summaryrefslogtreecommitdiffstats
path: root/drivers/ata
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/ahci.c23
-rw-r--r--drivers/ata/libata-acpi.c19
-rw-r--r--drivers/ata/libata-sff.c30
-rw-r--r--drivers/ata/pata_sis.c1
-rw-r--r--drivers/ata/sata_mv.c2
-rw-r--r--drivers/ata/sata_sil24.c1
-rw-r--r--drivers/ata/sata_uli.c1
7 files changed, 56 insertions, 21 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 6a4a2a25d97a..5e6468a7ca4b 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1777,7 +1777,7 @@ static irqreturn_t ahci_interrupt(int irq, void *dev_instance)
struct ahci_host_priv *hpriv;
unsigned int i, handled = 0;
void __iomem *mmio;
- u32 irq_stat, irq_ack = 0;
+ u32 irq_stat, irq_masked;
VPRINTK("ENTER\n");
@@ -1786,16 +1786,17 @@ static irqreturn_t ahci_interrupt(int irq, void *dev_instance)
/* sigh. 0xffffffff is a valid return from h/w */
irq_stat = readl(mmio + HOST_IRQ_STAT);
- irq_stat &= hpriv->port_map;
if (!irq_stat)
return IRQ_NONE;
+ irq_masked = irq_stat & hpriv->port_map;
+
spin_lock(&host->lock);
for (i = 0; i < host->n_ports; i++) {
struct ata_port *ap;
- if (!(irq_stat & (1 << i)))
+ if (!(irq_masked & (1 << i)))
continue;
ap = host->ports[i];
@@ -1809,14 +1810,20 @@ static irqreturn_t ahci_interrupt(int irq, void *dev_instance)
"interrupt on disabled port %u\n", i);
}
- irq_ack |= (1 << i);
- }
-
- if (irq_ack) {
- writel(irq_ack, mmio + HOST_IRQ_STAT);
handled = 1;
}
+ /* HOST_IRQ_STAT behaves as level triggered latch meaning that
+ * it should be cleared after all the port events are cleared;
+ * otherwise, it will raise a spurious interrupt after each
+ * valid one. Please read section 10.6.2 of ahci 1.1 for more
+ * information.
+ *
+ * Also, use the unmasked value to clear interrupt as spurious
+ * pending event on a dummy port might cause screaming IRQ.
+ */
+ writel(irq_stat, mmio + HOST_IRQ_STAT);
+
spin_unlock(&host->lock);
VPRINTK("EXIT\n");
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 3ff8b14420d9..9330b7922f62 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -29,14 +29,16 @@
enum {
ATA_ACPI_FILTER_SETXFER = 1 << 0,
ATA_ACPI_FILTER_LOCK = 1 << 1,
+ ATA_ACPI_FILTER_DIPM = 1 << 2,
ATA_ACPI_FILTER_DEFAULT = ATA_ACPI_FILTER_SETXFER |
- ATA_ACPI_FILTER_LOCK,
+ ATA_ACPI_FILTER_LOCK |
+ ATA_ACPI_FILTER_DIPM,
};
static unsigned int ata_acpi_gtf_filter = ATA_ACPI_FILTER_DEFAULT;
module_param_named(acpi_gtf_filter, ata_acpi_gtf_filter, int, 0644);
-MODULE_PARM_DESC(acpi_gtf_filter, "filter mask for ACPI _GTF commands, set to filter out (0x1=set xfermode, 0x2=lock/freeze lock)");
+MODULE_PARM_DESC(acpi_gtf_filter, "filter mask for ACPI _GTF commands, set to filter out (0x1=set xfermode, 0x2=lock/freeze lock, 0x4=DIPM)");
#define NO_PORT_MULT 0xffff
#define SATA_ADR(root, pmp) (((root) << 16) | (pmp))
@@ -195,6 +197,10 @@ static void ata_acpi_handle_hotplug(struct ata_port *ap, struct ata_device *dev,
/* This device does not support hotplug */
return;
+ if (event == ACPI_NOTIFY_BUS_CHECK ||
+ event == ACPI_NOTIFY_DEVICE_CHECK)
+ status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
+
spin_lock_irqsave(ap->lock, flags);
switch (event) {
@@ -202,7 +208,6 @@ static void ata_acpi_handle_hotplug(struct ata_port *ap, struct ata_device *dev,
case ACPI_NOTIFY_DEVICE_CHECK:
ata_ehi_push_desc(ehi, "ACPI event");
- status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
if (ACPI_FAILURE(status)) {
ata_port_printk(ap, KERN_ERR,
"acpi: failed to determine bay status (0x%x)\n",
@@ -690,6 +695,14 @@ static int ata_acpi_filter_tf(const struct ata_taskfile *tf,
return 1;
}
+ if (ata_acpi_gtf_filter & ATA_ACPI_FILTER_DIPM) {
+ /* inhibit enabling DIPM */
+ if (tf->command == ATA_CMD_SET_FEATURES &&
+ tf->feature == SETFEATURES_SATA_ENABLE &&
+ tf->nsect == SATA_DIPM)
+ return 1;
+ }
+
return 0;
}
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 215d18672a5a..c0908c225483 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -1094,6 +1094,7 @@ static void ata_hsm_qc_complete(struct ata_queued_cmd *qc, int in_wq)
int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
u8 status, int in_wq)
{
+ struct ata_eh_info *ehi = &ap->link.eh_info;
unsigned long flags = 0;
int poll_next;
@@ -1125,9 +1126,12 @@ fsm_start:
if (likely(status & (ATA_ERR | ATA_DF)))
/* device stops HSM for abort/error */
qc->err_mask |= AC_ERR_DEV;
- else
+ else {
/* HSM violation. Let EH handle this */
+ ata_ehi_push_desc(ehi,
+ "ST_FIRST: !(DRQ|ERR|DF)");
qc->err_mask |= AC_ERR_HSM;
+ }
ap->hsm_task_state = HSM_ST_ERR;
goto fsm_start;
@@ -1146,9 +1150,9 @@ fsm_start:
* the CDB.
*/
if (!(qc->dev->horkage & ATA_HORKAGE_STUCK_ERR)) {
- ata_port_printk(ap, KERN_WARNING,
- "DRQ=1 with device error, "
- "dev_stat 0x%X\n", status);
+ ata_ehi_push_desc(ehi, "ST_FIRST: "
+ "DRQ=1 with device error, "
+ "dev_stat 0x%X", status);
qc->err_mask |= AC_ERR_HSM;
ap->hsm_task_state = HSM_ST_ERR;
goto fsm_start;
@@ -1205,9 +1209,9 @@ fsm_start:
* let the EH abort the command or reset the device.
*/
if (unlikely(status & (ATA_ERR | ATA_DF))) {
- ata_port_printk(ap, KERN_WARNING, "DRQ=1 with "
- "device error, dev_stat 0x%X\n",
- status);
+ ata_ehi_push_desc(ehi, "ST-ATAPI: "
+ "DRQ=1 with device error, "
+ "dev_stat 0x%X", status);
qc->err_mask |= AC_ERR_HSM;
ap->hsm_task_state = HSM_ST_ERR;
goto fsm_start;
@@ -1226,13 +1230,17 @@ fsm_start:
if (likely(status & (ATA_ERR | ATA_DF)))
/* device stops HSM for abort/error */
qc->err_mask |= AC_ERR_DEV;
- else
+ else {
/* HSM violation. Let EH handle this.
* Phantom devices also trigger this
* condition. Mark hint.
*/
+ ata_ehi_push_desc(ehi, "ST-ATA: "
+ "DRQ=1 with device error, "
+ "dev_stat 0x%X", status);
qc->err_mask |= AC_ERR_HSM |
AC_ERR_NODEV_HINT;
+ }
ap->hsm_task_state = HSM_ST_ERR;
goto fsm_start;
@@ -1257,8 +1265,12 @@ fsm_start:
status = ata_wait_idle(ap);
}
- if (status & (ATA_BUSY | ATA_DRQ))
+ if (status & (ATA_BUSY | ATA_DRQ)) {
+ ata_ehi_push_desc(ehi, "ST-ATA: "
+ "BUSY|DRQ persists on ERR|DF, "
+ "dev_stat 0x%X", status);
qc->err_mask |= AC_ERR_HSM;
+ }
/* ata_pio_sectors() might change the
* state to HSM_ST_LAST. so, the state
diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c
index e82c66e8d31b..26345d7b531c 100644
--- a/drivers/ata/pata_sis.c
+++ b/drivers/ata/pata_sis.c
@@ -56,6 +56,7 @@ static const struct sis_laptop sis_laptop[] = {
{ 0x5513, 0x1043, 0x1107 }, /* ASUS A6K */
{ 0x5513, 0x1734, 0x105F }, /* FSC Amilo A1630 */
{ 0x5513, 0x1071, 0x8640 }, /* EasyNote K5305 */
+ { 0x5513, 0x1039, 0x5513 }, /* Targa Visionary 1000 */
/* end marker */
{ 0, }
};
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 28092bc50146..ad169ffbc4cb 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -1607,7 +1607,7 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc)
* Much of the time, this could just work regardless.
* So for now, just log the incident, and allow the attempt.
*/
- if (limit_warnings && (qc->nbytes / qc->sect_size) > 1) {
+ if (limit_warnings > 0 && (qc->nbytes / qc->sect_size) > 1) {
--limit_warnings;
ata_link_printk(qc->dev->link, KERN_WARNING, DRV_NAME
": attempting PIO w/multiple DRQ: "
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index 8ee6b5b4ede7..84ffcc26a74b 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -370,6 +370,7 @@ static const struct pci_device_id sil24_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x3124), BID_SIL3124 },
{ PCI_VDEVICE(CMD, 0x3132), BID_SIL3132 },
{ PCI_VDEVICE(CMD, 0x0242), BID_SIL3132 },
+ { PCI_VDEVICE(CMD, 0x0244), BID_SIL3132 },
{ PCI_VDEVICE(CMD, 0x3131), BID_SIL3131 },
{ PCI_VDEVICE(CMD, 0x3531), BID_SIL3131 },
diff --git a/drivers/ata/sata_uli.c b/drivers/ata/sata_uli.c
index f277cea904ce..db529b849948 100644
--- a/drivers/ata/sata_uli.c
+++ b/drivers/ata/sata_uli.c
@@ -83,6 +83,7 @@ static struct ata_port_operations uli_ops = {
.inherits = &ata_bmdma_port_ops,
.scr_read = uli_scr_read,
.scr_write = uli_scr_write,
+ .hardreset = ATA_OP_NULL,
};
static const struct ata_port_info uli_port_info = {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 04:11:01 +0100