1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index e68e33bb2c35..7c3a84f8fbed 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -495,6 +495,13 @@ static void pmac_outbsync(ide_hwif_t *hwif, u8 value, unsigned long port)
                                      + IDE_TIMING_CONFIG));
 }
 
+static void pmac_exec_command(ide_hwif_t *hwif, u8 cmd)
+{
+        writeb(cmd, (void __iomem *)hwif->io_ports.command_addr);
+        (void)readl((void __iomem *)(hwif->io_ports.data_addr
+                                     + IDE_TIMING_CONFIG));
+}
+
 /*
  * Old tuning functions (called on hdparm -p), sets up drive PIO timings
  */
@@ -1092,6 +1099,8 @@ static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif, hw_regs_t *hw)
         if (hwif == NULL)
                 return -ENOENT;
 
+        hwif->exec_command = pmac_exec_command;
+
         /* Setup MMIO ops */
         default_hwif_mmiops(hwif);
         hwif->OUTBSYNC = pmac_outbsync;