1 files changed, 35 insertions, 0 deletions

diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index ad7cdf9060ca..a7a2c58482a2 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -618,6 +618,38 @@ static int __devinit init_setup_scc(struct pci_dev *dev,
         return rc;
 }
 
+static void scc_input_data(ide_drive_t *drive, struct request *rq,
+                           void *buf, unsigned int len)
+{
+        unsigned long data_addr = drive->hwif->io_ports.data_addr;
+
+        len++;
+
+        if (drive->io_32bit) {
+                scc_ide_insl(data_addr, buf, len / 4);
+
+                if ((len & 3) >= 2)
+                        scc_ide_insw(data_addr, (u8 *)buf + (len & ~3), 1);
+        } else
+                scc_ide_insw(data_addr, buf, len / 2);
+}
+
+static void scc_output_data(ide_drive_t *drive,  struct request *rq,
+                            void *buf, unsigned int len)
+{
+        unsigned long data_addr = drive->hwif->io_ports.data_addr;
+
+        len++;
+
+        if (drive->io_32bit) {
+                scc_ide_outsl(data_addr, buf, len / 4);
+
+                if ((len & 3) >= 2)
+                        scc_ide_outsw(data_addr, (u8 *)buf + (len & ~3), 1);
+        } else
+                scc_ide_outsw(data_addr, buf, len / 2);
+}
+
 /**
  *      init_mmio_iops_scc      -       set up the iops for MMIO
  *      @hwif: interface to set up
@@ -632,6 +664,9 @@ static void __devinit init_mmio_iops_scc(ide_hwif_t *hwif)
 
         ide_set_hwifdata(hwif, ports);
 
+        hwif->input_data  = scc_input_data;
+        hwif->output_data = scc_output_data;
+
         hwif->INB = scc_ide_inb;
         hwif->INW = scc_ide_inw;
         hwif->INSW = scc_ide_insw;