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authorFinn Thain <fthain@telegraphics.com.au>2017-07-03 09:59:06 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2017-08-07 20:04:00 +0200
commit24c43341a0445307a7d17fd681d10bd7bd789fc8 (patch)
treeb380d4848bbabed07085a9de1b72e15ee41a9253 /drivers/scsi/g_NCR5380.c
parentscsi: g_NCR5380: End PDMA transfer correctly on target disconnection (diff)
downloadlinux-24c43341a0445307a7d17fd681d10bd7bd789fc8.tar.xz
linux-24c43341a0445307a7d17fd681d10bd7bd789fc8.zip
scsi: g_NCR5380: Cleanup comments and whitespace
Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/g_NCR5380.c')
-rw-r--r--drivers/scsi/g_NCR5380.c61
1 files changed, 28 insertions, 33 deletions
diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c
index f209b12280cc..97e80375c5d9 100644
--- a/drivers/scsi/g_NCR5380.c
+++ b/drivers/scsi/g_NCR5380.c
@@ -1,17 +1,17 @@
/*
* Generic Generic NCR5380 driver
- *
+ *
* Copyright 1993, Drew Eckhardt
- * Visionary Computing
- * (Unix and Linux consulting and custom programming)
- * drew@colorado.edu
- * +1 (303) 440-4894
+ * Visionary Computing
+ * (Unix and Linux consulting and custom programming)
+ * drew@colorado.edu
+ * +1 (303) 440-4894
*
* NCR53C400 extensions (c) 1994,1995,1996, Kevin Lentin
- * K.Lentin@cs.monash.edu.au
+ * K.Lentin@cs.monash.edu.au
*
* NCR53C400A extensions (c) 1996, Ingmar Baumgart
- * ingmar@gonzo.schwaben.de
+ * ingmar@gonzo.schwaben.de
*
* DTC3181E extensions (c) 1997, Ronald van Cuijlenborg
* ronald.van.cuijlenborg@tip.nl or nutty@dds.nl
@@ -481,15 +481,14 @@ static void generic_NCR5380_release_resources(struct Scsi_Host *instance)
}
/**
- * generic_NCR5380_pread - pseudo DMA read
- * @hostdata: scsi host private data
- * @dst: buffer to read into
- * @len: buffer length
+ * generic_NCR5380_pread - pseudo DMA read
+ * @hostdata: scsi host private data
+ * @dst: buffer to write into
+ * @len: transfer size
*
- * Perform a pseudo DMA mode read from an NCR53C400 or equivalent
- * controller
+ * Perform a pseudo DMA mode receive from a 53C400 or equivalent device.
*/
-
+
static inline int generic_NCR5380_pread(struct NCR5380_hostdata *hostdata,
unsigned char *dst, int len)
{
@@ -508,10 +507,10 @@ static inline int generic_NCR5380_pread(struct NCR5380_hostdata *hostdata,
if (hostdata->io_port && hostdata->io_width == 2)
insw(hostdata->io_port + hostdata->c400_host_buf,
- dst + start, 64);
+ dst + start, 64);
else if (hostdata->io_port)
insb(hostdata->io_port + hostdata->c400_host_buf,
- dst + start, 128);
+ dst + start, 128);
else
memcpy_fromio(dst + start,
hostdata->io + NCR53C400_host_buffer, 128);
@@ -558,13 +557,12 @@ out_wait:
}
/**
- * generic_NCR5380_pwrite - pseudo DMA write
- * @hostdata: scsi host private data
- * @dst: buffer to read into
- * @len: buffer length
+ * generic_NCR5380_pwrite - pseudo DMA write
+ * @hostdata: scsi host private data
+ * @src: buffer to read from
+ * @len: transfer size
*
- * Perform a pseudo DMA mode read from an NCR53C400 or equivalent
- * controller
+ * Perform a pseudo DMA mode send to a 53C400 or equivalent device.
*/
static inline int generic_NCR5380_pwrite(struct NCR5380_hostdata *hostdata,
@@ -603,10 +601,10 @@ static inline int generic_NCR5380_pwrite(struct NCR5380_hostdata *hostdata,
if (hostdata->io_port && hostdata->io_width == 2)
outsw(hostdata->io_port + hostdata->c400_host_buf,
- src + start, 64);
+ src + start, 64);
else if (hostdata->io_port)
outsb(hostdata->io_port + hostdata->c400_host_buf,
- src + start, 128);
+ src + start, 128);
else
memcpy_toio(hostdata->io + NCR53C400_host_buffer,
src + start, 128);
@@ -656,10 +654,8 @@ static int generic_NCR5380_dma_residual(struct NCR5380_hostdata *hostdata)
return hostdata->pdma_residual;
}
-/*
- * Include the NCR5380 core code that we build our driver around
- */
-
+/* Include the core driver code. */
+
#include "NCR5380.c"
static struct scsi_host_template driver_template = {
@@ -679,11 +675,10 @@ static struct scsi_host_template driver_template = {
.max_sectors = 128,
};
-
static int generic_NCR5380_isa_match(struct device *pdev, unsigned int ndev)
{
int ret = generic_NCR5380_init_one(&driver_template, pdev, base[ndev],
- irq[ndev], card[ndev]);
+ irq[ndev], card[ndev]);
if (ret) {
if (base[ndev])
printk(KERN_WARNING "Card not found at address 0x%03x\n",
@@ -695,7 +690,7 @@ static int generic_NCR5380_isa_match(struct device *pdev, unsigned int ndev)
}
static int generic_NCR5380_isa_remove(struct device *pdev,
- unsigned int ndev)
+ unsigned int ndev)
{
generic_NCR5380_release_resources(dev_get_drvdata(pdev));
dev_set_drvdata(pdev, NULL);
@@ -718,7 +713,7 @@ static struct pnp_device_id generic_NCR5380_pnp_ids[] = {
MODULE_DEVICE_TABLE(pnp, generic_NCR5380_pnp_ids);
static int generic_NCR5380_pnp_probe(struct pnp_dev *pdev,
- const struct pnp_device_id *id)
+ const struct pnp_device_id *id)
{
int base, irq;
@@ -729,7 +724,7 @@ static int generic_NCR5380_pnp_probe(struct pnp_dev *pdev,
irq = pnp_irq(pdev, 0);
return generic_NCR5380_init_one(&driver_template, &pdev->dev, base, irq,
- id->driver_data);
+ id->driver_data);
}
static void generic_NCR5380_pnp_remove(struct pnp_dev *pdev)