ide: add ->exec_command method

Add ->exec_command method for writing ATA Command register
and use it instead of ->OUTBSYNC.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index fc163a7772a7..d140dfd565a4 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -126,6 +126,14 @@ static u8 scc_ide_inb(unsigned long port)
         return (u8)data;
 }
 
+static void scc_exec_command(ide_hwif_t *hwif, u8 cmd)
+{
+        out_be32((void *)hwif->io_ports.command_addr, cmd);
+        eieio();
+        in_be32((void *)(hwif->dma_base + 0x01c));
+        eieio();
+}
+
 static u8 scc_read_sff_dma_status(ide_hwif_t *hwif)
 {
         return (u8)in_be32((void *)(hwif->dma_base + 4));
@@ -779,6 +787,7 @@ static void __devinit init_mmio_iops_scc(ide_hwif_t *hwif)
 
         ide_set_hwifdata(hwif, ports);
 
+        hwif->exec_command        = scc_exec_command;
         hwif->read_sff_dma_status = scc_read_sff_dma_status;
 
         hwif->tf_load = scc_tf_load;