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-rw-r--r--drivers/ide/pci/scc_pata.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index ad7cdf9060c..a7a2c58482a 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;