[libata] pata_serverworks: fill in ->irq_clear hook

Required by libata, as it is called unconditionally.

Fixes an obvious oops.

Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c
index 75cc5a22da0c..d62051b8da05 100644
--- a/drivers/ata/pata_serverworks.c
+++ b/drivers/ata/pata_serverworks.c
@@ -356,6 +356,8 @@ static struct ata_port_operations serverworks_osb4_port_ops = {
         .data_xfer      = ata_pio_data_xfer,
 
         .irq_handler    = ata_interrupt,
+        .irq_clear      = ata_bmdma_irq_clear,
+
         .port_start     = ata_port_start,
         .port_stop      = ata_port_stop,
         .host_stop      = ata_host_stop
@@ -389,6 +391,8 @@ static struct ata_port_operations serverworks_csb_port_ops = {
         .data_xfer      = ata_pio_data_xfer,
 
         .irq_handler    = ata_interrupt,
+        .irq_clear      = ata_bmdma_irq_clear,
+
         .port_start     = ata_port_start,
         .port_stop      = ata_port_stop,
         .host_stop      = ata_host_stop