cmd64x: don't clear the other channel's interrupt

[linux-2.6-omap-h63xx.git] / drivers / ide / pci / cmd64x.c

diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c
index ae01319ed131754c9473f1bbf44b4991f67a3448..51fca441c2946c59e69b0b9638ab88dee7f808c5 100644 (file)
--- a/drivers/ide/pci/cmd64x.c
+++ b/drivers/ide/pci/cmd64x.c
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/ide/pci/cmd64x.c              Version 1.50    May 10, 2007
+ * linux/drivers/ide/pci/cmd64x.c              Version 1.51    Nov 8, 2007
  *
  * cmd64x.c: Enable interrupts at initialization time on Ultra/PCI machines.
  *           Due to massive hardware bugs, UltraDMA is only supported
@@ -339,7 +339,8 @@ static int cmd648_ide_dma_end (ide_drive_t *drive)
        u8  mrdmode             = inb(hwif->dma_master + 0x01);
 
        /* clear the interrupt bit */
-       outb(mrdmode | irq_mask, hwif->dma_master + 0x01);
+       outb((mrdmode & ~(MRDMODE_INTR_CH0 | MRDMODE_INTR_CH1)) | irq_mask,
+            hwif->dma_master + 0x01);
 
        return err;
 }
@@ -548,7 +549,7 @@ static void __devinit init_hwif_cmd64x(ide_hwif_t *hwif)
        }
 }
 
-static struct ide_port_info cmd64x_chipsets[] __devinitdata = {
+static const struct ide_port_info cmd64x_chipsets[] __devinitdata = {
        {       /* 0 */
                .name           = "CMD643",
                .init_chipset   = init_chipset_cmd64x,