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-rw-r--r--drivers/ide/pci/cmd64x.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c
index ea0143ef5fe5..51fca441c294 100644
--- 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;
}