summaryrefslogtreecommitdiffstats
path: root/drivers/usb/storage/usb.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2011-06-16 13:23:15 +0200
committerIngo Molnar <mingo@elte.hu>2011-06-16 13:23:22 +0200
commitb4f9f2b64aa189c5584f266f4f0343af7a705441 (patch)
treef410718bb93590ff61682b566c10f70d5883bbcd /drivers/usb/storage/usb.c
parent76369139ceb955deefc509e6e12ce9d6ce50ccab (diff)
parent2c53b436a30867eb6b47dd7bab23ba638d1fb0d2 (diff)
Merge commit 'v3.0-rc3' into perf/core
Merge reason: add the latest fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/usb/storage/usb.c')
-rw-r--r--drivers/usb/storage/usb.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index 5ee7ac42e08..0ca095820f3 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -440,7 +440,8 @@ static void adjust_quirks(struct us_data *us)
US_FL_NOT_LOCKABLE | US_FL_MAX_SECTORS_64 |
US_FL_CAPACITY_OK | US_FL_IGNORE_RESIDUE |
US_FL_SINGLE_LUN | US_FL_NO_WP_DETECT |
- US_FL_NO_READ_DISC_INFO | US_FL_NO_READ_CAPACITY_16);
+ US_FL_NO_READ_DISC_INFO | US_FL_NO_READ_CAPACITY_16 |
+ US_FL_INITIAL_READ10);
p = quirks;
while (*p) {
@@ -490,6 +491,9 @@ static void adjust_quirks(struct us_data *us)
case 'm':
f |= US_FL_MAX_SECTORS_64;
break;
+ case 'n':
+ f |= US_FL_INITIAL_READ10;
+ break;
case 'o':
f |= US_FL_CAPACITY_OK;
break;
@@ -953,6 +957,13 @@ int usb_stor_probe2(struct us_data *us)
if (result)
goto BadDevice;
+ /*
+ * If the device returns invalid data for the first READ(10)
+ * command, indicate the command should be retried.
+ */
+ if (us->fflags & US_FL_INITIAL_READ10)
+ set_bit(US_FLIDX_REDO_READ10, &us->dflags);
+
/* Acquire all the other resources and add the host */
result = usb_stor_acquire_resources(us);
if (result)