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authorAlbert Lee <albertcc@tw.ibm.com>2007-03-21 16:08:49 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-04-06 03:43:11 -0700
commit9f6a92b47b7580d35170712933f4eaab63d72238 (patch)
tree9f0b73fafea36fc8f27102d1554d27822c984faf
parent9757c1a00e0494b5bb19383c9cba2906b471464e (diff)
downloadlinux-linaro-stable-9f6a92b47b7580d35170712933f4eaab63d72238.tar.gz
ide: remove clearing bmdma status from cdrom_decode_status() (rev #4)
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> Cc: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/ide/ide-cd.c7
-rw-r--r--drivers/ide/pci/piix.c4
-rw-r--r--include/linux/ide.h1
3 files changed, 0 insertions, 12 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 61e906562bed..c5ec6f199043 100644
--- a/drivers/ide/pci/piix.c
+++ b/drivers/ide/pci/piix.c
@@ -502,10 +502,6 @@ 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;
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 0f1011cb016f..3808698867ec 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -797,7 +797,6 @@ typedef struct hwif_s {
unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */
unsigned no_io_32bit : 1; /* 1 = can not do 32-bit IO ops */
unsigned err_stops_fifo : 1; /* 1=data FIFO is cleared by an error */
- unsigned atapi_irq_bogon : 1; /* Generates spurious DMA interrupts in PIO mode */
struct device gendev;
struct completion gendev_rel_comp; /* To deal with device release() */