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| author |   Tejun Heo <htejun@gmail.com> | 2006-12-03 21:34:13 +0900 |
|---|---|---|
| committer |   Jeff Garzik <jeff@garzik.org> | 2006-12-03 07:58:10 -0500 |
| commit | 800b399669ad495ad4361d134df87401ae36f44f (patch) | |
| tree | 19e29f655836cd4808c668d736a83df552b7d8dd /include/linux/libata.h | |
| parent | [libata] pata_cs5535: fix build (diff) | |
| download | linux-dev-800b399669ad495ad4361d134df87401ae36f44f.tar.xz linux-dev-800b399669ad495ad4361d134df87401ae36f44f.zip | |
[PATCH] libata: always use polling IDENTIFY
libata switched to IRQ-driven IDENTIFY when IRQ-driven PIO was
introduced. This has caused a lot of problems including device
misdetection and phantom device.
ATA_FLAG_DETECT_POLLING was added recently to selectively use polling
IDENTIFY on problemetic drivers but many controllers and devices are
affected by this problem and trying to adding ATA_FLAG_DETECT_POLLING
for each such case is diffcult and not very rewarding.
This patch makes libata always use polling IDENTIFY. This is
consistent with libata's original behavior and drivers/ide's behavior.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'include/linux/libata.h')
| -rw-r--r-- | include/linux/libata.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index 8b57b6a806cc..202283b5df96 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -176,9 +176,7 @@ enum { ATA_FLAG_SKIP_D2H_BSY = (1 << 12), /* can't wait for the first D2H * Register FIS clearing BSY */ ATA_FLAG_DEBUGMSG = (1 << 13), - ATA_FLAG_DETECT_POLLING = (1 << 14), /* detect device presence by - * polling IDENTIFY */ - ATA_FLAG_SETXFER_POLLING= (1 << 15), /* use polling for SETXFER */ + ATA_FLAG_SETXFER_POLLING= (1 << 14), /* use polling for SETXFER */ /* The following flag belongs to ap->pflags but is kept in * ap->flags because it's referenced in many LLDs and will be |