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authorTejun Heo <htejun@gmail.com>2008-03-25 12:22:47 +0900
committerJeff Garzik <jgarzik@redhat.com>2008-04-17 15:44:16 -0400
commit358f9a77a668660729e705fde9c3cf69f013aa98 (patch)
treea249660fdd9f252925eff9eaac3ed7836c839f91 /drivers/ata/pata_legacy.c
parentc1bc899f5805771926c9198e2ab4d77122c356a1 (diff)
downloadop-kernel-dev-358f9a77a668660729e705fde9c3cf69f013aa98.zip
op-kernel-dev-358f9a77a668660729e705fde9c3cf69f013aa98.tar.gz
libata: implement and use ata_noop_irq_clear()
->irq_clear() is used to clear IRQ bit of a SFF controller and isn't useful for drivers which don't use libata SFF HSM implementation. However, it's a required callback and many drivers implement their own noop version as placeholder. This patch implements ata_noop_irq_clear and use it to replace those custom placeholders. Also, SFF drivers which don't support BMDMA don't need to use ata_bmdma_irq_clear(). It becomes noop if BMDMA address isn't initialized. Convert them to use ata_noop_irq_clear(). Signed-off-by: Tejun Heo <htejun@gmail.com>
Diffstat (limited to 'drivers/ata/pata_legacy.c')
-rw-r--r--drivers/ata/pata_legacy.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index 50fe08e..6ac02f7 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -252,7 +252,7 @@ static struct ata_port_operations simple_port_ops = {
.data_xfer = ata_data_xfer_noirq,
.irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
+ .irq_clear = ata_noop_irq_clear,
.irq_on = ata_irq_on,
.port_start = ata_sff_port_start,
@@ -279,7 +279,7 @@ static struct ata_port_operations legacy_port_ops = {
.data_xfer = ata_data_xfer_noirq,
.irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
+ .irq_clear = ata_noop_irq_clear,
.irq_on = ata_irq_on,
.port_start = ata_sff_port_start,
@@ -393,7 +393,7 @@ static struct ata_port_operations pdc20230_port_ops = {
.data_xfer = pdc_data_xfer_vlb,
.irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
+ .irq_clear = ata_noop_irq_clear,
.irq_on = ata_irq_on,
.port_start = ata_sff_port_start,
@@ -447,7 +447,7 @@ static struct ata_port_operations ht6560a_port_ops = {
.data_xfer = ata_data_xfer, /* Check vlb/noirq */
.irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
+ .irq_clear = ata_noop_irq_clear,
.irq_on = ata_irq_on,
.port_start = ata_sff_port_start,
@@ -512,7 +512,7 @@ static struct ata_port_operations ht6560b_port_ops = {
.data_xfer = ata_data_xfer, /* FIXME: Check 32bit and noirq */
.irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
+ .irq_clear = ata_noop_irq_clear,
.irq_on = ata_irq_on,
.port_start = ata_sff_port_start,
@@ -633,7 +633,7 @@ static struct ata_port_operations opti82c611a_port_ops = {
.data_xfer = ata_data_xfer,
.irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
+ .irq_clear = ata_noop_irq_clear,
.irq_on = ata_irq_on,
.port_start = ata_sff_port_start,
@@ -765,7 +765,7 @@ static struct ata_port_operations opti82c46x_port_ops = {
.data_xfer = ata_data_xfer,
.irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
+ .irq_clear = ata_noop_irq_clear,
.irq_on = ata_irq_on,
.port_start = ata_sff_port_start,
@@ -950,7 +950,7 @@ static struct ata_port_operations qdi6500_port_ops = {
.data_xfer = vlb32_data_xfer,
.irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
+ .irq_clear = ata_noop_irq_clear,
.irq_on = ata_irq_on,
.port_start = ata_sff_port_start,
@@ -977,7 +977,7 @@ static struct ata_port_operations qdi6580_port_ops = {
.data_xfer = vlb32_data_xfer,
.irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
+ .irq_clear = ata_noop_irq_clear,
.irq_on = ata_irq_on,
.port_start = ata_sff_port_start,
@@ -1004,7 +1004,7 @@ static struct ata_port_operations qdi6580dp_port_ops = {
.data_xfer = vlb32_data_xfer,
.irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
+ .irq_clear = ata_noop_irq_clear,
.irq_on = ata_irq_on,
.port_start = ata_sff_port_start,
@@ -1095,7 +1095,7 @@ static struct ata_port_operations winbond_port_ops = {
.data_xfer = vlb32_data_xfer,
- .irq_clear = ata_bmdma_irq_clear,
+ .irq_clear = ata_noop_irq_clear,
.irq_on = ata_irq_on,
.port_start = ata_sff_port_start,
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