libata: implement and use ata_noop_irq_clear()

[linux-2.6-omap-h63xx.git] / drivers / ata / libata-sff.c

diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 20dc572fb45a1c1b780c8d8a8303b88643a6fbbd..1cf03d41aa3356f5950c8386c56f988d154f4f16 100644 (file)
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -302,6 +302,14 @@ void ata_bmdma_irq_clear(struct ata_port *ap)
        iowrite8(ioread8(mmio + ATA_DMA_STATUS), mmio + ATA_DMA_STATUS);
 }
 
+/**
+ *     ata_noop_irq_clear - Noop placeholder for irq_clear
+ *     @ap: Port associated with this ATA transaction.
+ */
+void ata_noop_irq_clear(struct ata_port *ap)
+{
+}
+
 /**
  *     ata_bmdma_status - Read PCI IDE BMDMA status
  *     @ap: Port associated with this ATA transaction.