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authorRobert Richter <robert.richter@amd.com>2009-06-10 23:47:10 +0400
committerRobert Richter <robert.richter@amd.com>2009-06-10 23:47:10 +0400
commit0886751c5d8b19fcee2e65d34ae21c9111e652a9 (patch)
tree015e8c2b3d44d46e9e8fccd016340c51bc876d3b /drivers/ide/ide-iops.c
parent7e4e0bd50e80df2fe5501f48f872448376cdd997 (diff)
parent07a2039b8eb0af4ff464efd3dfd95de5c02648c6 (diff)
downloadlinux-0886751c5d8b19fcee2e65d34ae21c9111e652a9.tar.xz
Merge commit 'v2.6.30' into oprofile/master
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 c19a221b1e18..06fe002116ec 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;