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authorAlbert Lee <albertcc@tw.ibm.com>2007-02-17 02:40:22 +0100
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-02-17 02:40:22 +0100
commit6e6cd4c4388f399dd5726b826f02732c53df3ba5 (patch)
treecef13ec3b8b5b03a2d4204079f674e2c4e9c0bc2 /drivers/ide
parentf0dd8712eb8cc5687b4582fbc41cfbcd55bba0d2 (diff)
ide: remove clearing bmdma status from cdrom_decode_status() (rev #4)
patch 2/2: Remove clearing bmdma status from cdrom_decode_status() since ATA devices might need it as well. (http://lkml.org/lkml/2006/12/4/201 and http://lkml.org/lkml/2006/11/15/94) Signed-off-by: Albert Lee <albertcc@tw.ibm.com> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: "Adam W. Hawks" <awhawks@us.ibm.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide')
-rw-r--r--drivers/ide/ide-cd.c7
-rw-r--r--drivers/ide/pci/piix.c4
2 files changed, 0 insertions, 11 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 21f4ae2b7176..a2bde80b5402 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -687,15 +687,8 @@ static void ide_dump_status_no_sense(ide_drive_t *drive, const char *msg, u8 sta
static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
{
struct request *rq = HWGROUP(drive)->rq;
- ide_hwif_t *hwif = HWIF(drive);
int stat, err, sense_key;
- /* We may have bogus DMA interrupts in PIO state here */
- if (HWIF(drive)->dma_status && hwif->atapi_irq_bogon) {
- stat = hwif->INB(hwif->dma_status);
- /* Should we force the bit as well ? */
- hwif->OUTB(stat, hwif->dma_status);
- }
/* Check for errors. */
stat = HWIF(drive)->INB(IDE_STATUS_REG);
if (stat_ret)
diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c
index af65b0888bbb..f530bf4bf0f0 100644
--- a/drivers/ide/pci/piix.c
+++ b/drivers/ide/pci/piix.c
@@ -501,10 +501,6 @@ static void __devinit init_hwif_piix(ide_hwif_t *hwif)
/* This is a painful system best to let it self tune for now */
return;
}
- /* ESB2 appears to generate spurious DMA interrupts in PIO mode
- when in native mode */
- if (hwif->pci_dev->device == PCI_DEVICE_ID_INTEL_ESB2_18)
- hwif->atapi_irq_bogon = 1;
hwif->autodma = 0;
hwif->tuneproc = &piix_tune_drive;