Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (39 commits)
  [SCSI] qla2xxx: Update version number to 8.02.00-k5.
  [SCSI] qla2xxx: Correct display of ISP serial-number.
  [SCSI] qla2xxx: Correct residual-count handling discrepancies during UNDERRUN handling.
  [SCSI] qla2xxx: Make driver (mostly) legacy I/O port free.
  [SCSI] qla2xxx: Fix issue where final flash-segment updates were falling into the slow-path write handler.
  [SCSI] qla2xxx: Handle unaligned sector writes during NVRAM/VPD updates.
  [SCSI] qla2xxx: Defer explicit interrupt-polling processing to init-time scenarios.
  [SCSI] qla2xxx: Resync with latest HBA SSID specification -- 2.2u.
  [SCSI] sym53c8xx: Remove sym_xpt_async_sent_bdr
  [SCSI] sym53c8xx: Remove pci_dev pointer from sym_shcb
  [SCSI] sym53c8xx: Make interrupt handler capable of returning IRQ_NONE
  [SCSI] sym53c8xx: Get rid of IRQ_FMT and IRQ_PRM
  [SCSI] sym53c8xx: Use scmd_printk where appropriate
  [SCSI] sym53c8xx: Simplify DAC DMA handling
  [SCSI] sym53c8xx: Remove tag_ctrl module parameter
  [SCSI] sym53c8xx: Remove io_ws, mmio_ws and ram_ws elements
  [SCSI] sym53c8xx: Remove ->device_id
  [SCSI] sym53c8xx: Use pdev->revision
  [SCSI] sym53c8xx: PCI Error Recovery support
  [SCSI] sym53c8xx: Stop overriding scsi_done
  ...

43 files changed, 662 insertions, 1233 deletions

diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index 6141389dcdb2..2e6129f13d38 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -115,7 +115,6 @@ obj-$(CONFIG_SCSI_QLOGICPTI)	+= qlogicpti.o
 obj-$(CONFIG_BLK_DEV_IDESCSI)	+= ide-scsi.o
 obj-$(CONFIG_SCSI_MESH)		+= mesh.o
 obj-$(CONFIG_SCSI_MAC53C94)	+= mac53c94.o
-obj-$(CONFIG_SCSI_PLUTO)	+= pluto.o
 obj-$(CONFIG_SCSI_DECNCR)	+= NCR53C9x.o	dec_esp.o
 obj-$(CONFIG_BLK_DEV_3W_XXXX_RAID) += 3w-xxxx.o
 obj-$(CONFIG_SCSI_3W_9XXX)	+= 3w-9xxx.o
@@ -123,7 +122,6 @@ obj-$(CONFIG_SCSI_PPA)		+= ppa.o
 obj-$(CONFIG_SCSI_IMM)		+= imm.o
 obj-$(CONFIG_JAZZ_ESP)		+= esp_scsi.o	jazz_esp.o
 obj-$(CONFIG_SUN3X_ESP)		+= NCR53C9x.o	sun3x_esp.o
-obj-$(CONFIG_SCSI_FCAL)		+= fcal.o
 obj-$(CONFIG_SCSI_LASI700)	+= 53c700.o lasi700.o
 obj-$(CONFIG_SCSI_SNI_53C710)	+= 53c700.o sni_53c710.o
 obj-$(CONFIG_SCSI_NSP32)	+= nsp32.o
diff --git a/drivers/scsi/aic7xxx/aic7770.c b/drivers/scsi/aic7xxx/aic7770.c
index c4d17231c828..6d86a9be538f 100644
--- a/drivers/scsi/aic7xxx/aic7770.c
+++ b/drivers/scsi/aic7xxx/aic7770.c
@@ -60,8 +60,6 @@
 #define	ID_OLV_274xD	0x04907783 /* Olivetti OEM (Differential) */
 
 static int aic7770_chip_init(struct ahc_softc *ahc);
-static int aic7770_suspend(struct ahc_softc *ahc);
-static int aic7770_resume(struct ahc_softc *ahc);
 static int aha2840_load_seeprom(struct ahc_softc *ahc);
 static ahc_device_setup_t ahc_aic7770_VL_setup;
 static ahc_device_setup_t ahc_aic7770_EISA_setup;
@@ -155,8 +153,6 @@ aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry, u_int io)
 		return (error);
 
 	ahc->bus_chip_init = aic7770_chip_init;
-	ahc->bus_suspend = aic7770_suspend;
-	ahc->bus_resume = aic7770_resume;
 
 	error = ahc_reset(ahc, /*reinit*/FALSE);
 	if (error != 0)
@@ -272,18 +268,6 @@ aic7770_chip_init(struct ahc_softc *ahc)
 	return (ahc_chip_init(ahc));
 }
 
-static int
-aic7770_suspend(struct ahc_softc *ahc)
-{
-	return (ahc_suspend(ahc));
-}
-
-static int
-aic7770_resume(struct ahc_softc *ahc)
-{
-	return (ahc_resume(ahc));
-}
-
 /*
  * Read the 284x SEEPROM.
  */
diff --git a/drivers/scsi/aic7xxx/aic79xx.h b/drivers/scsi/aic7xxx/aic79xx.h
index 27adbb294ac1..ce638aa6005a 100644
--- a/drivers/scsi/aic7xxx/aic79xx.h
+++ b/drivers/scsi/aic7xxx/aic79xx.h
@@ -1003,8 +1003,15 @@ struct ahd_suspend_channel_state {
 	uint8_t	seqctl;
 };
 
+struct ahd_suspend_pci_state {
+	uint32_t  devconfig;
+	uint8_t   command;
+	uint8_t   csize_lattime;
+};
+
 struct ahd_suspend_state {
 	struct	ahd_suspend_channel_state channel[2];
+	struct  ahd_suspend_pci_state pci_state;
 	uint8_t	optionmode;
 	uint8_t	dscommand0;
 	uint8_t	dspcistatus;
@@ -1333,6 +1340,8 @@ struct	ahd_pci_identity *ahd_find_pci_device(ahd_dev_softc_t);
 int			  ahd_pci_config(struct ahd_softc *,
 					 struct ahd_pci_identity *);
 int	ahd_pci_test_register_access(struct ahd_softc *);
+void	ahd_pci_suspend(struct ahd_softc *);
+void	ahd_pci_resume(struct ahd_softc *);
 
 /************************** SCB and SCB queue management **********************/
 void		ahd_qinfifo_requeue_tail(struct ahd_softc *ahd,
@@ -1343,6 +1352,8 @@ struct ahd_softc	*ahd_alloc(void *platform_arg, char *name);
 int			 ahd_softc_init(struct ahd_softc *);
 void			 ahd_controller_info(struct ahd_softc *ahd, char *buf);
 int			 ahd_init(struct ahd_softc *ahd);
+int			 ahd_suspend(struct ahd_softc *ahd);
+void			 ahd_resume(struct ahd_softc *ahd);
 int			 ahd_default_config(struct ahd_softc *ahd);
 int			 ahd_parse_vpddata(struct ahd_softc *ahd,
 					   struct vpd_config *vpd);
diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
index 05f692bd0adc..a7dd8cdda472 100644
--- a/drivers/scsi/aic7xxx/aic79xx_core.c
+++ b/drivers/scsi/aic7xxx/aic79xx_core.c
@@ -7175,7 +7175,6 @@ ahd_pause_and_flushwork(struct ahd_softc *ahd)
 	ahd->flags &= ~AHD_ALL_INTERRUPTS;
 }
 
-#if 0
 int
 ahd_suspend(struct ahd_softc *ahd)
 {
@@ -7189,19 +7188,15 @@ ahd_suspend(struct ahd_softc *ahd)
 	ahd_shutdown(ahd);
 	return (0);
 }
-#endif  /*  0  */
 
-#if 0
-int
+void
 ahd_resume(struct ahd_softc *ahd)
 {
 
 	ahd_reset(ahd, /*reinit*/TRUE);
 	ahd_intr_enable(ahd, TRUE); 
 	ahd_restart(ahd);
-	return (0);
 }
-#endif  /*  0  */
 
 /************************** Busy Target Table *********************************/
 /*
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
index 42c0f14a262c..2d020405480c 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.c
@@ -315,8 +315,8 @@ uint32_t aic79xx_slowcrc;
  */
 static char *aic79xx = NULL;
 
-MODULE_AUTHOR("Maintainer: Justin T. Gibbs <gibbs@scsiguy.com>");
-MODULE_DESCRIPTION("Adaptec Aic790X U320 SCSI Host Bus Adapter driver");
+MODULE_AUTHOR("Maintainer: Hannes Reinecke <hare@suse.de>");
+MODULE_DESCRIPTION("Adaptec AIC790X U320 SCSI Host Bus Adapter driver");
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_VERSION(AIC79XX_DRIVER_VERSION);
 module_param(aic79xx, charp, 0444);
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
index c62ce41f2793..66f0259edb69 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
@@ -50,6 +50,8 @@ static int	ahd_linux_pci_reserve_io_regions(struct ahd_softc *ahd,
 static int	ahd_linux_pci_reserve_mem_region(struct ahd_softc *ahd,
 						 u_long *bus_addr,
 						 uint8_t __iomem **maddr);
+static int	ahd_linux_pci_dev_suspend(struct pci_dev *pdev, pm_message_t mesg);
+static int	ahd_linux_pci_dev_resume(struct pci_dev *pdev);
 static void	ahd_linux_pci_dev_remove(struct pci_dev *pdev);
 
 /* Define the macro locally since it's different for different class of chips.
@@ -86,10 +88,58 @@ MODULE_DEVICE_TABLE(pci, ahd_linux_pci_id_table);
 static struct pci_driver aic79xx_pci_driver = {
 	.name		= "aic79xx",
 	.probe		= ahd_linux_pci_dev_probe,
+#ifdef CONFIG_PM
+	.suspend	= ahd_linux_pci_dev_suspend,
+	.resume		= ahd_linux_pci_dev_resume,
+#endif
 	.remove		= ahd_linux_pci_dev_remove,
 	.id_table	= ahd_linux_pci_id_table
 };
 
+static int
+ahd_linux_pci_dev_suspend(struct pci_dev *pdev, pm_message_t mesg)
+{
+	struct ahd_softc *ahd = pci_get_drvdata(pdev);
+	int rc;
+
+	if ((rc = ahd_suspend(ahd)))
+		return rc;
+
+	ahd_pci_suspend(ahd);
+
+	pci_save_state(pdev);
+	pci_disable_device(pdev);
+
+	if (mesg.event == PM_EVENT_SUSPEND)
+		pci_set_power_state(pdev, PCI_D3hot);
+
+	return rc;
+}
+
+static int
+ahd_linux_pci_dev_resume(struct pci_dev *pdev)
+{
+	struct ahd_softc *ahd = pci_get_drvdata(pdev);
+	int rc;
+
+	pci_set_power_state(pdev, PCI_D0);
+	pci_restore_state(pdev);
+
+	if ((rc = pci_enable_device(pdev))) {
+		dev_printk(KERN_ERR, &pdev->dev,
+			   "failed to enable device after resume (%d)\n", rc);
+		return rc;
+	}
+
+	pci_set_master(pdev);
+
+	ahd_pci_resume(ahd);
+
+	ahd_resume(ahd);
+
+	return rc;
+}
+
 static void
 ahd_linux_pci_dev_remove(struct pci_dev *pdev)
 {
diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c b/drivers/scsi/aic7xxx/aic79xx_pci.c
index 0bada0028aa0..7a203a90601a 100644
--- a/drivers/scsi/aic7xxx/aic79xx_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_pci.c
@@ -389,6 +389,33 @@ ahd_pci_config(struct ahd_softc *ahd, struct ahd_pci_identity *entry)
 	return error;
 }
 
+void
+ahd_pci_suspend(struct ahd_softc *ahd)
+{
+	/*
+	 * Save chip register configuration data for chip resets
+	 * that occur during runtime and resume events.
+	 */
+	ahd->suspend_state.pci_state.devconfig =
+	    ahd_pci_read_config(ahd->dev_softc, DEVCONFIG, /*bytes*/4);
+	ahd->suspend_state.pci_state.command =
+	    ahd_pci_read_config(ahd->dev_softc, PCIR_COMMAND, /*bytes*/1);
+	ahd->suspend_state.pci_state.csize_lattime =
+	    ahd_pci_read_config(ahd->dev_softc, CSIZE_LATTIME, /*bytes*/1);
+
+}
+
+void
+ahd_pci_resume(struct ahd_softc *ahd)
+{
+	ahd_pci_write_config(ahd->dev_softc, DEVCONFIG,
+			     ahd->suspend_state.pci_state.devconfig, /*bytes*/4);
+	ahd_pci_write_config(ahd->dev_softc, PCIR_COMMAND,
+			     ahd->suspend_state.pci_state.command, /*bytes*/1);
+	ahd_pci_write_config(ahd->dev_softc, CSIZE_LATTIME,
+			     ahd->suspend_state.pci_state.csize_lattime, /*bytes*/1);
+}
+
 /*
  * Perform some simple tests that should catch situations where
  * our registers are invalidly mapped.
diff --git a/drivers/scsi/aic7xxx/aic7xxx.h b/drivers/scsi/aic7xxx/aic7xxx.h
index e1bd57b9f23d..3d4e42d90452 100644
--- a/drivers/scsi/aic7xxx/aic7xxx.h
+++ b/drivers/scsi/aic7xxx/aic7xxx.h
@@ -962,16 +962,6 @@ struct ahc_softc {
 	ahc_bus_chip_init_t	  bus_chip_init;
 
 	/*
-	 * Bus specific suspend routine.
-	 */
-	ahc_bus_suspend_t	  bus_suspend;
-
-	/*
-	 * Bus specific resume routine.
-	 */
-	ahc_bus_resume_t	  bus_resume;
-
-	/*
 	 * Target mode related state kept on a per enabled lun basis.
 	 * Targets that are not enabled will have null entries.
 	 * As an initiator, we keep one target entry for our initiator
@@ -1153,6 +1143,7 @@ struct ahc_pci_identity	*ahc_find_pci_device(ahc_dev_softc_t);
 int			 ahc_pci_config(struct ahc_softc *,
 					struct ahc_pci_identity *);
 int			 ahc_pci_test_register_access(struct ahc_softc *);
+void			 ahc_pci_resume(struct ahc_softc *ahc);
 
 /*************************** EISA/VL Front End ********************************/
 struct aic7770_identity *aic7770_find_device(uint32_t);
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index 7770befbf50c..390b0fc991c5 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -335,8 +335,8 @@ static uint32_t aic7xxx_periodic_otag;
  */
 static char *aic7xxx = NULL;
 
-MODULE_AUTHOR("Maintainer: Justin T. Gibbs <gibbs@scsiguy.com>");
-MODULE_DESCRIPTION("Adaptec Aic77XX/78XX SCSI Host Bus Adapter driver");
+MODULE_AUTHOR("Maintainer: Hannes Reinecke <hare@suse.de>");
+MODULE_DESCRIPTION("Adaptec AIC77XX/78XX SCSI Host Bus Adapter driver");
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_VERSION(AIC7XXX_DRIVER_VERSION);
 module_param(aic7xxx, charp, 0444);
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
index ea5687df732d..4488946cff2e 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
@@ -49,6 +49,8 @@ static int	ahc_linux_pci_reserve_io_region(struct ahc_softc *ahc,
 static int	ahc_linux_pci_reserve_mem_region(struct ahc_softc *ahc,
 						 u_long *bus_addr,
 						 uint8_t __iomem **maddr);
+static int	ahc_linux_pci_dev_suspend(struct pci_dev *pdev, pm_message_t mesg);
+static int	ahc_linux_pci_dev_resume(struct pci_dev *pdev);
 static void	ahc_linux_pci_dev_remove(struct pci_dev *pdev);
 
 /* Define the macro locally since it's different for different class of chips.
@@ -133,10 +135,54 @@ MODULE_DEVICE_TABLE(pci, ahc_linux_pci_id_table);
 static struct pci_driver aic7xxx_pci_driver = {
 	.name		= "aic7xxx",
 	.probe		= ahc_linux_pci_dev_probe,
+#ifdef CONFIG_PM
+	.suspend	= ahc_linux_pci_dev_suspend,
+	.resume		= ahc_linux_pci_dev_resume,
+#endif
 	.remove		= ahc_linux_pci_dev_remove,
 	.id_table	= ahc_linux_pci_id_table
 };
 
+static int
+ahc_linux_pci_dev_suspend(struct pci_dev *pdev, pm_message_t mesg)
+{
+	struct ahc_softc *ahc = pci_get_drvdata(pdev);
+	int rc;
+
+	if ((rc = ahc_suspend(ahc)))
+		return rc;
+
+	pci_save_state(pdev);
+	pci_disable_device(pdev);
+
+	if (mesg.event == PM_EVENT_SUSPEND)
+		pci_set_power_state(pdev, PCI_D3hot);
+
+	return rc;
+}
+
+static int
+ahc_linux_pci_dev_resume(struct pci_dev *pdev)
+{
+	struct ahc_softc *ahc = pci_get_drvdata(pdev);
+	int rc;
+
+	pci_set_power_state(pdev, PCI_D0);
+	pci_restore_state(pdev);
+
+	if ((rc = pci_enable_device(pdev))) {
+		dev_printk(KERN_ERR, &pdev->dev,
+			   "failed to enable device after resume (%d)\n", rc);
+		return rc;
+	}
+
+	pci_set_master(pdev);
+
+	ahc_pci_resume(ahc);
+
+	return (ahc_resume(ahc));
+}
+
 static void
 ahc_linux_pci_dev_remove(struct pci_dev *pdev)
 {
diff --git a/drivers/scsi/aic7xxx/aic7xxx_pci.c b/drivers/scsi/aic7xxx/aic7xxx_pci.c
index 09c8172c9e5e..ae35937b8055 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_pci.c
@@ -633,8 +633,6 @@ static void    write_brdctl(struct ahc_softc *ahc, uint8_t value);
 static uint8_t read_brdctl(struct ahc_softc *ahc);
 static void ahc_pci_intr(struct ahc_softc *ahc);
 static int  ahc_pci_chip_init(struct ahc_softc *ahc);
-static int  ahc_pci_suspend(struct ahc_softc *ahc);
-static int  ahc_pci_resume(struct ahc_softc *ahc);
 
 static int
 ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
@@ -791,8 +789,6 @@ ahc_pci_config(struct ahc_softc *ahc, struct ahc_pci_identity *entry)
 
 	ahc->bus_intr = ahc_pci_intr;
 	ahc->bus_chip_init = ahc_pci_chip_init;
-	ahc->bus_suspend = ahc_pci_suspend;
-	ahc->bus_resume = ahc_pci_resume;
 
 	/* Remeber how the card was setup in case there is no SEEPROM */
 	if ((ahc_inb(ahc, HCNTRL) & POWRDN) == 0) {
@@ -2024,18 +2020,9 @@ ahc_pci_chip_init(struct ahc_softc *ahc)
 	return (ahc_chip_init(ahc));
 }
 
-static int
-ahc_pci_suspend(struct ahc_softc *ahc)
-{
-	return (ahc_suspend(ahc));
-}
-
-static int
+void
 ahc_pci_resume(struct ahc_softc *ahc)
 {
-
-	pci_set_power_state(ahc->dev_softc, AHC_POWER_STATE_D0);
-
 	/*
 	 * We assume that the OS has restored our register
 	 * mappings, etc.  Just update the config space registers
@@ -2063,7 +2050,6 @@ ahc_pci_resume(struct ahc_softc *ahc)
 				      &sxfrctl1);
 		ahc_release_seeprom(&sd);
 	}
-	return (ahc_resume(ahc));
 }
 
 static int
diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm_macro_scan.l b/drivers/scsi/aic7xxx/aicasm/aicasm_macro_scan.l
index f06e7035cb35..c0457b8c3b77 100644
--- a/drivers/scsi/aic7xxx/aicasm/aicasm_macro_scan.l
+++ b/drivers/scsi/aic7xxx/aicasm/aicasm_macro_scan.l
@@ -66,6 +66,7 @@ static char string_buf[MAX_STR_CONST];
 static char *string_buf_ptr;
 static int  parren_count;
 static char buf[255];
+int  mmlineno;
 %}
 
 WORD		[A-Za-z_][-A-Za-z_0-9]*
@@ -76,7 +77,7 @@ MCARG		[^(), \t]+
 
 %%
 \n			{
-				++yylineno;
+				++mmlineno;
 			}
 \r			;
 <ARGLIST>{SPACE}	;
diff --git a/drivers/scsi/aic7xxx_old.c b/drivers/scsi/aic7xxx_old.c
index 4025608d6964..8f8db5f0aef7 100644
--- a/drivers/scsi/aic7xxx_old.c
+++ b/drivers/scsi/aic7xxx_old.c
@@ -8417,7 +8417,7 @@ aic7xxx_alloc(struct scsi_host_template *sht, struct aic7xxx_host *temp)
     p->host = host;
 
     p->scb_data = kzalloc(sizeof(scb_data_type), GFP_ATOMIC);
-    if (!p->scb_data)
+    if (p->scb_data)
     {
       scbq_init (&p->scb_data->free_scbs);
     }
diff --git a/drivers/scsi/fcal.c b/drivers/scsi/fcal.c
deleted file mode 100644
index c4e16c0775de..000000000000
--- a/drivers/scsi/fcal.c
+++ /dev/null
@@ -1,317 +0,0 @@
-/* fcal.c: Fibre Channel Arbitrated Loop SCSI host adapter driver.
- *
- * Copyright (C) 1998,1999 Jakub Jelinek (jj@ultra.linux.cz)
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/types.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/blkdev.h>
-#include <linux/proc_fs.h>
-#include <linux/stat.h>
-#include <linux/init.h>
-#ifdef CONFIG_KMOD
-#include <linux/kmod.h>
-#endif
-
-#include <asm/irq.h>
-
-#include "scsi.h"
-#include <scsi/scsi_host.h>
-#include "../fc4/fcp_impl.h"
-#include "fcal.h"
-
-#include <linux/module.h>
-
-/* #define FCAL_DEBUG */
-
-#define fcal_printk printk ("FCAL %s: ", fc->name); printk
-
-#ifdef FCAL_DEBUG
-#define FCALD(x)  fcal_printk x;
-#define FCALND(x) printk ("FCAL: "); printk x;
-#else
-#define FCALD(x)
-#define FCALND(x)
-#endif
-
-static unsigned char alpa2target[] = {
-0x7e, 0x7d, 0x7c, 0xff, 0x7b, 0xff, 0xff, 0xff, 0x7a, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x79,
-0x78, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x77, 0x76, 0xff, 0xff, 0x75, 0xff, 0x74, 0x73, 0x72,
-0xff, 0xff, 0xff, 0x71, 0xff, 0x70, 0x6f, 0x6e, 0xff, 0x6d, 0x6c, 0x6b, 0x6a, 0x69, 0x68, 0xff,
-0xff, 0x67, 0x66, 0x65, 0x64, 0x63, 0x62, 0xff, 0xff, 0x61, 0x60, 0xff, 0x5f, 0xff, 0xff, 0xff,
-0xff, 0xff, 0xff, 0x5e, 0xff, 0x5d, 0x5c, 0x5b, 0xff, 0x5a, 0x59, 0x58, 0x57, 0x56, 0x55, 0xff,
-0xff, 0x54, 0x53, 0x52, 0x51, 0x50, 0x4f, 0xff, 0xff, 0x4e, 0x4d, 0xff, 0x4c, 0xff, 0xff, 0xff,
-0xff, 0xff, 0xff, 0x4b, 0xff, 0x4a, 0x49, 0x48, 0xff, 0x47, 0x46, 0x45, 0x44, 0x43, 0x42, 0xff,
-0xff, 0x41, 0x40, 0x3f, 0x3e, 0x3d, 0x3c, 0xff, 0xff, 0x3b, 0x3a, 0xff, 0x39, 0xff, 0xff, 0xff,
-0x38, 0x37, 0x36, 0xff, 0x35, 0xff, 0xff, 0xff, 0x34, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x33,
-0x32, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x31, 0x30, 0xff, 0xff, 0x2f, 0xff, 0x2e, 0x2d, 0x2c,
-0xff, 0xff, 0xff, 0x2b, 0xff, 0x2a, 0x29, 0x28, 0xff, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0xff,
-0xff, 0x21, 0x20, 0x1f, 0x1e, 0x1d, 0x1c, 0xff, 0xff, 0x1b, 0x1a, 0xff, 0x19, 0xff, 0xff, 0xff,
-0xff, 0xff, 0xff, 0x18, 0xff, 0x17, 0x16, 0x15, 0xff, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0xff,
-0xff, 0x0e, 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0xff, 0xff, 0x08, 0x07, 0xff, 0x06, 0xff, 0xff, 0xff,
-0x05, 0x04, 0x03, 0xff, 0x02, 0xff, 0xff, 0xff, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
-};
-
-static unsigned char target2alpa[] = {
-0xef, 0xe8, 0xe4, 0xe2, 0xe1, 0xe0, 0xdc, 0xda, 0xd9, 0xd6, 0xd5, 0xd4, 0xd3, 0xd2, 0xd1, 0xce,
-0xcd, 0xcc, 0xcb, 0xca, 0xc9, 0xc7, 0xc6, 0xc5, 0xc3, 0xbc, 0xba, 0xb9, 0xb6, 0xb5, 0xb4, 0xb3,
-0xb2, 0xb1, 0xae, 0xad, 0xac, 0xab, 0xaa, 0xa9, 0xa7, 0xa6, 0xa5, 0xa3, 0x9f, 0x9e, 0x9d, 0x9b,
-0x98, 0x97, 0x90, 0x8f, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7c, 0x7a, 0x79, 0x76, 0x75, 0x74, 0x73,
-0x72, 0x71, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5c, 0x5a, 0x59, 0x56,
-0x55, 0x54, 0x53, 0x52, 0x51, 0x4e, 0x4d, 0x4c, 0x4b, 0x4a, 0x49, 0x47, 0x46, 0x45, 0x43, 0x3c,
-0x3a, 0x39, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x2e, 0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x27, 0x26,
-0x25, 0x23, 0x1f, 0x1e, 0x1d, 0x1b, 0x18, 0x17, 0x10, 0x0f, 0x08, 0x04, 0x02, 0x01, 0x00
-};
-
-static int fcal_encode_addr(Scsi_Cmnd *SCpnt, u16 *addr, fc_channel *fc, fcp_cmnd *fcmd);
-
-int fcal_slave_configure(struct scsi_device *device)
-{
-	int depth_to_use;
-	
-	if (device->tagged_supported)
-		depth_to_use = /* 254 */ 8;
-	else
-		depth_to_use = 2;
-
-	scsi_adjust_queue_depth(device,
-				(device->tagged_supported ?
-				 MSG_SIMPLE_TAG : 0),
-				depth_to_use);
-
-	return 0;
-}
-
-/* Detect all FC Arbitrated Loops attached to the machine.
-   fc4 module has done all the work for us... */
-int __init fcal_detect(struct scsi_host_template *tpnt)
-{
-	int nfcals = 0;
-	fc_channel *fc;
-	int fcalcount;
-	int i;
-
-	tpnt->proc_name = "fcal";
-	fcalcount = 0;
-	for_each_online_fc_channel(fc)
-		if (fc->posmap)
-			fcalcount++;
-	FCALND(("%d channels online\n", fcalcount))
-	if (!fcalcount) {
-#if defined(MODULE) && defined(CONFIG_FC4_SOCAL_MODULE) && defined(CONFIG_KMOD)
-		request_module("socal");
-		
-		for_each_online_fc_channel(fc)
-			if (fc->posmap)
-				fcalcount++;
-		if (!fcalcount)
-#endif
-			return 0;
-	}
-	for_each_online_fc_channel(fc) {
-		struct Scsi_Host *host;
-		long *ages;
-		struct fcal *fcal;
-		
-		if (!fc->posmap) continue;
-		
-		/* Strange, this is already registered to some other SCSI host, then it cannot be fcal */
-		if (fc->scsi_name[0]) continue;
-		memcpy (fc->scsi_name, "FCAL", 4);
-		
-		fc->can_queue = FCAL_CAN_QUEUE;
-		fc->rsp_size = 64;
-		fc->encode_addr = fcal_encode_addr;
-		
-		ages = kmalloc (128 * sizeof(long), GFP_KERNEL);
-		if (!ages) continue;
-				
-		host = scsi_register (tpnt, sizeof (struct fcal));
-		if (!host) 
-		{
-			kfree(ages);
-			continue;
-		}
-				
-		if (!try_module_get(fc->module)) {
-			kfree(ages);
-			scsi_unregister(host);
-			continue;
-		}
-	
-		nfcals++;
-				
-		fcal = (struct fcal *)host->hostdata;
-		
-		fc->fcp_register(fc, TYPE_SCSI_FCP, 0);
-
-		for (i = 0; i < fc->posmap->len; i++) {
-			int status, target, alpa;
-
-			alpa = fc->posmap->list[i];			
-			FCALD(("Sending PLOGI to %02x\n", alpa))
-			target = alpa2target[alpa];
-			status = fc_do_plogi(fc, alpa, fcal->node_wwn + target, 
-					     fcal->nport_wwn + target);
-			FCALD(("PLOGI returned with status %d\n", status))
-			if (status != FC_STATUS_OK)
-				continue;
-			FCALD(("Sending PRLI to %02x\n", alpa))
-			status = fc_do_prli(fc, alpa);
-			FCALD(("PRLI returned with status %d\n", status))
-			if (status == FC_STATUS_OK)
-				fcal->map[target] = 1;
-		}
-		
-		host->max_id = 127;
-		host->irq = fc->irq;
-#ifdef __sparc_v9__
-		host->unchecked_isa_dma = 1;
-#endif
-
-		fc->channels = 1;
-		fc->targets = 127;
-		fc->ages = ages;
-		memset (ages, 0, 128 * sizeof(long));
-				
-		fcal->fc = fc;
-		
-		FCALD(("Found FCAL\n"))
-	}
-	if (nfcals)
-#ifdef __sparc__
-		printk ("FCAL: Total of %d Sun Enterprise Network Array (A5000 or EX500) channels found\n", nfcals);
-#else
-		printk ("FCAL: Total of %d Fibre Channel Arbitrated Loops found\n", nfcals);
-#endif
-	return nfcals;
-}
-
-int fcal_release(struct Scsi_Host *host)
-{
-	struct fcal *fcal = (struct fcal *)host->hostdata;
-	fc_channel *fc = fcal->fc;
-
-	module_put(fc->module);
-	
-	fc->fcp_register(fc, TYPE_SCSI_FCP, 1);
-	FCALND((" releasing fcal.\n"));
-	kfree (fc->ages);
-	FCALND(("released fcal!\n"));
-	return 0;
-}
-
-#undef SPRINTF
-#define SPRINTF(args...) { if (pos < (buffer + length)) pos += sprintf (pos, ## args); }
-
-int fcal_proc_info (struct Scsi_Host *host, char *buffer, char **start, off_t offset, int length, int inout)
-{
-	struct fcal *fcal;
-	fc_channel *fc;
-	char *pos = buffer;
-	int i, j;
-
-	if (inout) return length;
-    
-	fcal = (struct fcal *)host->hostdata;
-	fc = fcal->fc;
-
-#ifdef __sparc__
-	SPRINTF ("Sun Enterprise Network Array (A5000 or E?500) on %s PROM node %x\n", fc->name, fc->dev->prom_node);
-#else
-	SPRINTF ("Fibre Channel Arbitrated Loop on %s\n", fc->name);
-#endif
-	SPRINTF ("Initiator AL-PA: %02x\n", fc->sid);
-
-	SPRINTF ("\nAttached devices:\n");
-	
-	for (i = 0; i < fc->posmap->len; i++) {
-		unsigned char alpa = fc->posmap->list[i];
-		unsigned char target;
-		u32 *u1, *u2;
-		
-		target = alpa2target[alpa];
-		u1 = (u32 *)&fcal->nport_wwn[target];
-		u2 = (u32 *)&fcal->node_wwn[target];
-		if (!u1[0] && !u1[1]) {
-			SPRINTF ("  [AL-PA: %02x] Not responded to PLOGI\n", alpa);
-		} else if (!fcal->map[target]) {
-			SPRINTF ("  [AL-PA: %02x, Port WWN: %08x%08x, Node WWN: %08x%08x] Not responded to PRLI\n",
-				 alpa, u1[0], u1[1], u2[0], u2[1]);
-		} else {
-			struct scsi_device *scd;
-			shost_for_each_device(scd, host)
-				if (scd->id == target) {
-					SPRINTF ("  [AL-PA: %02x, Id: %02d, Port WWN: %08x%08x, Node WWN: %08x%08x]  ",
-						alpa, target, u1[0], u1[1], u2[0], u2[1]);
-					SPRINTF ("%s ", scsi_device_type(scd->type));
-
-					for (j = 0; (j < 8) && (scd->vendor[j] >= 0x20); j++)
-						SPRINTF ("%c", scd->vendor[j]);
-					SPRINTF (" ");
-
-					for (j = 0; (j < 16) && (scd->model[j] >= 0x20); j++)
-						SPRINTF ("%c", scd->model[j]);
-		
-					SPRINTF ("\n");
-				}
-		}
-	}
-	SPRINTF ("\n");
-
-	*start = buffer + offset;
-
-	if ((pos - buffer) < offset)
-		return 0;
-	else if (pos - buffer - offset < length)
-		return pos - buffer - offset;
-	else
-		return length;
-}
-
-/* 
-   For FC-AL, we use a simple addressing: we have just one channel 0,
-   and all AL-PAs are mapped to targets 0..0x7e
- */
-static int fcal_encode_addr(Scsi_Cmnd *SCpnt, u16 *addr, fc_channel *fc, fcp_cmnd *fcmd)
-{
-	struct fcal *f;
-	
-	/* We don't support LUNs yet - I'm not sure if LUN should be in SCSI fcp_cdb, or in second byte of addr[0] */
-	if (SCpnt->cmnd[1] & 0xe0) return -EINVAL;
-	/* FC-PLDA tells us... */
-	memset(addr, 0, 8);
-	f = (struct fcal *)SCpnt->device->host->hostdata;
-	if (!f->map[SCpnt->device->id])
-		return -EINVAL;
-	/* Now, determine DID: It will be Native Identifier, so we zero upper
-	   2 bytes of the 3 byte DID, lowest byte will be AL-PA */
-	fcmd->did = target2alpa[SCpnt->device->id];
-	FCALD(("trying DID %06x\n", fcmd->did))
-	return 0;
-}
-
-static struct scsi_host_template driver_template = {
-	.name			= "Fibre Channel Arbitrated Loop",
-	.detect			= fcal_detect,
-	.release		= fcal_release,	
-	.proc_info		= fcal_proc_info,
-	.queuecommand		= fcp_scsi_queuecommand,
-	.slave_configure	= fcal_slave_configure,
-	.can_queue		= FCAL_CAN_QUEUE,
-	.this_id		= -1,
-	.sg_tablesize		= 1,
-	.cmd_per_lun		= 1,
-	.use_clustering		= ENABLE_CLUSTERING,
-	.eh_abort_handler	= fcp_scsi_abort,
-	.eh_device_reset_handler = fcp_scsi_dev_reset,
-	.eh_host_reset_handler	= fcp_scsi_host_reset,
-};
-#include "scsi_module.c"
-
-MODULE_LICENSE("GPL");
-
diff --git a/drivers/scsi/fcal.h b/drivers/scsi/fcal.h
deleted file mode 100644
index 7ff2c3494f9e..000000000000
--- a/drivers/scsi/fcal.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* fcal.h: Generic Fibre Channel Arbitrated Loop SCSI host adapter driver definitions.
- *
- * Copyright (C) 1998,1999 Jakub Jelinek (jj@ultra.linux.cz)
- */
-
-#ifndef _FCAL_H
-#define _FCAL_H
-
-#include "../fc4/fcp_impl.h"
-
-struct fcal {
-	/* fc must be first */
-	fc_channel		*fc;
-	unsigned char		map[128];
-	fc_wwn			nport_wwn[128];
-	fc_wwn			node_wwn[128];
-};
-
-/* Arbitrary constant. Cannot be too large, as fc4 layer has limitations
-   for a particular channel */
-#define FCAL_CAN_QUEUE		512
-
-int fcal_detect(struct scsi_host_template *);
-int fcal_release(struct Scsi_Host *);
-int fcal_slave_configure(struct scsi_device *);
-
-#endif /* !(_FCAL_H) */
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index 5ab3ce762485..b253b8c718d3 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -4734,7 +4734,7 @@ static struct scsi_host_template gdth_template = {
 };
 
 #ifdef CONFIG_ISA
-static int gdth_isa_probe_one(ulong32 isa_bios)
+static int __init gdth_isa_probe_one(ulong32 isa_bios)
 {
 	struct Scsi_Host *shp;
 	gdth_ha_str *ha;
@@ -4862,7 +4862,7 @@ static int gdth_isa_probe_one(ulong32 isa_bios)
 #endif /* CONFIG_ISA */
 
 #ifdef CONFIG_EISA
-static int gdth_eisa_probe_one(ushort eisa_slot)
+static int __init gdth_eisa_probe_one(ushort eisa_slot)
 {
 	struct Scsi_Host *shp;
 	gdth_ha_str *ha;
@@ -4991,7 +4991,7 @@ static int gdth_eisa_probe_one(ushort eisa_slot)
 #endif /* CONFIG_EISA */
 
 #ifdef CONFIG_PCI
-static int gdth_pci_probe_one(gdth_pci_str *pcistr, int ctr)
+static int __init gdth_pci_probe_one(gdth_pci_str *pcistr, int ctr)
 {
 	struct Scsi_Host *shp;
 	gdth_ha_str *ha;
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 112ab6abe62b..24271a871b8c 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -345,6 +345,12 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
 	shost->active_mode = sht->supported_mode;
 	shost->use_sg_chaining = sht->use_sg_chaining;
 
+	if (sht->supported_mode == MODE_UNKNOWN)
+		/* means we didn't set it ... default to INITIATOR */
+		shost->active_mode = MODE_INITIATOR;
+	else
+		shost->active_mode = sht->supported_mode;
+
 	if (sht->max_host_blocked)
 		shost->max_host_blocked = sht->max_host_blocked;
 	else
diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c
index 8515054cdf70..0844331abb87 100644
--- a/drivers/scsi/hptiop.c
+++ b/drivers/scsi/hptiop.c
@@ -375,8 +375,9 @@ static void hptiop_host_request_callback(struct hptiop_hba *hba, u32 _tag)
 		scp->result = SAM_STAT_CHECK_CONDITION;
 		memset(&scp->sense_buffer,
 				0, sizeof(scp->sense_buffer));
-		memcpy(&scp->sense_buffer,
-			&req->sg_list, le32_to_cpu(req->dataxfer_length));
+		memcpy(&scp->sense_buffer, &req->sg_list,
+				min(sizeof(scp->sense_buffer),
+					le32_to_cpu(req->dataxfer_length)));
 		break;
 
 	default:
diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c
index 22d40fd5845b..4c4465d39a1d 100644
--- a/drivers/scsi/initio.c
+++ b/drivers/scsi/initio.c
@@ -665,7 +665,7 @@ static void initio_init(struct initio_host * host, u8 *bios_addr)
 		host->max_tags[i] = 0xFF;
 	}			/* for                          */
 	printk("i91u: PCI Base=0x%04X, IRQ=%d, BIOS=0x%04X0, SCSI ID=%d\n",
-	       host->addr, host->irq,
+	       host->addr, host->pci_dev->irq,
 	       host->bios_addr, host->scsi_id);
 	/* Reset SCSI Bus */
 	if (host->config & HCC_SCSI_RESET) {
@@ -2891,6 +2891,8 @@ static int initio_probe_one(struct pci_dev *pdev,
 		goto out_release_region;
 	}
 
+	host->pci_dev = pdev;
+
 	host->num_scbs = num_scb;
 	host->scb = scb;
 	host->next_pending = scb;
@@ -2905,6 +2907,7 @@ static int initio_probe_one(struct pci_dev *pdev,
 	host->scb_end = tmp;
 	host->first_avail = scb;
 	host->last_avail = prev;
+	spin_lock_init(&host->avail_lock);
 
 	initio_init(host, phys_to_virt(bios_seg << 4));
 
@@ -2928,7 +2931,6 @@ static int initio_probe_one(struct pci_dev *pdev,
 	}
 
 	pci_set_drvdata(pdev, shost);
-	host->pci_dev = pdev;
 
 	error = scsi_add_host(shost, &pdev->dev);
 	if (error)
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 149fdd25f8e8..d6a98bc970ff 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -901,7 +901,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
 		}
 	}
 
-	vport->disc_trc = kmzlloc(
+	vport->disc_trc = kzalloc(
 		(sizeof(struct lpfc_debugfs_trc) * lpfc_debugfs_max_disc_trc),
 		GFP_KERNEL);
 
diff --git a/drivers/scsi/pluto.c b/drivers/scsi/pluto.c
deleted file mode 100644
index 0363c1cd68c1..000000000000
--- a/drivers/scsi/pluto.c
+++ /dev/null
@@ -1,349 +0,0 @@
-/* pluto.c: SparcSTORAGE Array SCSI host adapter driver.
- *
- * Copyright (C) 1997,1998,1999 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- *
- */
-
-#include <linux/completion.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/types.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/blkdev.h>
-#include <linux/proc_fs.h>
-#include <linux/stat.h>
-#include <linux/init.h>
-#ifdef CONFIG_KMOD
-#include <linux/kmod.h>
-#endif
-
-#include <asm/irq.h>
-
-#include "scsi.h"
-#include <scsi/scsi_host.h>
-#include "../fc4/fcp_impl.h"
-#include "pluto.h"
-
-#include <linux/module.h>
-
-#define RQ_SCSI_BUSY		0xffff
-#define RQ_SCSI_DONE		0xfffe
-
-/* #define PLUTO_DEBUG */
-
-#define pluto_printk printk ("PLUTO %s: ", fc->name); printk
-
-#ifdef PLUTO_DEBUG
-#define PLD(x)  pluto_printk x;
-#define PLND(x) printk ("PLUTO: "); printk x;
-#else
-#define PLD(x)
-#define PLND(x)
-#endif
-
-static struct ctrl_inquiry {
-	struct Scsi_Host host;
-	struct pluto pluto;
-	Scsi_Cmnd cmd;
-	char inquiry[256];
-	fc_channel *fc;
-} *fcs __initdata;
-static int fcscount __initdata = 0;
-static atomic_t fcss __initdata = ATOMIC_INIT(0);
-static DECLARE_COMPLETION(fc_detect_complete);
-
-static int pluto_encode_addr(Scsi_Cmnd *SCpnt, u16 *addr, fc_channel *fc, fcp_cmnd *fcmd);
-
-static void __init pluto_detect_done(Scsi_Cmnd *SCpnt)
-{
-	/* Do nothing */
-}
-
-static void __init pluto_detect_scsi_done(Scsi_Cmnd *SCpnt)
-{
-	PLND(("Detect done %08lx\n", (long)SCpnt))
-	if (atomic_dec_and_test (&fcss))
-		complete(&fc_detect_complete);
-}
-
-int pluto_slave_configure(struct scsi_device *device)
-{
-	int depth_to_use;
-
-	if (device->tagged_supported)
-		depth_to_use = /* 254 */ 8;
-	else
-		depth_to_use = 2;
-
-	scsi_adjust_queue_depth(device,
-				(device->tagged_supported ?
-				 MSG_SIMPLE_TAG : 0),
-				depth_to_use);
-
-	return 0;
-}
-
-/* Detect all SSAs attached to the machine.
-   To be fast, do it on all online FC channels at the same time. */
-int __init pluto_detect(struct scsi_host_template *tpnt)
-{
-	int i, retry, nplutos;
-	fc_channel *fc;
-	struct scsi_device dev;
-
-	tpnt->proc_name = "pluto";
-	fcscount = 0;
-	for_each_online_fc_channel(fc) {
-		if (!fc->posmap)
-			fcscount++;
-	}
-	PLND(("%d channels online\n", fcscount))
-	if (!fcscount) {
-#if defined(MODULE) && defined(CONFIG_FC4_SOC_MODULE) && defined(CONFIG_KMOD)
-		request_module("soc");
-		
-		for_each_online_fc_channel(fc) {
-			if (!fc->posmap)
-				fcscount++;
-		}
-		if (!fcscount)
-#endif
-			return 0;
-	}
-	fcs = kcalloc(fcscount, sizeof (struct ctrl_inquiry), GFP_DMA);
-	if (!fcs) {
-		printk ("PLUTO: Not enough memory to probe\n");
-		return 0;
-	}
-	
-	memset (&dev, 0, sizeof(dev));
-	atomic_set (&fcss, fcscount);
-	
-	i = 0;
-	for_each_online_fc_channel(fc) {
-		Scsi_Cmnd *SCpnt;
-		struct Scsi_Host *host;
-		struct pluto *pluto;
-
-		if (i == fcscount) break;
-		if (fc->posmap) continue;
-		
-		PLD(("trying to find SSA\n"))
-
-		/* If this is already registered to some other SCSI host, then it cannot be pluto */
-		if (fc->scsi_name[0]) continue;
-		memcpy (fc->scsi_name, "SSA", 4);
-		
-		fcs[i].fc = fc;
-		
-		fc->can_queue = PLUTO_CAN_QUEUE;
-		fc->rsp_size = 64;
-		fc->encode_addr = pluto_encode_addr;
-		
-		fc->fcp_register(fc, TYPE_SCSI_FCP, 0);
-	
-		SCpnt = &(fcs[i].cmd);
-		host = &(fcs[i].host);
-		pluto = (struct pluto *)host->hostdata;
-		
-		pluto->fc = fc;
-	
-		SCpnt->cmnd[0] = INQUIRY;
-		SCpnt->cmnd[4] = 255;
-		
-		/* FC layer requires this, so that SCpnt->device->tagged_supported is initially 0 */
-		SCpnt->device = &dev;
-		dev.host = host;
-		
-		SCpnt->cmd_len = COMMAND_SIZE(INQUIRY);
-	
-		SCpnt->request->cmd_flags &= ~REQ_STARTED;
-		
-		SCpnt->request_bufflen = 256;
-		SCpnt->request_buffer = fcs[i].inquiry;
-		PLD(("set up %d %08lx\n", i, (long)SCpnt))
-		i++;
-	}
-	
-	for (retry = 0; retry < 5; retry++) {
-		for (i = 0; i < fcscount; i++) {
-			if (!fcs[i].fc) break;
-			if (!(fcs[i].cmd.request->cmd_flags & REQ_STARTED)) {
-				fcs[i].cmd.request->cmd_flags |= REQ_STARTED;
-				disable_irq(fcs[i].fc->irq);
-				PLND(("queuecommand %d %d\n", retry, i))
-				fcp_scsi_queuecommand (&(fcs[i].cmd), 
-					pluto_detect_scsi_done);
-				enable_irq(fcs[i].fc->irq);
-			}
-		}
-	    
-		wait_for_completion_timeout(&fc_detect_complete, 10 * HZ);
-		PLND(("Woken up\n"))
-		if (!atomic_read(&fcss))
-			break; /* All fc channels have answered us */
-	}
-
-	PLND(("Finished search\n"))
-	for (i = 0, nplutos = 0; i < fcscount; i++) {
-		Scsi_Cmnd *SCpnt;
-		
-		if (!(fc = fcs[i].fc)) break;
-	
-		SCpnt = &(fcs[i].cmd);
-		
-		/* Let FC mid-level free allocated resources */
-		pluto_detect_scsi_done(SCpnt);
-		
-		if (!SCpnt->result) {
-			struct pluto_inquiry *inq;
-			struct pluto *pluto;
-			struct Scsi_Host *host;
-			
-			inq = (struct pluto_inquiry *)fcs[i].inquiry;
-
-			if ((inq->dtype & 0x1f) == TYPE_PROCESSOR &&
-			    !strncmp (inq->vendor_id, "SUN", 3) &&
-			    !strncmp (inq->product_id, "SSA", 3)) {
-				char *p;
-				long *ages;
-				
-				ages = kcalloc((inq->channels + 1) * inq->targets, sizeof(long), GFP_KERNEL);
-				if (!ages) continue;
-				
-				host = scsi_register (tpnt, sizeof (struct pluto));
-				if(!host)
-				{
-					kfree(ages);
-					continue;
-				}
-				
-				if (!try_module_get(fc->module)) {
-					kfree(ages);
-					scsi_unregister(host);
-					continue;
-				}
-
-				nplutos++;
-				
-				pluto = (struct pluto *)host->hostdata;
-				
-				host->max_id = inq->targets;
-				host->max_channel = inq->channels;
-				host->irq = fc->irq;
-
-				fc->channels = inq->channels + 1;
-				fc->targets = inq->targets;
-				fc->ages = ages;
-				
-				pluto->fc = fc;
-				memcpy (pluto->rev_str, inq->revision, 4);
-				pluto->rev_str[4] = 0;
-				p = strchr (pluto->rev_str, ' ');
-				if (p) *p = 0;
-				memcpy (pluto->fw_rev_str, inq->fw_revision, 4);
-				pluto->fw_rev_str[4] = 0;
-				p = strchr (pluto->fw_rev_str, ' ');
-				if (p) *p = 0;
-				memcpy (pluto->serial_str, inq->serial, 12);
-				pluto->serial_str[12] = 0;
-				p = strchr (pluto->serial_str, ' ');
-				if (p) *p = 0;
-				
-				PLD(("Found SSA rev %s fw rev %s serial %s %dx%d\n", pluto->rev_str, pluto->fw_rev_str, pluto->serial_str, host->max_channel, host->max_id))
-			} else
-				fc->fcp_register(fc, TYPE_SCSI_FCP, 1);
-		} else
-			fc->fcp_register(fc, TYPE_SCSI_FCP, 1);
-	}
-	kfree(fcs);
-	if (nplutos)
-		printk ("PLUTO: Total of %d SparcSTORAGE Arrays found\n", nplutos);
-	return nplutos;
-}
-
-int pluto_release(struct Scsi_Host *host)
-{
-	struct pluto *pluto = (struct pluto *)host->hostdata;
-	fc_channel *fc = pluto->fc;
-
-	module_put(fc->module);
-	
-	fc->fcp_register(fc, TYPE_SCSI_FCP, 1);
-	PLND((" releasing pluto.\n"));
-	kfree (fc->ages);
-	PLND(("released pluto!\n"));
-	return 0;
-}
-
-const char *pluto_info(struct Scsi_Host *host)
-{
-	static char buf[128], *p;
-	struct pluto *pluto = (struct pluto *) host->hostdata;
-
-	sprintf(buf, "SUN SparcSTORAGE Array %s fw %s serial %s %dx%d on %s",
-		pluto->rev_str, pluto->fw_rev_str, pluto->serial_str,
-		host->max_channel, host->max_id, pluto->fc->name);
-#ifdef __sparc__
-	p = strchr(buf, 0);
-	sprintf(p, " PROM node %x", pluto->fc->dev->prom_node);
-#endif	
-	return buf;
-}
-
-/* SSA uses this FC4S addressing:
-   switch (addr[0])
-   {
-   case 0: CONTROLLER - All of addr[1]..addr[3] has to be 0
-   case 1: SINGLE DISK - addr[1] channel, addr[2] id, addr[3] 0
-   case 2: DISK GROUP - ???
-   }
-   
-   So that SCSI mid-layer can access to these, we reserve
-   channel 0 id 0 lun 0 for CONTROLLER
-   and channels 1 .. max_channel are normal single disks.
- */
-static int pluto_encode_addr(Scsi_Cmnd *SCpnt, u16 *addr, fc_channel *fc, fcp_cmnd *fcmd)
-{
-	PLND(("encode addr %d %d %d\n", SCpnt->device->channel, SCpnt->device->id, SCpnt->cmnd[1] & 0xe0))
-	/* We don't support LUNs - neither does SSA :) */
-	if (SCpnt->cmnd[1] & 0xe0)
-		return -EINVAL;
-	if (!SCpnt->device->channel) {
-		if (SCpnt->device->id)
-			return -EINVAL;
-		memset (addr, 0, 4 * sizeof(u16));
-	} else {
-		addr[0] = 1;
-		addr[1] = SCpnt->device->channel - 1;
-		addr[2] = SCpnt->device->id;
-		addr[3] = 0;
-	}
-	/* We're Point-to-Point, so target it to the default DID */
-	fcmd->did = fc->did;
-	PLND(("trying %04x%04x%04x%04x\n", addr[0], addr[1], addr[2], addr[3]))
-	return 0;
-}
-
-static struct scsi_host_template driver_template = {
-	.name			= "Sparc Storage Array 100/200",
-	.detect			= pluto_detect,
-	.release		= pluto_release,
-	.info			= pluto_info,
-	.queuecommand		= fcp_scsi_queuecommand,
-	.slave_configure	= pluto_slave_configure,
-	.can_queue		= PLUTO_CAN_QUEUE,
-	.this_id		= -1,
-	.sg_tablesize		= 1,
-	.cmd_per_lun		= 1,
-	.use_clustering		= ENABLE_CLUSTERING,
-	.eh_abort_handler	= fcp_scsi_abort,
-	.eh_device_reset_handler = fcp_scsi_dev_reset,
-	.eh_host_reset_handler	= fcp_scsi_host_reset,
-};
-
-#include "scsi_module.c"
-
-MODULE_LICENSE("GPL");
-
diff --git a/drivers/scsi/pluto.h b/drivers/scsi/pluto.h
deleted file mode 100644
index 5da20616ac36..000000000000
--- a/drivers/scsi/pluto.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/* pluto.h: SparcSTORAGE Array SCSI host adapter driver definitions.
- *
- * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- */
-
-#ifndef _PLUTO_H
-#define _PLUTO_H
-
-#include "../fc4/fcp_impl.h"
-
-struct pluto {
-	/* This must be first */
-	fc_channel	*fc;
-	char		rev_str[5];
-	char		fw_rev_str[5];
-	char		serial_str[13];
-};
-
-struct pluto_inquiry {
-	u8	dtype;
-	u8	removable:1, qualifier:7;
-	u8	iso:2, ecma:3, ansi:3;
-	u8	aenc:1, trmiop:1, :2, rdf:4;
-	u8	len;
-	u8	xxx1;
-	u8	xxx2;
-	u8	reladdr:1, wbus32:1, wbus16:1, sync:1, linked:1, :1, cmdque:1, softreset:1;
-	u8	vendor_id[8];
-	u8	product_id[16];
-	u8	revision[4];
-	u8	fw_revision[4];
-	u8	serial[12];
-	u8	xxx3[2];
-	u8	channels;
-	u8	targets;
-};
-
-/* This is the max number of outstanding SCSI commands per pluto */
-#define PLUTO_CAN_QUEUE		254
-
-int pluto_detect(struct scsi_host_template *);
-int pluto_release(struct Scsi_Host *);
-const char * pluto_info(struct Scsi_Host *);
-int pluto_slave_configure(struct scsi_device *);
-
-#endif /* !(_PLUTO_H) */
-
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index 76089cf55f4e..3aeb68bcb7ac 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -4310,7 +4310,7 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 			printk(KERN_WARNING "scsi(%li): Unable to set a "
 			       "suitable DMA mask - aborting\n", ha->host_no);
 			error = -ENODEV;
-			goto error_free_irq;
+			goto error_put_host;
 		}
 	} else
 		dprintk(2, "scsi(%li): 64 Bit PCI Addressing Enabled\n",
@@ -4320,7 +4320,7 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		printk(KERN_WARNING "scsi(%li): Unable to set a "
 		       "suitable DMA mask - aborting\n", ha->host_no);
 		error = -ENODEV;
-		goto error_free_irq;
+		goto error_put_host;
 	}
 #endif
 
diff --git a/drivers/scsi/qla1280.h b/drivers/scsi/qla1280.h
index 59915fb70301..ff2c363ead26 100644
--- a/drivers/scsi/qla1280.h
+++ b/drivers/scsi/qla1280.h
@@ -91,8 +91,8 @@
 #define INVALID_HANDLE			(MAX_OUTSTANDING_COMMANDS + 2)
 
 /* ISP request and response entry counts (37-65535) */
-#define REQUEST_ENTRY_CNT		256 /* Number of request entries. */
-#define RESPONSE_ENTRY_CNT		16  /* Number of response entries. */
+#define REQUEST_ENTRY_CNT		255 /* Number of request entries. */
+#define RESPONSE_ENTRY_CNT		63  /* Number of response entries. */
 
 /*
  * SCSI Request Block structure  (sp)  that is placed
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 05fa7796a559..fb388b8c07cf 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -114,7 +114,6 @@ qla2x00_sysfs_write_nvram(struct kobject *kobj,
 {
 	struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj,
 	    struct device, kobj)));
-	unsigned long	flags;
 	uint16_t	cnt;
 
 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size)
@@ -144,11 +143,9 @@ qla2x00_sysfs_write_nvram(struct kobject *kobj,
 	}
 
 	/* Write NVRAM. */
-	spin_lock_irqsave(&ha->hardware_lock, flags);
 	ha->isp_ops->write_nvram(ha, (uint8_t *)buf, ha->nvram_base, count);
 	ha->isp_ops->read_nvram(ha, (uint8_t *)ha->nvram, ha->nvram_base,
 	    count);
-	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 
@@ -397,16 +394,13 @@ qla2x00_sysfs_write_vpd(struct kobject *kobj,
 {
 	struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj,
 	    struct device, kobj)));
-	unsigned long flags;
 
 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size)
 		return 0;
 
 	/* Write NVRAM. */
-	spin_lock_irqsave(&ha->hardware_lock, flags);
 	ha->isp_ops->write_nvram(ha, (uint8_t *)buf, ha->vpd_base, count);
 	ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd, ha->vpd_base, count);
-	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	return count;
 }
@@ -544,6 +538,9 @@ qla2x00_serial_num_show(struct class_device *cdev, char *buf)
 	scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
 	uint32_t sn;
 
+	if (IS_FWI2_CAPABLE(ha))
+		return snprintf(buf, PAGE_SIZE, "\n");
+
 	sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 	return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 	    sn % 100000);
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 1900fbf6cd74..04e8cbca4c0d 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2271,6 +2271,7 @@ typedef struct scsi_qla_host {
 
 	spinlock_t		hardware_lock ____cacheline_aligned;
 
+	int		bars;
 	device_reg_t __iomem *iobase;		/* Base I/O address */
 	unsigned long	pio_address;
 	unsigned long	pio_length;
diff --git a/drivers/scsi/qla2xxx/qla_devtbl.h b/drivers/scsi/qla2xxx/qla_devtbl.h
index dd435410dfa2..d78d35e681ab 100644
--- a/drivers/scsi/qla2xxx/qla_devtbl.h
+++ b/drivers/scsi/qla2xxx/qla_devtbl.h
@@ -1,4 +1,4 @@
-#define QLA_MODEL_NAMES		0x57
+#define QLA_MODEL_NAMES		0x5C
 
 /*
  * Adapter model names and descriptions.
@@ -91,4 +91,9 @@ static char *qla2x00_model_name[QLA_MODEL_NAMES*2] = {
 	" ",		" ",						/* 0x154 */
 	"QLE220",	"PCI-Express to 4Gb FC, Single Channel",	/* 0x155 */
 	"QLE220",	"PCI-Express to 4Gb FC, Single Channel",	/* 0x156 */
+	" ",		" ",						/* 0x157 */
+	" ",		" ",						/* 0x158 */
+	" ",		" ",						/* 0x159 */
+	" ",		" ",						/* 0x15a */
+	"QME2472",	"Dell BS PCI-Express to 4Gb FC, Dual Channel",	/* 0x15b */
 };
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 7f6a89bd94f3..024c662ec34d 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -525,7 +525,7 @@ qla2x00_req_pkt(scsi_qla_host_t *ha)
 
 		/* Check for pending interrupts. */
 		/* During init we issue marker directly */
-		if (!ha->marker_needed)
+		if (!ha->marker_needed && !ha->flags.init_done)
 			qla2x00_poll(ha);
 
 		spin_lock_irq(&ha->hardware_lock);
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index c4768c4f3990..1104bd2eed40 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -1012,8 +1012,14 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
 	case CS_DATA_UNDERRUN:
 		resid = resid_len;
 		/* Use F/W calculated residual length. */
-		if (IS_FWI2_CAPABLE(ha))
+		if (IS_FWI2_CAPABLE(ha)) {
+			if (scsi_status & SS_RESIDUAL_UNDER &&
+			    resid != fw_resid_len) {
+				scsi_status &= ~SS_RESIDUAL_UNDER;
+				lscsi_status = 0;
+			}
 			resid = fw_resid_len;
+		}
 
 		if (scsi_status & SS_RESIDUAL_UNDER) {
 			scsi_set_resid(cp, resid);
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index c53ec67c47f4..ccd662a6f5dc 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -252,7 +252,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *pvha, mbx_cmd_t *mcp)
 	/* Clean up */
 	ha->mcp = NULL;
 
-	if (!abort_active) {
+	if (abort_active || !io_lock_on) {
 		DEBUG11(printk("%s(%ld): checking for additional resp "
 		    "interrupt.\n", __func__, ha->host_no));
 
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 0351d380c2d7..a5bcf1f390b3 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1482,6 +1482,17 @@ qla2x00_iospace_config(scsi_qla_host_t *ha)
 	unsigned long	pio, pio_len, pio_flags;
 	unsigned long	mmio, mmio_len, mmio_flags;
 
+	if (pci_request_selected_regions(ha->pdev, ha->bars,
+	    QLA2XXX_DRIVER_NAME)) {
+		qla_printk(KERN_WARNING, ha,
+		    "Failed to reserve PIO/MMIO regions (%s)\n",
+		    pci_name(ha->pdev));
+
+		goto iospace_error_exit;
+	}
+	if (!(ha->bars & 1))
+		goto skip_pio;
+
 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
 	pio = pci_resource_start(ha->pdev, 0);
 	pio_len = pci_resource_len(ha->pdev, 0);
@@ -1499,7 +1510,10 @@ qla2x00_iospace_config(scsi_qla_host_t *ha)
 		    pci_name(ha->pdev));
 		pio = 0;
 	}
+	ha->pio_address = pio;
+	ha->pio_length = pio_len;
 
+skip_pio:
 	/* Use MMIO operations for all accesses. */
 	mmio = pci_resource_start(ha->pdev, 1);
 	mmio_len = pci_resource_len(ha->pdev, 1);
@@ -1518,16 +1532,6 @@ qla2x00_iospace_config(scsi_qla_host_t *ha)
 		goto iospace_error_exit;
 	}
 
-	if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
-		qla_printk(KERN_WARNING, ha,
-		    "Failed to reserve PIO/MMIO regions (%s)\n",
-		    pci_name(ha->pdev));
-
-		goto iospace_error_exit;
-	}
-
-	ha->pio_address = pio;
-	ha->pio_length = pio_len;
 	ha->iobase = ioremap(mmio, MIN_IOBASE_LEN);
 	if (!ha->iobase) {
 		qla_printk(KERN_ERR, ha,
@@ -1579,21 +1583,26 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	char pci_info[30];
 	char fw_str[30];
 	struct scsi_host_template *sht;
+	int bars;
 
-	if (pci_enable_device(pdev))
-		goto probe_out;
-
-	if (pci_find_aer_capability(pdev))
-		if (pci_enable_pcie_error_reporting(pdev))
-			goto probe_out;
-
+	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
 	sht = &qla2x00_driver_template;
 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
-	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532)
+	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
+		bars = pci_select_bars(pdev, IORESOURCE_MEM);
 		sht = &qla24xx_driver_template;
+	}
+
+	if (pci_enable_device_bars(pdev, bars))
+		goto probe_out;
+
+	if (pci_find_aer_capability(pdev))
+		if (pci_enable_pcie_error_reporting(pdev))
+			goto probe_out;
+
 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
 	if (host == NULL) {
 		printk(KERN_WARNING
@@ -1610,6 +1619,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	ha->host_no = host->host_no;
 	sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
 	ha->parent = NULL;
+	ha->bars = bars;
 
 	/* Set ISP-type information. */
 	qla2x00_set_isp_flags(ha);
@@ -1880,7 +1890,7 @@ qla2x00_free_device(scsi_qla_host_t *ha)
 	/* release io space registers  */
 	if (ha->iobase)
 		iounmap(ha->iobase);
-	pci_release_regions(ha->pdev);
+	pci_release_selected_regions(ha->pdev, ha->bars);
 }
 
 static inline void
@@ -2890,7 +2900,7 @@ qla2xxx_pci_slot_reset(struct pci_dev *pdev)
 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
 	scsi_qla_host_t *ha = pci_get_drvdata(pdev);
 
-	if (pci_enable_device(pdev)) {
+	if (pci_enable_device_bars(pdev, ha->bars)) {
 		qla_printk(KERN_WARNING, ha,
 		    "Can't re-enable PCI device after reset.\n");
 
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index 40b059fc1981..ad2fa01bd233 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -7,6 +7,7 @@
 #include "qla_def.h"
 
 #include <linux/delay.h>
+#include <linux/vmalloc.h>
 #include <asm/uaccess.h>
 
 static uint16_t qla2x00_nvram_request(scsi_qla_host_t *, uint32_t);
@@ -642,7 +643,7 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
 		}
 
 		/* Go with burst-write. */
-		if (optrom && (liter + OPTROM_BURST_DWORDS) < dwords) {
+		if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
 			/* Copy data to DMA'ble buffer. */
 			for (miter = 0, s = optrom, d = dwptr;
 			    miter < OPTROM_BURST_DWORDS; miter++, s++, d++)
@@ -656,7 +657,7 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
 				    "Unable to burst-write optrom segment "
 				    "(%x/%x/%llx).\n", ret,
 				    flash_data_to_access_addr(faddr),
-				    optrom_dma);
+				    (unsigned long long)optrom_dma);
 				qla_printk(KERN_WARNING, ha,
 				    "Reverting to slow-write.\n");
 
@@ -745,9 +746,11 @@ qla2x00_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 	int ret, stat;
 	uint32_t i;
 	uint16_t *wptr;
+	unsigned long flags;
 
 	ret = QLA_SUCCESS;
 
+	spin_lock_irqsave(&ha->hardware_lock, flags);
 	qla2x00_lock_nvram_access(ha);
 
 	/* Disable NVRAM write-protection. */
@@ -764,6 +767,7 @@ qla2x00_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 	qla2x00_set_nvram_protection(ha, stat);
 
 	qla2x00_unlock_nvram_access(ha);
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	return ret;
 }
@@ -776,9 +780,11 @@ qla24xx_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 	uint32_t i;
 	uint32_t *dwptr;
 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+	unsigned long flags;
 
 	ret = QLA_SUCCESS;
 
+	spin_lock_irqsave(&ha->hardware_lock, flags);
 	/* Enable flash write. */
 	WRT_REG_DWORD(&reg->ctrl_status,
 	    RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
@@ -812,6 +818,7 @@ qla24xx_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 	WRT_REG_DWORD(&reg->ctrl_status,
 	    RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
 	RD_REG_DWORD(&reg->ctrl_status);	/* PCI Posting. */
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	return ret;
 }
@@ -836,8 +843,20 @@ int
 qla25xx_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
     uint32_t bytes)
 {
-	return qla24xx_write_flash_data(ha, (uint32_t *)buf,
-	    FA_VPD_NVRAM_ADDR | naddr, bytes >> 2);
+#define RMW_BUFFER_SIZE	(64 * 1024)
+	uint8_t *dbuf;
+
+	dbuf = vmalloc(RMW_BUFFER_SIZE);
+	if (!dbuf)
+		return QLA_MEMORY_ALLOC_FAILED;
+	ha->isp_ops->read_optrom(ha, dbuf, FA_VPD_NVRAM_ADDR << 2,
+	    RMW_BUFFER_SIZE);
+	memcpy(dbuf + (naddr << 2), buf, bytes);
+	ha->isp_ops->write_optrom(ha, dbuf, FA_VPD_NVRAM_ADDR << 2,
+	    RMW_BUFFER_SIZE);
+	vfree(dbuf);
+
+	return QLA_SUCCESS;
 }
 
 static inline void
@@ -1853,7 +1872,8 @@ qla25xx_read_optrom_data(struct scsi_qla_host *ha, uint8_t *buf,
 			qla_printk(KERN_WARNING, ha,
 			    "Unable to burst-read optrom segment "
 			    "(%x/%x/%llx).\n", rval,
-			    flash_data_to_access_addr(faddr), optrom_dma);
+			    flash_data_to_access_addr(faddr),
+			    (unsigned long long)optrom_dma);
 			qla_printk(KERN_WARNING, ha,
 			    "Reverting to slow-read.\n");
 
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index 2d551a3006f6..ae6f7a2fb19f 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -7,7 +7,7 @@
 /*
  * Driver version
  */
-#define QLA2XXX_VERSION      "8.02.00-k4"
+#define QLA2XXX_VERSION      "8.02.00-k5"
 
 #define QLA_DRIVER_MAJOR_VER	8
 #define QLA_DRIVER_MINOR_VER	2
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index d29f8464b74f..ebaca4ca4a13 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -24,7 +24,6 @@
 #include <linux/interrupt.h>
 #include <linux/blkdev.h>
 #include <linux/delay.h>
-#include <linux/scatterlist.h>
 
 #include <scsi/scsi.h>
 #include <scsi/scsi_cmnd.h>
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index daed37df00b1..d531ceeb0d8c 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -209,11 +209,13 @@ show_shost_mode(unsigned int mode, char *buf)
 static ssize_t show_shost_supported_mode(struct class_device *class_dev, char *buf)
 {
 	struct Scsi_Host *shost = class_to_shost(class_dev);
+	unsigned int supported_mode = shost->hostt->supported_mode;
 
-	if (shost->hostt->supported_mode == MODE_UNKNOWN)
-		return snprintf(buf, 20, "unknown\n");
-	else
-		return show_shost_mode(shost->hostt->supported_mode, buf);
+	if (supported_mode == MODE_UNKNOWN)
+		/* by default this should be initiator */
+		supported_mode = MODE_INITIATOR;
+
+	return show_shost_mode(supported_mode, buf);
 }
 
 static CLASS_DEVICE_ATTR(supported_mode, S_IRUGO | S_IWUSR, show_shost_supported_mode, NULL);
diff --git a/drivers/scsi/sym53c8xx_2/sym53c8xx.h b/drivers/scsi/sym53c8xx_2/sym53c8xx.h
index 7519728dfc38..62d29cfac9e4 100644
--- a/drivers/scsi/sym53c8xx_2/sym53c8xx.h
+++ b/drivers/scsi/sym53c8xx_2/sym53c8xx.h
@@ -127,7 +127,6 @@ struct sym_driver_setup {
 	u_char	settle_delay;
 	u_char	use_nvram;
 	u_long	excludes[8];
-	char	tag_ctrl[100];
 };
 
 #define SYM_SETUP_MAX_TAG		sym_driver_setup.max_tag
diff --git a/drivers/scsi/sym53c8xx_2/sym_fw.c b/drivers/scsi/sym53c8xx_2/sym_fw.c
index 9916a2a22558..190770bdc194 100644
--- a/drivers/scsi/sym53c8xx_2/sym_fw.c
+++ b/drivers/scsi/sym53c8xx_2/sym_fw.c
@@ -104,8 +104,9 @@ static struct sym_fwz_ofs sym_fw2z_ofs = {
  *  Patch routine for firmware #1.
  */
 static void
-sym_fw1_patch(struct sym_hcb *np)
+sym_fw1_patch(struct Scsi_Host *shost)
 {
+	struct sym_hcb *np = sym_get_hcb(shost);
 	struct sym_fw1a_scr *scripta0;
 	struct sym_fw1b_scr *scriptb0;
 
@@ -145,8 +146,11 @@ sym_fw1_patch(struct sym_hcb *np)
  *  Patch routine for firmware #2.
  */
 static void
-sym_fw2_patch(struct sym_hcb *np)
+sym_fw2_patch(struct Scsi_Host *shost)
 {
+	struct sym_data *sym_data = shost_priv(shost);
+	struct pci_dev *pdev = sym_data->pdev;
+	struct sym_hcb *np = sym_data->ncb;
 	struct sym_fw2a_scr *scripta0;
 	struct sym_fw2b_scr *scriptb0;
 
@@ -167,7 +171,7 @@ sym_fw2_patch(struct sym_hcb *np)
 	 *  Remove useless 64 bit DMA specific SCRIPTS, 
 	 *  when this feature is not available.
 	 */
-	if (!np->use_dac) {
+	if (!use_dac(np)) {
 		scripta0->is_dmap_dirty[0] = cpu_to_scr(SCR_NO_OP);
 		scripta0->is_dmap_dirty[1] = 0;
 		scripta0->is_dmap_dirty[2] = cpu_to_scr(SCR_NO_OP);
@@ -205,14 +209,14 @@ sym_fw2_patch(struct sym_hcb *np)
 	 *  Remove a couple of work-arounds specific to C1010 if 
 	 *  they are not desirable. See `sym_fw2.h' for more details.
 	 */
-	if (!(np->device_id == PCI_DEVICE_ID_LSI_53C1010_66 &&
-	      np->revision_id < 0x1 &&
+	if (!(pdev->device == PCI_DEVICE_ID_LSI_53C1010_66 &&
+	      pdev->revision < 0x1 &&
 	      np->pciclk_khz < 60000)) {
 		scripta0->datao_phase[0] = cpu_to_scr(SCR_NO_OP);
 		scripta0->datao_phase[1] = cpu_to_scr(0);
 	}
-	if (!(np->device_id == PCI_DEVICE_ID_LSI_53C1010_33 &&
-	      /* np->revision_id < 0xff */ 1)) {
+	if (!(pdev->device == PCI_DEVICE_ID_LSI_53C1010_33 /* &&
+	      pdev->revision < 0xff */)) {
 		scripta0->sel_done[0] = cpu_to_scr(SCR_NO_OP);
 		scripta0->sel_done[1] = cpu_to_scr(0);
 	}
diff --git a/drivers/scsi/sym53c8xx_2/sym_fw.h b/drivers/scsi/sym53c8xx_2/sym_fw.h
index 66ec35beab5b..ae7e0f9e93fc 100644
--- a/drivers/scsi/sym53c8xx_2/sym_fw.h
+++ b/drivers/scsi/sym53c8xx_2/sym_fw.h
@@ -143,7 +143,7 @@ struct sym_fw {
 		*z_ofs;		/* Useful offsets in script Z	*/
 	/* Setup and patch methods for this firmware */
 	void	(*setup)(struct sym_hcb *, struct sym_fw *);
-	void	(*patch)(struct sym_hcb *);
+	void	(*patch)(struct Scsi_Host *);
 };
 
 /*
diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c
index db03c4c8ec1e..0f74aba5b237 100644
--- a/drivers/scsi/sym53c8xx_2/sym_glue.c
+++ b/drivers/scsi/sym53c8xx_2/sym_glue.c
@@ -39,7 +39,6 @@
  */
 #include <linux/ctype.h>
 #include <linux/init.h>
-#include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/spinlock.h>
@@ -54,16 +53,12 @@
 #define NAME53C		"sym53c"
 #define NAME53C8XX	"sym53c8xx"
 
-#define IRQ_FMT "%d"
-#define IRQ_PRM(x) (x)
-
 struct sym_driver_setup sym_driver_setup = SYM_LINUX_DRIVER_SETUP;
 unsigned int sym_debug_flags = 0;
 
 static char *excl_string;
 static char *safe_string;
 module_param_named(cmd_per_lun, sym_driver_setup.max_tag, ushort, 0);
-module_param_string(tag_ctrl, sym_driver_setup.tag_ctrl, 100, 0);
 module_param_named(burst, sym_driver_setup.burst_order, byte, 0);
 module_param_named(led, sym_driver_setup.scsi_led, byte, 0);
 module_param_named(diff, sym_driver_setup.scsi_diff, byte, 0);
@@ -78,7 +73,6 @@ module_param_named(excl, excl_string, charp, 0);
 module_param_named(safe, safe_string, charp, 0);
 
 MODULE_PARM_DESC(cmd_per_lun, "The maximum number of tags to use by default");
-MODULE_PARM_DESC(tag_ctrl, "More detailed control over tags per LUN");
 MODULE_PARM_DESC(burst, "Maximum burst.  0 to disable, 255 to read from registers");
 MODULE_PARM_DESC(led, "Set to 1 to enable LED support");
 MODULE_PARM_DESC(diff, "0 for no differential mode, 1 for BIOS, 2 for always, 3 for not GPIO3");
@@ -134,56 +128,26 @@ static struct scsi_transport_template *sym2_transport_template = NULL;
  *  Driver private area in the SCSI command structure.
  */
 struct sym_ucmd {		/* Override the SCSI pointer structure */
-	dma_addr_t	data_mapping;
-	unsigned char	data_mapped;
-	unsigned char	to_do;			/* For error handling */
-	void (*old_done)(struct scsi_cmnd *);	/* For error handling */
-	struct completion *eh_done;		/* For error handling */
+	struct completion *eh_done;		/* SCSI error handling */
 };
 
 #define SYM_UCMD_PTR(cmd)  ((struct sym_ucmd *)(&(cmd)->SCp))
 #define SYM_SOFTC_PTR(cmd) sym_get_hcb(cmd->device->host)
 
-static void __unmap_scsi_data(struct pci_dev *pdev, struct scsi_cmnd *cmd)
-{
-	if (SYM_UCMD_PTR(cmd)->data_mapped)
-		scsi_dma_unmap(cmd);
-
-	SYM_UCMD_PTR(cmd)->data_mapped = 0;
-}
-
-static int __map_scsi_sg_data(struct pci_dev *pdev, struct scsi_cmnd *cmd)
-{
-	int use_sg;
-
-	use_sg = scsi_dma_map(cmd);
-	if (use_sg > 0) {
-		SYM_UCMD_PTR(cmd)->data_mapped  = 2;
-		SYM_UCMD_PTR(cmd)->data_mapping = use_sg;
-	}
-
-	return use_sg;
-}
-
-#define unmap_scsi_data(np, cmd)	\
-		__unmap_scsi_data(np->s.device, cmd)
-#define map_scsi_sg_data(np, cmd)	\
-		__map_scsi_sg_data(np->s.device, cmd)
 /*
  *  Complete a pending CAM CCB.
  */
 void sym_xpt_done(struct sym_hcb *np, struct scsi_cmnd *cmd)
 {
-	unmap_scsi_data(np, cmd);
-	cmd->scsi_done(cmd);
-}
+	struct sym_ucmd *ucmd = SYM_UCMD_PTR(cmd);
+	BUILD_BUG_ON(sizeof(struct scsi_pointer) < sizeof(struct sym_ucmd));
 
-static void sym_xpt_done2(struct sym_hcb *np, struct scsi_cmnd *cmd, int cam_status)
-{
-	sym_set_cam_status(cmd, cam_status);
-	sym_xpt_done(np, cmd);
-}
+	if (ucmd->eh_done)
+		complete(ucmd->eh_done);
 
+	scsi_dma_unmap(cmd);
+	cmd->scsi_done(cmd);
+}
 
 /*
  *  Tell the SCSI layer about a BUS RESET.
@@ -199,14 +163,6 @@ void sym_xpt_async_bus_reset(struct sym_hcb *np)
 }
 
 /*
- *  Tell the SCSI layer about a BUS DEVICE RESET message sent.
- */
-void sym_xpt_async_sent_bdr(struct sym_hcb *np, int target)
-{
-	printf_notice("%s: TARGET %d has been reset.\n", sym_name(np), target);
-}
-
-/*
  *  Choose the more appropriate CAM status if 
  *  the IO encountered an extended error.
  */
@@ -307,14 +263,14 @@ static int sym_scatter(struct sym_hcb *np, struct sym_ccb *cp, struct scsi_cmnd
 
 	cp->data_len = 0;
 
-	use_sg = map_scsi_sg_data(np, cmd);
+	use_sg = scsi_dma_map(cmd);
 	if (use_sg > 0) {
 		struct scatterlist *sg;
 		struct sym_tcb *tp = &np->target[cp->target];
 		struct sym_tblmove *data;
 
 		if (use_sg > SYM_CONF_MAX_SG) {
-			unmap_scsi_data(np, cmd);
+			scsi_dma_unmap(cmd);
 			return -1;
 		}
 
@@ -351,15 +307,6 @@ static int sym_queue_command(struct sym_hcb *np, struct scsi_cmnd *cmd)
 	int	order;
 
 	/*
-	 *  Minimal checkings, so that we will not 
-	 *  go outside our tables.
-	 */
-	if (sdev->id == np->myaddr) {
-		sym_xpt_done2(np, cmd, DID_NO_CONNECT);
-		return 0;
-	}
-
-	/*
 	 *  Retrieve the target descriptor.
 	 */
 	tp = &np->target[sdev->id];
@@ -433,7 +380,7 @@ int sym_setup_data_and_start(struct sym_hcb *np, struct scsi_cmnd *cmd, struct s
 	 */
 	switch (dir) {
 	case DMA_BIDIRECTIONAL:
-		printk("%s: got DMA_BIDIRECTIONAL command", sym_name(np));
+		scmd_printk(KERN_INFO, cmd, "got DMA_BIDIRECTIONAL command");
 		sym_set_cam_status(cmd, DID_ERROR);
 		goto out_abort;
 	case DMA_TO_DEVICE:
@@ -542,14 +489,16 @@ static void sym_timer(struct sym_hcb *np)
 /*
  *  PCI BUS error handler.
  */
-void sym_log_bus_error(struct sym_hcb *np)
+void sym_log_bus_error(struct Scsi_Host *shost)
 {
-	u_short pci_sts;
-	pci_read_config_word(np->s.device, PCI_STATUS, &pci_sts);
+	struct sym_data *sym_data = shost_priv(shost);
+	struct pci_dev *pdev = sym_data->pdev;
+	unsigned short pci_sts;
+	pci_read_config_word(pdev, PCI_STATUS, &pci_sts);
 	if (pci_sts & 0xf900) {
-		pci_write_config_word(np->s.device, PCI_STATUS, pci_sts);
-		printf("%s: PCI STATUS = 0x%04x\n",
-			sym_name(np), pci_sts & 0xf900);
+		pci_write_config_word(pdev, PCI_STATUS, pci_sts);
+		shost_printk(KERN_WARNING, shost,
+			"PCI bus error: status = 0x%04x\n", pci_sts & 0xf900);
 	}
 }
 
@@ -564,7 +513,7 @@ static int sym53c8xx_queue_command(struct scsi_cmnd *cmd,
 	struct sym_ucmd *ucp = SYM_UCMD_PTR(cmd);
 	int sts = 0;
 
-	cmd->scsi_done     = done;
+	cmd->scsi_done = done;
 	memset(ucp, 0, sizeof(*ucp));
 
 	/*
@@ -593,18 +542,23 @@ static int sym53c8xx_queue_command(struct scsi_cmnd *cmd,
  */
 static irqreturn_t sym53c8xx_intr(int irq, void *dev_id)
 {
-	unsigned long flags;
-	struct sym_hcb *np = (struct sym_hcb *)dev_id;
+	struct Scsi_Host *shost = dev_id;
+	struct sym_data *sym_data = shost_priv(shost);
+	irqreturn_t result;
+
+	/* Avoid spinloop trying to handle interrupts on frozen device */
+	if (pci_channel_offline(sym_data->pdev))
+		return IRQ_NONE;
 
 	if (DEBUG_FLAGS & DEBUG_TINY) printf_debug ("[");
 
-	spin_lock_irqsave(np->s.host->host_lock, flags);
-	sym_interrupt(np);
-	spin_unlock_irqrestore(np->s.host->host_lock, flags);
+	spin_lock(shost->host_lock);
+	result = sym_interrupt(shost);
+	spin_unlock(shost->host_lock);
 
 	if (DEBUG_FLAGS & DEBUG_TINY) printf_debug ("]\n");
 
-	return IRQ_HANDLED;
+	return result;
 }
 
 /*
@@ -630,59 +584,61 @@ static void sym53c8xx_timer(unsigned long npref)
 #define SYM_EH_HOST_RESET	3
 
 /*
- *  What we will do regarding the involved SCSI command.
- */
-#define SYM_EH_DO_IGNORE	0
-#define SYM_EH_DO_WAIT		2
-
-/*
- *  scsi_done() alias when error recovery is in progress.
- */
-static void sym_eh_done(struct scsi_cmnd *cmd)
-{
-	struct sym_ucmd *ucmd = SYM_UCMD_PTR(cmd);
-	BUILD_BUG_ON(sizeof(struct scsi_pointer) < sizeof(struct sym_ucmd));
-
-	cmd->scsi_done = ucmd->old_done;
-
-	if (ucmd->to_do == SYM_EH_DO_WAIT)
-		complete(ucmd->eh_done);
-}
-
-/*
  *  Generic method for our eh processing.
  *  The 'op' argument tells what we have to do.
  */
 static int sym_eh_handler(int op, char *opname, struct scsi_cmnd *cmd)
 {
-	struct sym_hcb *np = SYM_SOFTC_PTR(cmd);
 	struct sym_ucmd *ucmd = SYM_UCMD_PTR(cmd);
-	struct Scsi_Host *host = cmd->device->host;
+	struct Scsi_Host *shost = cmd->device->host;
+	struct sym_data *sym_data = shost_priv(shost);
+	struct pci_dev *pdev = sym_data->pdev;
+	struct sym_hcb *np = sym_data->ncb;
 	SYM_QUEHEAD *qp;
-	int to_do = SYM_EH_DO_IGNORE;
+	int cmd_queued = 0;
 	int sts = -1;
 	struct completion eh_done;
 
-	dev_warn(&cmd->device->sdev_gendev, "%s operation started.\n", opname);
+	scmd_printk(KERN_WARNING, cmd, "%s operation started\n", opname);
+
+	/* We may be in an error condition because the PCI bus
+	 * went down. In this case, we need to wait until the
+	 * PCI bus is reset, the card is reset, and only then
+	 * proceed with the scsi error recovery.  There's no
+	 * point in hurrying; take a leisurely wait.
+	 */
+#define WAIT_FOR_PCI_RECOVERY	35
+	if (pci_channel_offline(pdev)) {
+		struct completion *io_reset;
+		int finished_reset = 0;
+		init_completion(&eh_done);
+		spin_lock_irq(shost->host_lock);
+		/* Make sure we didn't race */
+		if (pci_channel_offline(pdev)) {
+			if (!sym_data->io_reset)
+				sym_data->io_reset = &eh_done;
+			io_reset = sym_data->io_reset;
+		} else {
+			finished_reset = 1;
+		}
+		spin_unlock_irq(shost->host_lock);
+		if (!finished_reset)
+			finished_reset = wait_for_completion_timeout(io_reset,
+						WAIT_FOR_PCI_RECOVERY*HZ);
+		if (!finished_reset)
+			return SCSI_FAILED;
+	}
 
-	spin_lock_irq(host->host_lock);
+	spin_lock_irq(shost->host_lock);
 	/* This one is queued in some place -> to wait for completion */
 	FOR_EACH_QUEUED_ELEMENT(&np->busy_ccbq, qp) {
 		struct sym_ccb *cp = sym_que_entry(qp, struct sym_ccb, link_ccbq);
 		if (cp->cmd == cmd) {
-			to_do = SYM_EH_DO_WAIT;
+			cmd_queued = 1;
 			break;
 		}
 	}
 
-	if (to_do == SYM_EH_DO_WAIT) {
-		init_completion(&eh_done);
-		ucmd->old_done = cmd->scsi_done;
-		ucmd->eh_done = &eh_done;
-		wmb();
-		cmd->scsi_done = sym_eh_done;
-	}
-
 	/* Try to proceed the operation we have been asked for */
 	sts = -1;
 	switch(op) {
@@ -698,7 +654,7 @@ static int sym_eh_handler(int op, char *opname, struct scsi_cmnd *cmd)
 		break;
 	case SYM_EH_HOST_RESET:
 		sym_reset_scsi_bus(np, 0);
-		sym_start_up (np, 1);
+		sym_start_up(shost, 1);
 		sts = 0;
 		break;
 	default:
@@ -706,21 +662,21 @@ static int sym_eh_handler(int op, char *opname, struct scsi_cmnd *cmd)
 	}
 
 	/* On error, restore everything and cross fingers :) */
-	if (sts) {
-		cmd->scsi_done = ucmd->old_done;
-		to_do = SYM_EH_DO_IGNORE;
-	}
-
-	ucmd->to_do = to_do;
-	spin_unlock_irq(host->host_lock);
+	if (sts)
+		cmd_queued = 0;
 
-	if (to_do == SYM_EH_DO_WAIT) {
+	if (cmd_queued) {
+		init_completion(&eh_done);
+		ucmd->eh_done = &eh_done;
+		spin_unlock_irq(shost->host_lock);
 		if (!wait_for_completion_timeout(&eh_done, 5*HZ)) {
-			ucmd->to_do = SYM_EH_DO_IGNORE;
-			wmb();
+			ucmd->eh_done = NULL;
 			sts = -2;
 		}
+	} else {
+		spin_unlock_irq(shost->host_lock);
 	}
+
 	dev_warn(&cmd->device->sdev_gendev, "%s operation %s.\n", opname,
 			sts==0 ? "complete" :sts==-2 ? "timed-out" : "failed");
 	return sts ? SCSI_FAILED : SCSI_SUCCESS;
@@ -775,59 +731,6 @@ static void sym_tune_dev_queuing(struct sym_tcb *tp, int lun, u_short reqtags)
 	}
 }
 
-/*
- *  Linux select queue depths function
- */
-#define DEF_DEPTH	(sym_driver_setup.max_tag)
-#define ALL_TARGETS	-2
-#define NO_TARGET	-1
-#define ALL_LUNS	-2
-#define NO_LUN		-1
-
-static int device_queue_depth(struct sym_hcb *np, int target, int lun)
-{
-	int c, h, t, u, v;
-	char *p = sym_driver_setup.tag_ctrl;
-	char *ep;
-
-	h = -1;
-	t = NO_TARGET;
-	u = NO_LUN;
-	while ((c = *p++) != 0) {
-		v = simple_strtoul(p, &ep, 0);
-		switch(c) {
-		case '/':
-			++h;
-			t = ALL_TARGETS;
-			u = ALL_LUNS;
-			break;
-		case 't':
-			if (t != target)
-				t = (target == v) ? v : NO_TARGET;
-			u = ALL_LUNS;
-			break;
-		case 'u':
-			if (u != lun)
-				u = (lun == v) ? v : NO_LUN;
-			break;
-		case 'q':
-			if (h == np->s.unit &&
-				(t == ALL_TARGETS || t == target) &&
-				(u == ALL_LUNS    || u == lun))
-				return v;
-			break;
-		case '-':
-			t = ALL_TARGETS;
-			u = ALL_LUNS;
-			break;
-		default:
-			break;
-		}
-		p = ep;
-	}
-	return DEF_DEPTH;
-}
-
 static int sym53c8xx_slave_alloc(struct scsi_device *sdev)
 {
 	struct sym_hcb *np = sym_get_hcb(sdev->host);
@@ -892,21 +795,16 @@ static int sym53c8xx_slave_configure(struct scsi_device *sdev)
 	 *  Use at least 2.
 	 *  Donnot use more than our maximum.
 	 */
-	reqtags = device_queue_depth(np, sdev->id, sdev->lun);
+	reqtags = sym_driver_setup.max_tag;
 	if (reqtags > tp->usrtags)
 		reqtags = tp->usrtags;
 	if (!sdev->tagged_supported)
 		reqtags = 0;
-#if 1 /* Avoid to locally queue commands for no good reasons */
 	if (reqtags > SYM_CONF_MAX_TAG)
 		reqtags = SYM_CONF_MAX_TAG;
-	depth_to_use = (reqtags ? reqtags : 2);
-#else
-	depth_to_use = (reqtags ? SYM_CONF_MAX_TAG : 2);
-#endif
+	depth_to_use = reqtags ? reqtags : 2;
 	scsi_adjust_queue_depth(sdev,
-				(sdev->tagged_supported ?
-				 MSG_SIMPLE_TAG : 0),
+				sdev->tagged_supported ? MSG_SIMPLE_TAG : 0,
 				depth_to_use);
 	lp->s.scdev_depth = depth_to_use;
 	sym_tune_dev_queuing(tp, sdev->lun, reqtags);
@@ -1089,8 +987,9 @@ static int is_keyword(char *ptr, int len, char *verb)
  * Parse a control command
  */
 
-static int sym_user_command(struct sym_hcb *np, char *buffer, int length)
+static int sym_user_command(struct Scsi_Host *shost, char *buffer, int length)
 {
+	struct sym_hcb *np = sym_get_hcb(shost);
 	char *ptr	= buffer;
 	int len		= length;
 	struct sym_usrcmd cmd, *uc = &cmd;
@@ -1217,9 +1116,9 @@ printk("sym_user_command: data=%ld\n", uc->data);
 	else {
 		unsigned long flags;
 
-		spin_lock_irqsave(np->s.host->host_lock, flags);
-		sym_exec_user_command (np, uc);
-		spin_unlock_irqrestore(np->s.host->host_lock, flags);
+		spin_lock_irqsave(shost->host_lock, flags);
+		sym_exec_user_command(np, uc);
+		spin_unlock_irqrestore(shost->host_lock, flags);
 	}
 	return length;
 }
@@ -1275,8 +1174,11 @@ static int copy_info(struct info_str *info, char *fmt, ...)
 /*
  *  Copy formatted information into the input buffer.
  */
-static int sym_host_info(struct sym_hcb *np, char *ptr, off_t offset, int len)
+static int sym_host_info(struct Scsi_Host *shost, char *ptr, off_t offset, int len)
 {
+	struct sym_data *sym_data = shost_priv(shost);
+	struct pci_dev *pdev = sym_data->pdev;
+	struct sym_hcb *np = sym_data->ncb;
 	struct info_str info;
 
 	info.buffer	= ptr;
@@ -1285,10 +1187,10 @@ static int sym_host_info(struct sym_hcb *np, char *ptr, off_t offset, int len)
 	info.pos	= 0;
 
 	copy_info(&info, "Chip " NAME53C "%s, device id 0x%x, "
-			 "revision id 0x%x\n",
-			 np->s.chip_name, np->device_id, np->revision_id);
-	copy_info(&info, "At PCI address %s, IRQ " IRQ_FMT "\n",
-		pci_name(np->s.device), IRQ_PRM(np->s.irq));
+			 "revision id 0x%x\n", np->s.chip_name,
+			 pdev->device, pdev->revision);
+	copy_info(&info, "At PCI address %s, IRQ %u\n",
+			 pci_name(pdev), pdev->irq);
 	copy_info(&info, "Min. period factor %d, %s SCSI BUS%s\n",
 			 (int) (np->minsync_dt ? np->minsync_dt : np->minsync),
 			 np->maxwide ? "Wide" : "Narrow",
@@ -1307,15 +1209,14 @@ static int sym_host_info(struct sym_hcb *np, char *ptr, off_t offset, int len)
  *  - func = 0 means read  (returns adapter infos)
  *  - func = 1 means write (not yet merget from sym53c8xx)
  */
-static int sym53c8xx_proc_info(struct Scsi_Host *host, char *buffer,
+static int sym53c8xx_proc_info(struct Scsi_Host *shost, char *buffer,
 			char **start, off_t offset, int length, int func)
 {
-	struct sym_hcb *np = sym_get_hcb(host);
 	int retv;
 
 	if (func) {
 #ifdef	SYM_LINUX_USER_COMMAND_SUPPORT
-		retv = sym_user_command(np, buffer, length);
+		retv = sym_user_command(shost, buffer, length);
 #else
 		retv = -EINVAL;
 #endif
@@ -1323,7 +1224,7 @@ static int sym53c8xx_proc_info(struct Scsi_Host *host, char *buffer,
 		if (start)
 			*start = buffer;
 #ifdef SYM_LINUX_USER_INFO_SUPPORT
-		retv = sym_host_info(np, buffer, offset, length);
+		retv = sym_host_info(shost, buffer, offset, length);
 #else
 		retv = -EINVAL;
 #endif
@@ -1341,8 +1242,8 @@ static void sym_free_resources(struct sym_hcb *np, struct pci_dev *pdev)
 	/*
 	 *  Free O/S specific resources.
 	 */
-	if (np->s.irq)
-		free_irq(np->s.irq, np);
+	if (pdev->irq)
+		free_irq(pdev->irq, np);
 	if (np->s.ioaddr)
 		pci_iounmap(pdev, np->s.ioaddr);
 	if (np->s.ramaddr)
@@ -1356,31 +1257,6 @@ static void sym_free_resources(struct sym_hcb *np, struct pci_dev *pdev)
 }
 
 /*
- *  Ask/tell the system about DMA addressing.
- */
-static int sym_setup_bus_dma_mask(struct sym_hcb *np)
-{
-#if SYM_CONF_DMA_ADDRESSING_MODE > 0
-#if   SYM_CONF_DMA_ADDRESSING_MODE == 1
-#define	DMA_DAC_MASK	DMA_40BIT_MASK
-#elif SYM_CONF_DMA_ADDRESSING_MODE == 2
-#define	DMA_DAC_MASK	DMA_64BIT_MASK
-#endif
-	if ((np->features & FE_DAC) &&
-			!pci_set_dma_mask(np->s.device, DMA_DAC_MASK)) {
-		np->use_dac = 1;
-		return 0;
-	}
-#endif
-
-	if (!pci_set_dma_mask(np->s.device, DMA_32BIT_MASK))
-		return 0;
-
-	printf_warning("%s: No suitable DMA available\n", sym_name(np));
-	return -1;
-}
-
-/*
  *  Host attach and initialisations.
  *
  *  Allocate host data and ncb structure.
@@ -1392,32 +1268,28 @@ static int sym_setup_bus_dma_mask(struct sym_hcb *np)
 static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt,
 		int unit, struct sym_device *dev)
 {
-	struct host_data *host_data;
+	struct sym_data *sym_data;
 	struct sym_hcb *np = NULL;
-	struct Scsi_Host *instance = NULL;
+	struct Scsi_Host *shost;
 	struct pci_dev *pdev = dev->pdev;
 	unsigned long flags;
 	struct sym_fw *fw;
 
-	printk(KERN_INFO
-		"sym%d: <%s> rev 0x%x at pci %s irq " IRQ_FMT "\n",
-		unit, dev->chip.name, dev->chip.revision_id,
-		pci_name(pdev), IRQ_PRM(pdev->irq));
+	printk(KERN_INFO "sym%d: <%s> rev 0x%x at pci %s irq %u\n",
+		unit, dev->chip.name, pdev->revision, pci_name(pdev),
+		pdev->irq);
 
 	/*
 	 *  Get the firmware for this chip.
 	 */
 	fw = sym_find_firmware(&dev->chip);
 	if (!fw)
-		goto attach_failed;
+		return NULL;
 
-	/*
-	 *	Allocate host_data structure
-	 */
-	instance = scsi_host_alloc(tpnt, sizeof(*host_data));
-	if (!instance)
-		goto attach_failed;
-	host_data = (struct host_data *) instance->hostdata;
+	shost = scsi_host_alloc(tpnt, sizeof(*sym_data));
+	if (!shost)
+		return NULL;
+	sym_data = shost_priv(shost);
 
 	/*
 	 *  Allocate immediately the host control block, 
@@ -1428,22 +1300,19 @@ static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt,
 	np = __sym_calloc_dma(&pdev->dev, sizeof(*np), "HCB");
 	if (!np)
 		goto attach_failed;
-	np->s.device = pdev;
 	np->bus_dmat = &pdev->dev; /* Result in 1 DMA pool per HBA */
-	host_data->ncb = np;
-	np->s.host = instance;
+	sym_data->ncb = np;
+	sym_data->pdev = pdev;
+	np->s.host = shost;
 
-	pci_set_drvdata(pdev, np);
+	pci_set_drvdata(pdev, shost);
 
 	/*
 	 *  Copy some useful infos to the HCB.
 	 */
 	np->hcb_ba	= vtobus(np);
 	np->verbose	= sym_driver_setup.verbose;
-	np->s.device	= pdev;
 	np->s.unit	= unit;
-	np->device_id	= dev->chip.device_id;
-	np->revision_id	= dev->chip.revision_id;
 	np->features	= dev->chip.features;
 	np->clock_divn	= dev->chip.nr_divisor;
 	np->maxoffs	= dev->chip.offset_max;
@@ -1456,8 +1325,13 @@ static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt,
 	strlcpy(np->s.chip_name, dev->chip.name, sizeof(np->s.chip_name));
 	sprintf(np->s.inst_name, "sym%d", np->s.unit);
 
-	if (sym_setup_bus_dma_mask(np))
+	if ((SYM_CONF_DMA_ADDRESSING_MODE > 0) && (np->features & FE_DAC) &&
+			!pci_set_dma_mask(pdev, DMA_DAC_MASK)) {
+		set_dac(np);
+	} else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
+		printf_warning("%s: No suitable DMA available\n", sym_name(np));
 		goto attach_failed;
+	}
 
 	/*
 	 *  Try to map the controller chip to
@@ -1466,19 +1340,16 @@ static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt,
 	np->mmio_ba = (u32)dev->mmio_base;
 	np->s.ioaddr	= dev->s.ioaddr;
 	np->s.ramaddr	= dev->s.ramaddr;
-	np->s.io_ws = (np->features & FE_IO256) ? 256 : 128;
 
 	/*
 	 *  Map on-chip RAM if present and supported.
 	 */
 	if (!(np->features & FE_RAM))
 		dev->ram_base = 0;
-	if (dev->ram_base) {
+	if (dev->ram_base)
 		np->ram_ba = (u32)dev->ram_base;
-		np->ram_ws = (np->features & FE_RAM8K) ? 8192 : 4096;
-	}
 
-	if (sym_hcb_attach(instance, fw, dev->nvram))
+	if (sym_hcb_attach(shost, fw, dev->nvram))
 		goto attach_failed;
 
 	/*
@@ -1486,25 +1357,25 @@ static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt,
 	 *  If we synchonize the C code with SCRIPTS on interrupt, 
 	 *  we do not want to share the INTR line at all.
 	 */
-	if (request_irq(pdev->irq, sym53c8xx_intr, IRQF_SHARED, NAME53C8XX, np)) {
-		printf_err("%s: request irq %d failure\n",
+	if (request_irq(pdev->irq, sym53c8xx_intr, IRQF_SHARED, NAME53C8XX,
+			shost)) {
+		printf_err("%s: request irq %u failure\n",
 			sym_name(np), pdev->irq);
 		goto attach_failed;
 	}
-	np->s.irq = pdev->irq;
 
 	/*
 	 *  After SCSI devices have been opened, we cannot
 	 *  reset the bus safely, so we do it here.
 	 */
-	spin_lock_irqsave(instance->host_lock, flags);
+	spin_lock_irqsave(shost->host_lock, flags);
 	if (sym_reset_scsi_bus(np, 0))
 		goto reset_failed;
 
 	/*
 	 *  Start the SCRIPTS.
 	 */
-	sym_start_up (np, 1);
+	sym_start_up(shost, 1);
 
 	/*
 	 *  Start the timer daemon
@@ -1519,33 +1390,37 @@ static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt,
 	 *  Fill Linux host instance structure
 	 *  and return success.
 	 */
-	instance->max_channel	= 0;
-	instance->this_id	= np->myaddr;
-	instance->max_id	= np->maxwide ? 16 : 8;
-	instance->max_lun	= SYM_CONF_MAX_LUN;
-	instance->unique_id	= pci_resource_start(pdev, 0);
-	instance->cmd_per_lun	= SYM_CONF_MAX_TAG;
-	instance->can_queue	= (SYM_CONF_MAX_START-2);
-	instance->sg_tablesize	= SYM_CONF_MAX_SG;
-	instance->max_cmd_len	= 16;
+	shost->max_channel	= 0;
+	shost->this_id		= np->myaddr;
+	shost->max_id		= np->maxwide ? 16 : 8;
+	shost->max_lun		= SYM_CONF_MAX_LUN;
+	shost->unique_id	= pci_resource_start(pdev, 0);
+	shost->cmd_per_lun	= SYM_CONF_MAX_TAG;
+	shost->can_queue	= (SYM_CONF_MAX_START-2);
+	shost->sg_tablesize	= SYM_CONF_MAX_SG;
+	shost->max_cmd_len	= 16;
 	BUG_ON(sym2_transport_template == NULL);
-	instance->transportt	= sym2_transport_template;
+	shost->transportt	= sym2_transport_template;
+
+	/* 53c896 rev 1 errata: DMA may not cross 16MB boundary */
+	if (pdev->device == PCI_DEVICE_ID_NCR_53C896 && pdev->revision < 2)
+		shost->dma_boundary = 0xFFFFFF;
 
-	spin_unlock_irqrestore(instance->host_lock, flags);
+	spin_unlock_irqrestore(shost->host_lock, flags);
 
-	return instance;
+	return shost;
 
  reset_failed:
 	printf_err("%s: FATAL ERROR: CHECK SCSI BUS - CABLES, "
 		   "TERMINATION, DEVICE POWER etc.!\n", sym_name(np));
-	spin_unlock_irqrestore(instance->host_lock, flags);
+	spin_unlock_irqrestore(shost->host_lock, flags);
  attach_failed:
-	if (!instance)
+	if (!shost)
 		return NULL;
 	printf_info("%s: giving up ...\n", sym_name(np));
 	if (np)
 		sym_free_resources(np, pdev);
-	scsi_host_put(instance);
+	scsi_host_put(shost);
 
 	return NULL;
  }
@@ -1558,7 +1433,6 @@ static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt,
 static void __devinit sym_get_nvram(struct sym_device *devp, struct sym_nvram *nvp)
 {
 	devp->nvram = nvp;
-	devp->device_id = devp->chip.device_id;
 	nvp->type = 0;
 
 	sym_read_nvram(devp, nvp);
@@ -1573,7 +1447,6 @@ static int __devinit sym_check_supported(struct sym_device *device)
 {
 	struct sym_chip *chip;
 	struct pci_dev *pdev = device->pdev;
-	u_char revision;
 	unsigned long io_port = pci_resource_start(pdev, 0);
 	int i;
 
@@ -1593,14 +1466,12 @@ static int __devinit sym_check_supported(struct sym_device *device)
 	 * to our device structure so we can make it match the actual device
 	 * and options.
 	 */
-	pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);
-	chip = sym_lookup_chip_table(pdev->device, revision);
+	chip = sym_lookup_chip_table(pdev->device, pdev->revision);
 	if (!chip) {
 		dev_info(&pdev->dev, "device not supported\n");
 		return -ENODEV;
 	}
 	memcpy(&device->chip, chip, sizeof(device->chip));
-	device->chip.revision_id = revision;
 
 	return 0;
 }
@@ -1641,7 +1512,7 @@ static int __devinit sym_set_workarounds(struct sym_device *device)
 	 *  We must ensure the chip will use WRITE AND INVALIDATE.
 	 *  The revision number limit is for now arbitrary.
 	 */
-	if (pdev->device == PCI_DEVICE_ID_NCR_53C896 && chip->revision_id < 0x4) {
+	if (pdev->device == PCI_DEVICE_ID_NCR_53C896 && pdev->revision < 0x4) {
 		chip->features	|= (FE_WRIE | FE_CLSE);
 	}
 
@@ -1769,8 +1640,9 @@ static void sym_config_pqs(struct pci_dev *pdev, struct sym_device *sym_dev)
  *  Detach the host.
  *  We have to free resources and halt the NCR chip.
  */
-static int sym_detach(struct sym_hcb *np, struct pci_dev *pdev)
+static int sym_detach(struct Scsi_Host *shost, struct pci_dev *pdev)
 {
+	struct sym_hcb *np = sym_get_hcb(shost);
 	printk("%s: detaching ...\n", sym_name(np));
 
 	del_timer_sync(&np->s.timer);
@@ -1823,7 +1695,7 @@ static int __devinit sym2_probe(struct pci_dev *pdev,
 {
 	struct sym_device sym_dev;
 	struct sym_nvram nvram;
-	struct Scsi_Host *instance;
+	struct Scsi_Host *shost;
 
 	memset(&sym_dev, 0, sizeof(sym_dev));
 	memset(&nvram, 0, sizeof(nvram));
@@ -1850,13 +1722,13 @@ static int __devinit sym2_probe(struct pci_dev *pdev,
 
 	sym_get_nvram(&sym_dev, &nvram);
 
-	instance = sym_attach(&sym2_template, attach_count, &sym_dev);
-	if (!instance)
+	shost = sym_attach(&sym2_template, attach_count, &sym_dev);
+	if (!shost)
 		goto free;
 
-	if (scsi_add_host(instance, &pdev->dev))
+	if (scsi_add_host(shost, &pdev->dev))
 		goto detach;
-	scsi_scan_host(instance);
+	scsi_scan_host(shost);
 
 	attach_count++;
 
@@ -1874,20 +1746,143 @@ static int __devinit sym2_probe(struct pci_dev *pdev,
 
 static void __devexit sym2_remove(struct pci_dev *pdev)
 {
-	struct sym_hcb *np = pci_get_drvdata(pdev);
-	struct Scsi_Host *host = np->s.host;
-
-	scsi_remove_host(host);
-	scsi_host_put(host);
-
-	sym_detach(np, pdev);
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
 
+	scsi_remove_host(shost);
+	scsi_host_put(shost);
+	sym_detach(shost, pdev);
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
 
 	attach_count--;
 }
 
+/**
+ * sym2_io_error_detected() - called when PCI error is detected
+ * @pdev: pointer to PCI device
+ * @state: current state of the PCI slot
+ */
+static pci_ers_result_t sym2_io_error_detected(struct pci_dev *pdev,
+                                         enum pci_channel_state state)
+{
+	/* If slot is permanently frozen, turn everything off */
+	if (state == pci_channel_io_perm_failure) {
+		sym2_remove(pdev);
+		return PCI_ERS_RESULT_DISCONNECT;
+	}
+
+	disable_irq(pdev->irq);
+	pci_disable_device(pdev);
+
+	/* Request that MMIO be enabled, so register dump can be taken. */
+	return PCI_ERS_RESULT_CAN_RECOVER;
+}
+
+/**
+ * sym2_io_slot_dump - Enable MMIO and dump debug registers
+ * @pdev: pointer to PCI device
+ */
+static pci_ers_result_t sym2_io_slot_dump(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+
+	sym_dump_registers(shost);
+
+	/* Request a slot reset. */
+	return PCI_ERS_RESULT_NEED_RESET;
+}
+
+/**
+ * sym2_reset_workarounds - hardware-specific work-arounds
+ *
+ * This routine is similar to sym_set_workarounds(), except
+ * that, at this point, we already know that the device was
+ * succesfully intialized at least once before, and so most
+ * of the steps taken there are un-needed here.
+ */
+static void sym2_reset_workarounds(struct pci_dev *pdev)
+{
+	u_short status_reg;
+	struct sym_chip *chip;
+
+	chip = sym_lookup_chip_table(pdev->device, pdev->revision);
+
+	/* Work around for errant bit in 895A, in a fashion
+	 * similar to what is done in sym_set_workarounds().
+	 */
+	pci_read_config_word(pdev, PCI_STATUS, &status_reg);
+	if (!(chip->features & FE_66MHZ) && (status_reg & PCI_STATUS_66MHZ)) {
+		status_reg = PCI_STATUS_66MHZ;
+		pci_write_config_word(pdev, PCI_STATUS, status_reg);
+		pci_read_config_word(pdev, PCI_STATUS, &status_reg);
+	}
+}
+
+/**
+ * sym2_io_slot_reset() - called when the pci bus has been reset.
+ * @pdev: pointer to PCI device
+ *
+ * Restart the card from scratch.
+ */
+static pci_ers_result_t sym2_io_slot_reset(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct sym_hcb *np = sym_get_hcb(shost);
+
+	printk(KERN_INFO "%s: recovering from a PCI slot reset\n",
+	          sym_name(np));
+
+	if (pci_enable_device(pdev)) {
+		printk(KERN_ERR "%s: Unable to enable after PCI reset\n",
+		        sym_name(np));
+		return PCI_ERS_RESULT_DISCONNECT;
+	}
+
+	pci_set_master(pdev);
+	enable_irq(pdev->irq);
+
+	/* If the chip can do Memory Write Invalidate, enable it */
+	if (np->features & FE_WRIE) {
+		if (pci_set_mwi(pdev))
+			return PCI_ERS_RESULT_DISCONNECT;
+	}
+
+	/* Perform work-arounds, analogous to sym_set_workarounds() */
+	sym2_reset_workarounds(pdev);
+
+	/* Perform host reset only on one instance of the card */
+	if (PCI_FUNC(pdev->devfn) == 0) {
+		if (sym_reset_scsi_bus(np, 0)) {
+			printk(KERN_ERR "%s: Unable to reset scsi host\n",
+			        sym_name(np));
+			return PCI_ERS_RESULT_DISCONNECT;
+		}
+		sym_start_up(shost, 1);
+	}
+
+	return PCI_ERS_RESULT_RECOVERED;
+}
+
+/**
+ * sym2_io_resume() - resume normal ops after PCI reset
+ * @pdev: pointer to PCI device
+ *
+ * Called when the error recovery driver tells us that its
+ * OK to resume normal operation. Use completion to allow
+ * halted scsi ops to resume.
+ */
+static void sym2_io_resume(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct sym_data *sym_data = shost_priv(shost);
+
+	spin_lock_irq(shost->host_lock);
+	if (sym_data->io_reset)
+		complete_all(sym_data->io_reset);
+	sym_data->io_reset = NULL;
+	spin_unlock_irq(shost->host_lock);
+}
+
 static void sym2_get_signalling(struct Scsi_Host *shost)
 {
 	struct sym_hcb *np = sym_get_hcb(shost);
@@ -2050,11 +2045,19 @@ static struct pci_device_id sym2_id_table[] __devinitdata = {
 
 MODULE_DEVICE_TABLE(pci, sym2_id_table);
 
+static struct pci_error_handlers sym2_err_handler = {
+	.error_detected	= sym2_io_error_detected,
+	.mmio_enabled	= sym2_io_slot_dump,
+	.slot_reset	= sym2_io_slot_reset,
+	.resume		= sym2_io_resume,
+};
+
 static struct pci_driver sym2_driver = {
 	.name		= NAME53C8XX,
 	.id_table	= sym2_id_table,
 	.probe		= sym2_probe,
 	.remove		= __devexit_p(sym2_remove),
+	.err_handler 	= &sym2_err_handler,
 };
 
 static int __init sym2_init(void)
diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.h b/drivers/scsi/sym53c8xx_2/sym_glue.h
index 0f097ba4f712..567fbe0b4f09 100644
--- a/drivers/scsi/sym53c8xx_2/sym_glue.h
+++ b/drivers/scsi/sym53c8xx_2/sym_glue.h
@@ -40,7 +40,9 @@
 #ifndef SYM_GLUE_H
 #define SYM_GLUE_H
 
+#include <linux/completion.h>
 #include <linux/delay.h>
+#include <linux/interrupt.h>
 #include <linux/ioport.h>
 #include <linux/pci.h>
 #include <linux/string.h>
@@ -177,14 +179,11 @@ struct sym_shcb {
 	int		unit;
 	char		inst_name[16];
 	char		chip_name[8];
-	struct pci_dev	*device;
 
 	struct Scsi_Host *host;
 
 	void __iomem *	ioaddr;		/* MMIO kernel io address	*/
 	void __iomem *	ramaddr;	/* RAM  kernel io address	*/
-	u_short		io_ws;		/* IO window size		*/
-	int		irq;		/* IRQ number			*/
 
 	struct timer_list timer;	/* Timer handler link header	*/
 	u_long		lasttime;
@@ -212,20 +211,21 @@ struct sym_device {
 	} s;
 	struct sym_chip chip;
 	struct sym_nvram *nvram;
-	u_short device_id;
 	u_char host_id;
 };
 
 /*
  *  Driver host data structure.
  */
-struct host_data {
+struct sym_data {
 	struct sym_hcb *ncb;
+	struct completion *io_reset;		/* PCI error handling */
+	struct pci_dev *pdev;
 };
 
 static inline struct sym_hcb * sym_get_hcb(struct Scsi_Host *host)
 {
-	return ((struct host_data *)host->hostdata)->ncb;
+	return ((struct sym_data *)host->hostdata)->ncb;
 }
 
 #include "sym_fw.h"
@@ -263,8 +263,8 @@ void sym_set_cam_result_error(struct sym_hcb *np, struct sym_ccb *cp, int resid)
 void sym_xpt_done(struct sym_hcb *np, struct scsi_cmnd *ccb);
 #define sym_print_addr(cmd, arg...) dev_info(&cmd->device->sdev_gendev , ## arg)
 void sym_xpt_async_bus_reset(struct sym_hcb *np);
-void sym_xpt_async_sent_bdr(struct sym_hcb *np, int target);
 int  sym_setup_data_and_start (struct sym_hcb *np, struct scsi_cmnd *csio, struct sym_ccb *cp);
-void sym_log_bus_error(struct sym_hcb *np);
+void sym_log_bus_error(struct Scsi_Host *);
+void sym_dump_registers(struct Scsi_Host *);
 
 #endif /* SYM_GLUE_H */
diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c
index 21cd4c7f5289..463f119f20e9 100644
--- a/drivers/scsi/sym53c8xx_2/sym_hipd.c
+++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c
@@ -52,7 +52,7 @@
  *  Needed function prototypes.
  */
 static void sym_int_ma (struct sym_hcb *np);
-static void sym_int_sir (struct sym_hcb *np);
+static void sym_int_sir(struct sym_hcb *);
 static struct sym_ccb *sym_alloc_ccb(struct sym_hcb *np);
 static struct sym_ccb *sym_ccb_from_dsa(struct sym_hcb *np, u32 dsa);
 static void sym_alloc_lcb_tags (struct sym_hcb *np, u_char tn, u_char ln);
@@ -684,6 +684,8 @@ static void sym_set_bus_mode(struct sym_hcb *np, struct sym_nvram *nvram)
  */
 static int sym_prepare_setting(struct Scsi_Host *shost, struct sym_hcb *np, struct sym_nvram *nvram)
 {
+	struct sym_data *sym_data = shost_priv(shost);
+	struct pci_dev *pdev = sym_data->pdev;
 	u_char	burst_max;
 	u32	period;
 	int i;
@@ -778,19 +780,12 @@ static int sym_prepare_setting(struct Scsi_Host *shost, struct sym_hcb *np, stru
 	 *  64 bit addressing  (895A/896/1010) ?
 	 */
 	if (np->features & FE_DAC) {
-#if   SYM_CONF_DMA_ADDRESSING_MODE == 0
-		np->rv_ccntl1	|= (DDAC);
-#elif SYM_CONF_DMA_ADDRESSING_MODE == 1
-		if (!np->use_dac)
-			np->rv_ccntl1	|= (DDAC);
-		else
-			np->rv_ccntl1	|= (XTIMOD | EXTIBMV);
-#elif SYM_CONF_DMA_ADDRESSING_MODE == 2
-		if (!np->use_dac)
-			np->rv_ccntl1	|= (DDAC);
-		else
-			np->rv_ccntl1	|= (0 | EXTIBMV);
-#endif
+		if (!use_dac(np))
+			np->rv_ccntl1 |= (DDAC);
+		else if (SYM_CONF_DMA_ADDRESSING_MODE == 1)
+			np->rv_ccntl1 |= (XTIMOD | EXTIBMV);
+		else if (SYM_CONF_DMA_ADDRESSING_MODE == 2)
+			np->rv_ccntl1 |= (0 | EXTIBMV);
 	}
 
 	/*
@@ -804,8 +799,8 @@ static int sym_prepare_setting(struct Scsi_Host *shost, struct sym_hcb *np, stru
 	 *  In dual channel mode, contention occurs if internal cycles
 	 *  are used. Disable internal cycles.
 	 */
-	if (np->device_id == PCI_DEVICE_ID_LSI_53C1010_33 &&
-	    np->revision_id < 0x1)
+	if (pdev->device == PCI_DEVICE_ID_LSI_53C1010_33 &&
+	    pdev->revision < 0x1)
 		np->rv_ccntl0	|=  DILS;
 
 	/*
@@ -828,10 +823,10 @@ static int sym_prepare_setting(struct Scsi_Host *shost, struct sym_hcb *np, stru
 	 *  this driver. The generic ncr driver that does not use 
 	 *  LOAD/STORE instructions does not need this work-around.
 	 */
-	if ((np->device_id == PCI_DEVICE_ID_NCR_53C810 &&
-	     np->revision_id >= 0x10 && np->revision_id <= 0x11) ||
-	    (np->device_id == PCI_DEVICE_ID_NCR_53C860 &&
-	     np->revision_id <= 0x1))
+	if ((pdev->device == PCI_DEVICE_ID_NCR_53C810 &&
+	     pdev->revision >= 0x10 && pdev->revision <= 0x11) ||
+	    (pdev->device == PCI_DEVICE_ID_NCR_53C860 &&
+	     pdev->revision <= 0x1))
 		np->features &= ~(FE_WRIE|FE_ERL|FE_ERMP);
 
 	/*
@@ -897,7 +892,7 @@ static int sym_prepare_setting(struct Scsi_Host *shost, struct sym_hcb *np, stru
 	if ((SYM_SETUP_SCSI_LED || 
 	     (nvram->type == SYM_SYMBIOS_NVRAM ||
 	      (nvram->type == SYM_TEKRAM_NVRAM &&
-	       np->device_id == PCI_DEVICE_ID_NCR_53C895))) &&
+	       pdev->device == PCI_DEVICE_ID_NCR_53C895))) &&
 	    !(np->features & FE_LEDC) && !(np->sv_gpcntl & 0x01))
 		np->features |= FE_LED0;
 
@@ -1135,8 +1130,9 @@ restart_test:
  *  First 24 register of the chip:
  *  	r0..rf
  */
-static void sym_log_hard_error(struct sym_hcb *np, u_short sist, u_char dstat)
+static void sym_log_hard_error(struct Scsi_Host *shost, u_short sist, u_char dstat)
 {
+	struct sym_hcb *np = sym_get_hcb(shost);
 	u32	dsp;
 	int	script_ofs;
 	int	script_size;
@@ -1180,16 +1176,27 @@ static void sym_log_hard_error(struct sym_hcb *np, u_short sist, u_char dstat)
 			scr_to_cpu((int) *(u32 *)(script_base + script_ofs)));
 	}
 
-        printf ("%s: regdump:", sym_name(np));
-        for (i=0; i<24;i++)
-            printf (" %02x", (unsigned)INB_OFF(np, i));
-        printf (".\n");
+	printf("%s: regdump:", sym_name(np));
+	for (i = 0; i < 24; i++)
+		printf(" %02x", (unsigned)INB_OFF(np, i));
+	printf(".\n");
 
 	/*
 	 *  PCI BUS error.
 	 */
 	if (dstat & (MDPE|BF))
-		sym_log_bus_error(np);
+		sym_log_bus_error(shost);
+}
+
+void sym_dump_registers(struct Scsi_Host *shost)
+{
+	struct sym_hcb *np = sym_get_hcb(shost);
+	u_short sist;
+	u_char dstat;
+
+	sist = INW(np, nc_sist);
+	dstat = INB(np, nc_dstat);
+	sym_log_hard_error(shost, sist, dstat);
 }
 
 static struct sym_chip sym_dev_table[] = {
@@ -1312,7 +1319,7 @@ int sym_lookup_dmap(struct sym_hcb *np, u32 h, int s)
 {
 	int i;
 
-	if (!np->use_dac)
+	if (!use_dac(np))
 		goto weird;
 
 	/* Look up existing mappings */
@@ -1519,7 +1526,8 @@ void sym_put_start_queue(struct sym_hcb *np, struct sym_ccb *cp)
 	np->squeueput = qidx;
 
 	if (DEBUG_FLAGS & DEBUG_QUEUE)
-		printf ("%s: queuepos=%d.\n", sym_name (np), np->squeueput);
+		scmd_printk(KERN_DEBUG, cp->cmd, "queuepos=%d\n",
+							np->squeueput);
 
 	/*
 	 *  Script processor may be waiting for reselect.
@@ -1696,8 +1704,11 @@ static void sym_flush_busy_queue (struct sym_hcb *np, int cam_status)
  *     1: SCSI BUS RESET delivered or received.
  *     2: SCSI BUS MODE changed.
  */
-void sym_start_up (struct sym_hcb *np, int reason)
+void sym_start_up(struct Scsi_Host *shost, int reason)
 {
+	struct sym_data *sym_data = shost_priv(shost);
+	struct pci_dev *pdev = sym_data->pdev;
+	struct sym_hcb *np = sym_data->ncb;
  	int	i;
 	u32	phys;
 
@@ -1746,7 +1757,7 @@ void sym_start_up (struct sym_hcb *np, int reason)
 	 *  This also let point to first position the start 
 	 *  and done queue pointers used from SCRIPTS.
 	 */
-	np->fw_patch(np);
+	np->fw_patch(shost);
 
 	/*
 	 *  Wakeup all pending jobs.
@@ -1788,7 +1799,7 @@ void sym_start_up (struct sym_hcb *np, int reason)
 	/*
 	 *  For now, disable AIP generation on C1010-66.
 	 */
-	if (np->device_id == PCI_DEVICE_ID_LSI_53C1010_66)
+	if (pdev->device == PCI_DEVICE_ID_LSI_53C1010_66)
 		OUTB(np, nc_aipcntl1, DISAIP);
 
 	/*
@@ -1798,8 +1809,8 @@ void sym_start_up (struct sym_hcb *np, int reason)
 	 *  that from SCRIPTS for each selection/reselection, but 
 	 *  I just don't want. :)
 	 */
-	if (np->device_id == PCI_DEVICE_ID_LSI_53C1010_33 &&
-	    np->revision_id < 1)
+	if (pdev->device == PCI_DEVICE_ID_LSI_53C1010_33 &&
+	    pdev->revision < 1)
 		OUTB(np, nc_stest1, INB(np, nc_stest1) | 0x30);
 
 	/*
@@ -1807,9 +1818,9 @@ void sym_start_up (struct sym_hcb *np, int reason)
 	 *  Disable overlapped arbitration for some dual function devices, 
 	 *  regardless revision id (kind of post-chip-design feature. ;-))
 	 */
-	if (np->device_id == PCI_DEVICE_ID_NCR_53C875)
+	if (pdev->device == PCI_DEVICE_ID_NCR_53C875)
 		OUTB(np, nc_ctest0, (1<<5));
-	else if (np->device_id == PCI_DEVICE_ID_NCR_53C896)
+	else if (pdev->device == PCI_DEVICE_ID_NCR_53C896)
 		np->rv_ccntl0 |= DPR;
 
 	/*
@@ -1827,7 +1838,7 @@ void sym_start_up (struct sym_hcb *np, int reason)
 	 *  Set up scratch C and DRS IO registers to map the 32 bit 
 	 *  DMA address range our data structures are located in.
 	 */
-	if (np->use_dac) {
+	if (use_dac(np)) {
 		np->dmap_bah[0] = 0;	/* ??? */
 		OUTL(np, nc_scrx[0], np->dmap_bah[0]);
 		OUTL(np, nc_drs, np->dmap_bah[0]);
@@ -1900,7 +1911,7 @@ void sym_start_up (struct sym_hcb *np, int reason)
 		if (sym_verbose >= 2)
 			printf("%s: Downloading SCSI SCRIPTS.\n", sym_name(np));
 		memcpy_toio(np->s.ramaddr, np->scripta0, np->scripta_sz);
-		if (np->ram_ws == 8192) {
+		if (np->features & FE_RAM8K) {
 			memcpy_toio(np->s.ramaddr + 4096, np->scriptb0, np->scriptb_sz);
 			phys = scr_to_cpu(np->scr_ram_seg);
 			OUTL(np, nc_mmws, phys);
@@ -2214,8 +2225,9 @@ static void sym_int_udc (struct sym_hcb *np)
  *  mode to eight bit asynchronous, etc...
  *  So, just reinitializing all except chip should be enough.
  */
-static void sym_int_sbmc (struct sym_hcb *np)
+static void sym_int_sbmc(struct Scsi_Host *shost)
 {
+	struct sym_hcb *np = sym_get_hcb(shost);
 	u_char scsi_mode = INB(np, nc_stest4) & SMODE;
 
 	/*
@@ -2228,7 +2240,7 @@ static void sym_int_sbmc (struct sym_hcb *np)
 	 *  Should suspend command processing for a few seconds and 
 	 *  reinitialize all except the chip.
 	 */
-	sym_start_up (np, 2);
+	sym_start_up(shost, 2);
 }
 
 /*
@@ -2756,8 +2768,11 @@ reset_all:
  *  Use at your own decision and risk.
  */
 
-void sym_interrupt (struct sym_hcb *np)
+irqreturn_t sym_interrupt(struct Scsi_Host *shost)
 {
+	struct sym_data *sym_data = shost_priv(shost);
+	struct sym_hcb *np = sym_data->ncb;
+	struct pci_dev *pdev = sym_data->pdev;
 	u_char	istat, istatc;
 	u_char	dstat;
 	u_short	sist;
@@ -2782,7 +2797,7 @@ void sym_interrupt (struct sym_hcb *np)
 	}
 
 	if (!(istat & (SIP|DIP)))
-		return;
+		return (istat & INTF) ? IRQ_HANDLED : IRQ_NONE;
 
 #if 0	/* We should never get this one */
 	if (istat & CABRT)
@@ -2809,6 +2824,13 @@ void sym_interrupt (struct sym_hcb *np)
 			dstat |= INB(np, nc_dstat);
 		istatc = INB(np, nc_istat);
 		istat |= istatc;
+
+		/* Prevent deadlock waiting on a condition that may
+		 * never clear. */
+		if (unlikely(sist == 0xffff && dstat == 0xff)) {
+			if (pci_channel_offline(pdev))
+				return IRQ_NONE;
+		}
 	} while (istatc & (SIP|DIP));
 
 	if (DEBUG_FLAGS & DEBUG_TINY)
@@ -2842,10 +2864,10 @@ void sym_interrupt (struct sym_hcb *np)
 	    !(dstat & (MDPE|BF|ABRT|IID))) {
 		if	(sist & PAR)	sym_int_par (np, sist);
 		else if (sist & MA)	sym_int_ma (np);
-		else if (dstat & SIR)	sym_int_sir (np);
+		else if (dstat & SIR)	sym_int_sir(np);
 		else if (dstat & SSI)	OUTONB_STD();
 		else			goto unknown_int;
-		return;
+		return IRQ_HANDLED;
 	}
 
 	/*
@@ -2861,8 +2883,8 @@ void sym_interrupt (struct sym_hcb *np)
 	 */
 	if (sist & RST) {
 		printf("%s: SCSI BUS reset detected.\n", sym_name(np));
-		sym_start_up (np, 1);
-		return;
+		sym_start_up(shost, 1);
+		return IRQ_HANDLED;
 	}
 
 	OUTB(np, nc_ctest3, np->rv_ctest3 | CLF);	/* clear dma fifo  */
@@ -2870,11 +2892,11 @@ void sym_interrupt (struct sym_hcb *np)
 
 	if (!(sist  & (GEN|HTH|SGE)) &&
 	    !(dstat & (MDPE|BF|ABRT|IID))) {
-		if	(sist & SBMC)	sym_int_sbmc (np);
+		if	(sist & SBMC)	sym_int_sbmc(shost);
 		else if (sist & STO)	sym_int_sto (np);
 		else if (sist & UDC)	sym_int_udc (np);
 		else			goto unknown_int;
-		return;
+		return IRQ_HANDLED;
 	}
 
 	/*
@@ -2884,12 +2906,12 @@ void sym_interrupt (struct sym_hcb *np)
 	 *  Reset everything.
 	 */
 
-	sym_log_hard_error(np, sist, dstat);
+	sym_log_hard_error(shost, sist, dstat);
 
 	if ((sist & (GEN|HTH|SGE)) ||
 		(dstat & (MDPE|BF|ABRT|IID))) {
 		sym_start_reset(np);
-		return;
+		return IRQ_HANDLED;
 	}
 
 unknown_int:
@@ -2900,6 +2922,7 @@ unknown_int:
 	printf(	"%s: unknown interrupt(s) ignored, "
 		"ISTAT=0x%x DSTAT=0x%x SIST=0x%x\n",
 		sym_name(np), istat, dstat, sist);
+	return IRQ_NONE;
 }
 
 /*
@@ -3520,7 +3543,8 @@ static void sym_sir_task_recovery(struct sym_hcb *np, int num)
 		 *  If we sent a BDR, make upper layer aware of that.
  		 */
 		if (np->abrt_msg[0] == M_RESET)
-			sym_xpt_async_sent_bdr(np, target);
+			starget_printk(KERN_NOTICE, starget,
+							"has been reset\n");
 		break;
 	}
 
@@ -4304,7 +4328,7 @@ static void sym_nego_rejected(struct sym_hcb *np, struct sym_tcb *tp, struct sym
 /*
  *  chip exception handler for programmed interrupts.
  */
-static void sym_int_sir (struct sym_hcb *np)
+static void sym_int_sir(struct sym_hcb *np)
 {
 	u_char	num	= INB(np, nc_dsps);
 	u32	dsa	= INL(np, nc_dsa);
@@ -4343,31 +4367,30 @@ static void sym_int_sir (struct sym_hcb *np)
 		return;
 	/*
 	 *  The device didn't go to MSG OUT phase after having 
-	 *  been selected with ATN. We donnot want to handle 
-	 *  that.
+	 *  been selected with ATN.  We do not want to handle that.
 	 */
 	case SIR_SEL_ATN_NO_MSG_OUT:
-		printf ("%s:%d: No MSG OUT phase after selection with ATN.\n",
-			sym_name (np), target);
+		scmd_printk(KERN_WARNING, cp->cmd,
+				"No MSG OUT phase after selection with ATN\n");
 		goto out_stuck;
 	/*
 	 *  The device didn't switch to MSG IN phase after 
-	 *  having reseleted the initiator.
+	 *  having reselected the initiator.
 	 */
 	case SIR_RESEL_NO_MSG_IN:
-		printf ("%s:%d: No MSG IN phase after reselection.\n",
-			sym_name (np), target);
+		scmd_printk(KERN_WARNING, cp->cmd,
+				"No MSG IN phase after reselection\n");
 		goto out_stuck;
 	/*
 	 *  After reselection, the device sent a message that wasn't 
 	 *  an IDENTIFY.
 	 */
 	case SIR_RESEL_NO_IDENTIFY:
-		printf ("%s:%d: No IDENTIFY after reselection.\n",
-			sym_name (np), target);
+		scmd_printk(KERN_WARNING, cp->cmd,
+				"No IDENTIFY after reselection\n");
 		goto out_stuck;
 	/*
-	 *  The device reselected a LUN we donnot know about.
+	 *  The device reselected a LUN we do not know about.
 	 */
 	case SIR_RESEL_BAD_LUN:
 		np->msgout[0] = M_RESET;
@@ -4380,8 +4403,7 @@ static void sym_int_sir (struct sym_hcb *np)
 		np->msgout[0] = M_ABORT;
 		goto out;
 	/*
-	 *  The device reselected for a tagged nexus that we donnot 
-	 *  have.
+	 * The device reselected for a tagged nexus that we do not have.
 	 */
 	case SIR_RESEL_BAD_I_T_L_Q:
 		np->msgout[0] = M_ABORT_TAG;
@@ -4393,8 +4415,8 @@ static void sym_int_sir (struct sym_hcb *np)
 	case SIR_RESEL_ABORTED:
 		np->lastmsg = np->msgout[0];
 		np->msgout[0] = M_NOOP;
-		printf ("%s:%d: message %x sent on bad reselection.\n",
-			sym_name (np), target, np->lastmsg);
+		scmd_printk(KERN_WARNING, cp->cmd,
+			"message %x sent on bad reselection\n", np->lastmsg);
 		goto out;
 	/*
 	 *  The SCRIPTS let us know that a message has been 
@@ -5578,16 +5600,13 @@ int sym_hcb_attach(struct Scsi_Host *shost, struct sym_fw *fw, struct sym_nvram
 	np->scriptz_ba	= vtobus(np->scriptz0);
 
 	if (np->ram_ba) {
-		np->scripta_ba	= np->ram_ba;
+		np->scripta_ba = np->ram_ba;
 		if (np->features & FE_RAM8K) {
-			np->ram_ws = 8192;
 			np->scriptb_ba = np->scripta_ba + 4096;
 #if 0	/* May get useful for 64 BIT PCI addressing */
 			np->scr_ram_seg = cpu_to_scr(np->scripta_ba >> 32);
 #endif
 		}
-		else
-			np->ram_ws = 4096;
 	}
 
 	/*
diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.h b/drivers/scsi/sym53c8xx_2/sym_hipd.h
index 79ab6a177039..ad078805e62b 100644
--- a/drivers/scsi/sym53c8xx_2/sym_hipd.h
+++ b/drivers/scsi/sym53c8xx_2/sym_hipd.h
@@ -883,10 +883,7 @@ struct sym_hcb {
 	 *  Physical bus addresses of the chip.
 	 */
 	u32		mmio_ba;	/* MMIO 32 bit BUS address	*/
-	int		mmio_ws;	/* MMIO Window size		*/
-
 	u32		ram_ba;		/* RAM 32 bit BUS address	*/
-	int		ram_ws;		/* RAM window size		*/
 
 	/*
 	 *  SCRIPTS virtual and physical bus addresses.
@@ -912,14 +909,12 @@ struct sym_hcb {
 	struct sym_fwb_ba fwb_bas;	/* Useful SCRIPTB bus addresses	*/
 	struct sym_fwz_ba fwz_bas;	/* Useful SCRIPTZ bus addresses	*/
 	void		(*fw_setup)(struct sym_hcb *np, struct sym_fw *fw);
-	void		(*fw_patch)(struct sym_hcb *np);
+	void		(*fw_patch)(struct Scsi_Host *);
 	char		*fw_name;
 
 	/*
 	 *  General controller parameters and configuration.
 	 */
-	u_short	device_id;	/* PCI device id		*/
-	u_char	revision_id;	/* PCI device revision id	*/
 	u_int	features;	/* Chip features map		*/
 	u_char	myaddr;		/* SCSI id of the adapter	*/
 	u_char	maxburst;	/* log base 2 of dwords burst	*/
@@ -1031,6 +1026,14 @@ struct sym_hcb {
 #endif
 };
 
+#if SYM_CONF_DMA_ADDRESSING_MODE == 0
+#define use_dac(np)	0
+#define set_dac(np)	do { } while (0)
+#else
+#define use_dac(np)	(np)->use_dac
+#define set_dac(np)	(np)->use_dac = 1
+#endif
+
 #define HCB_BA(np, lbl)	(np->hcb_ba + offsetof(struct sym_hcb, lbl))
 
 
@@ -1052,8 +1055,8 @@ void sym_start_next_ccbs(struct sym_hcb *np, struct sym_lcb *lp, int maxn);
 #else
 void sym_put_start_queue(struct sym_hcb *np, struct sym_ccb *cp);
 #endif
-void sym_start_up(struct sym_hcb *np, int reason);
-void sym_interrupt(struct sym_hcb *np);
+void sym_start_up(struct Scsi_Host *, int reason);
+irqreturn_t sym_interrupt(struct Scsi_Host *);
 int sym_clear_tasks(struct sym_hcb *np, int cam_status, int target, int lun, int task);
 struct sym_ccb *sym_get_ccb(struct sym_hcb *np, struct scsi_cmnd *cmd, u_char tag_order);
 void sym_free_ccb(struct sym_hcb *np, struct sym_ccb *cp);
@@ -1073,18 +1076,21 @@ int sym_hcb_attach(struct Scsi_Host *shost, struct sym_fw *fw, struct sym_nvram
  */
 
 #if   SYM_CONF_DMA_ADDRESSING_MODE == 0
+#define DMA_DAC_MASK	DMA_32BIT_MASK
 #define sym_build_sge(np, data, badd, len)	\
 do {						\
 	(data)->addr = cpu_to_scr(badd);	\
 	(data)->size = cpu_to_scr(len);		\
 } while (0)
 #elif SYM_CONF_DMA_ADDRESSING_MODE == 1
+#define DMA_DAC_MASK	DMA_40BIT_MASK
 #define sym_build_sge(np, data, badd, len)				\
 do {									\
 	(data)->addr = cpu_to_scr(badd);				\
 	(data)->size = cpu_to_scr((((badd) >> 8) & 0xff000000) + len);	\
 } while (0)
 #elif SYM_CONF_DMA_ADDRESSING_MODE == 2
+#define DMA_DAC_MASK	DMA_64BIT_MASK
 int sym_lookup_dmap(struct sym_hcb *np, u32 h, int s);
 static __inline void 
 sym_build_sge(struct sym_hcb *np, struct sym_tblmove *data, u64 badd, int len)
diff --git a/drivers/scsi/sym53c8xx_2/sym_nvram.c b/drivers/scsi/sym53c8xx_2/sym_nvram.c
index 15d69298ab6e..5662fbb3ff60 100644
--- a/drivers/scsi/sym53c8xx_2/sym_nvram.c
+++ b/drivers/scsi/sym53c8xx_2/sym_nvram.c
@@ -696,7 +696,7 @@ static int sym_read_Tekram_nvram (struct sym_device *np, Tekram_nvram *nvram)
 	u_short	csum;
 	int x;
 
-	switch (np->device_id) {
+	switch (np->pdev->device) {
 	case PCI_DEVICE_ID_NCR_53C885:
 	case PCI_DEVICE_ID_NCR_53C895:
 	case PCI_DEVICE_ID_NCR_53C896: