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authorLinus Torvalds <torvalds@linux-foundation.org>2009-05-22 08:22:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-05-22 08:22:39 -0700
commit5ae115af1dd47734b8f5ecc30b34b7b594b87c57 (patch)
treebe3d405c723997255c5333b5b7c64fdf751c55d7 /drivers/ide/ide-iops.c
parenta15ae93ff7c710191362978453f306943808298d (diff)
parent5993856e53fbc4b4f28e2d481deaebeb715b1267 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: via82cxxx: Add VIA VX855 PCI Device ID ide: report timeouts in ide_busy_sleep() ide: improve failed opcode reporting ide: fix printk() levels in ide_dump_ata[pi]_error() ide: fix OOPS during ide-cd error recovery ide: fix 40-wire cable detection for TSST SH-S202* ATAPI devices (v2)
Diffstat (limited to 'drivers/ide/ide-iops.c')
-rw-r--r--drivers/ide/ide-iops.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index c19a221b1e1..06fe002116e 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -206,8 +206,6 @@ EXPORT_SYMBOL_GPL(ide_in_drive_list);
/*
* Early UDMA66 devices don't set bit14 to 1, only bit13 is valid.
- * We list them here and depend on the device side cable detection for them.
- *
* Some optical devices with the buggy firmwares have the same problem.
*/
static const struct drive_list_entry ivb_list[] = {
@@ -251,10 +249,25 @@ u8 eighty_ninty_three(ide_drive_t *drive)
* - force bit13 (80c cable present) check also for !ivb devices
* (unless the slave device is pre-ATA3)
*/
- if ((id[ATA_ID_HW_CONFIG] & 0x4000) ||
- (ivb && (id[ATA_ID_HW_CONFIG] & 0x2000)))
+ if (id[ATA_ID_HW_CONFIG] & 0x4000)
return 1;
+ if (ivb) {
+ const char *model = (char *)&id[ATA_ID_PROD];
+
+ if (strstr(model, "TSSTcorp CDDVDW SH-S202")) {
+ /*
+ * These ATAPI devices always report 80c cable
+ * so we have to depend on the host in this case.
+ */
+ if (hwif->cbl == ATA_CBL_PATA80)
+ return 1;
+ } else {
+ /* Depend on the device side cable detection. */
+ if (id[ATA_ID_HW_CONFIG] & 0x2000)
+ return 1;
+ }
+ }
no_80w:
if (drive->dev_flags & IDE_DFLAG_UDMA33_WARNED)
return 0;