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authorAlan <alan@lxorguk.ukuu.org.uk>2007-01-24 11:47:07 +0000
committerJeff Garzik <jeff@garzik.org>2007-01-24 19:55:16 -0500
commitb229a7b0aed808f2ef6a5e9dbf78b0f17cefb4d0 (patch)
tree2333566c51f5eabc6c1a638155d8efaa6ebd64b5
parenta52865c239b1bc4f62e387509b1ad3415e476ee5 (diff)
downloadlinux-b229a7b0aed808f2ef6a5e9dbf78b0f17cefb4d0.tar.bz2
libata: set_mode, Fix the FIXME
When set_mode() changed ->set_mode didn't adapt. This makes the needed changes and removes the relevant FIXME case. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r--drivers/ata/ata_generic.c6
-rw-r--r--drivers/ata/libata-core.c14
-rw-r--r--drivers/ata/pata_it821x.c4
-rw-r--r--drivers/ata/pata_ixp4xx_cf.c5
-rw-r--r--drivers/ata/pata_legacy.c4
-rw-r--r--drivers/ata/pata_rz1000.c6
-rw-r--r--include/linux/libata.h4
7 files changed, 21 insertions, 22 deletions
diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c
index 908751d27e76..24af56081b5d 100644
--- a/drivers/ata/ata_generic.c
+++ b/drivers/ata/ata_generic.c
@@ -64,6 +64,7 @@ static void generic_error_handler(struct ata_port *ap)
/**
* generic_set_mode - mode setting
* @ap: interface to set up
+ * @unused: returned device on error
*
* Use a non standard set_mode function. We don't want to be tuned.
* The BIOS configured everything. Our job is not to fiddle. We
@@ -71,7 +72,7 @@ static void generic_error_handler(struct ata_port *ap)
* and respect them.
*/
-static void generic_set_mode(struct ata_port *ap)
+static int generic_set_mode(struct ata_port *ap, struct ata_device **unused)
{
int dma_enabled = 0;
int i;
@@ -82,7 +83,7 @@ static void generic_set_mode(struct ata_port *ap)
for (i = 0; i < ATA_MAX_DEVICES; i++) {
struct ata_device *dev = &ap->device[i];
- if (ata_dev_enabled(dev)) {
+ if (ata_dev_ready(dev)) {
/* We don't really care */
dev->pio_mode = XFER_PIO_0;
dev->dma_mode = XFER_MW_DMA_0;
@@ -99,6 +100,7 @@ static void generic_set_mode(struct ata_port *ap)
}
}
}
+ return 0;
}
static struct scsi_host_template generic_sht = {
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 0d51d13b16bf..a388a8df0043 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2431,18 +2431,8 @@ int ata_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev)
int i, rc = 0, used_dma = 0, found = 0;
/* has private set_mode? */
- if (ap->ops->set_mode) {
- /* FIXME: make ->set_mode handle no device case and
- * return error code and failing device on failure.
- */
- for (i = 0; i < ATA_MAX_DEVICES; i++) {
- if (ata_dev_ready(&ap->device[i])) {
- ap->ops->set_mode(ap);
- break;
- }
- }
- return 0;
- }
+ if (ap->ops->set_mode)
+ return ap->ops->set_mode(ap, r_failed_dev);
/* step 1: calculate xfer_mask */
for (i = 0; i < ATA_MAX_DEVICES; i++) {
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index 0b56ff3d1cfe..e8afd486434a 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -476,6 +476,7 @@ static unsigned int it821x_passthru_qc_issue_prot(struct ata_queued_cmd *qc)
/**
* it821x_smart_set_mode - mode setting
* @ap: interface to set up
+ * @unused: device that failed (error only)
*
* Use a non standard set_mode function. We don't want to be tuned.
* The BIOS configured everything. Our job is not to fiddle. We
@@ -483,7 +484,7 @@ static unsigned int it821x_passthru_qc_issue_prot(struct ata_queued_cmd *qc)
* and respect them.
*/
-static void it821x_smart_set_mode(struct ata_port *ap)
+static int it821x_smart_set_mode(struct ata_port *ap, struct ata_device **unused)
{
int dma_enabled = 0;
int i;
@@ -512,6 +513,7 @@ static void it821x_smart_set_mode(struct ata_port *ap)
}
}
}
+ return 0;
}
/**
diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
index cb8924109f59..23b8aab3ebd8 100644
--- a/drivers/ata/pata_ixp4xx_cf.c
+++ b/drivers/ata/pata_ixp4xx_cf.c
@@ -23,9 +23,9 @@
#include <scsi/scsi_host.h>
#define DRV_NAME "pata_ixp4xx_cf"
-#define DRV_VERSION "0.1.1"
+#define DRV_VERSION "0.1.1ac1"
-static void ixp4xx_set_mode(struct ata_port *ap)
+static int ixp4xx_set_mode(struct ata_port *ap, struct ata_device *adev)
{
int i;
@@ -38,6 +38,7 @@ static void ixp4xx_set_mode(struct ata_port *ap)
dev->flags |= ATA_DFLAG_PIO;
}
}
+ return 0;
}
static void ixp4xx_phy_reset(struct ata_port *ap)
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index e7bf9d89c8ee..581cb33c6f45 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -96,6 +96,7 @@ static int pio_mask = 0x1F; /* PIO range for autospeed devices */
/**
* legacy_set_mode - mode setting
* @ap: IDE interface
+ * @unused: Device that failed when error is returned
*
* Use a non standard set_mode function. We don't want to be tuned.
*
@@ -105,7 +106,7 @@ static int pio_mask = 0x1F; /* PIO range for autospeed devices */
* expand on this as per hdparm in the base kernel.
*/
-static void legacy_set_mode(struct ata_port *ap)
+static int legacy_set_mode(struct ata_port *ap, struct ata_device **unused)
{
int i;
@@ -118,6 +119,7 @@ static void legacy_set_mode(struct ata_port *ap)
dev->flags |= ATA_DFLAG_PIO;
}
}
+ return 0;
}
static struct scsi_host_template legacy_sht = {
diff --git a/drivers/ata/pata_rz1000.c b/drivers/ata/pata_rz1000.c
index adf4cc134f25..cec0729225e1 100644
--- a/drivers/ata/pata_rz1000.c
+++ b/drivers/ata/pata_rz1000.c
@@ -52,19 +52,20 @@ static void rz1000_error_handler(struct ata_port *ap)
/**
* rz1000_set_mode - mode setting function
* @ap: ATA interface
+ * @unused: returned device on set_mode failure
*
* Use a non standard set_mode function. We don't want to be tuned. We
* would prefer to be BIOS generic but for the fact our hardware is
* whacked out.
*/
-static void rz1000_set_mode(struct ata_port *ap)
+static int rz1000_set_mode(struct ata_port *ap, struct ata_device **unused)
{
int i;
for (i = 0; i < ATA_MAX_DEVICES; i++) {
struct ata_device *dev = &ap->device[i];
- if (ata_dev_enabled(dev)) {
+ if (ata_dev_ready(dev)) {
/* We don't really care */
dev->pio_mode = XFER_PIO_0;
dev->xfer_mode = XFER_PIO_0;
@@ -72,6 +73,7 @@ static void rz1000_set_mode(struct ata_port *ap)
dev->flags |= ATA_DFLAG_PIO;
}
}
+ return 0;
}
diff --git a/include/linux/libata.h b/include/linux/libata.h
index f7f268e38749..df76fc467816 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -612,11 +612,11 @@ struct ata_port_operations {
void (*dev_select)(struct ata_port *ap, unsigned int device);
void (*phy_reset) (struct ata_port *ap); /* obsolete */
- void (*set_mode) (struct ata_port *ap);
+ int (*set_mode) (struct ata_port *ap, struct ata_device **r_failed_dev);
void (*post_set_mode) (struct ata_port *ap);
- int (*check_atapi_dma) (struct ata_queued_cmd *qc);
+ int (*check_atapi_dma) (struct ata_queued_cmd *qc);
void (*bmdma_setup) (struct ata_queued_cmd *qc);
void (*bmdma_start) (struct ata_queued_cmd *qc);