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authorGreg Kroah-Hartman <gregkh@suse.de>2011-06-14 06:51:10 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2011-06-14 06:51:23 -0700
commitdcc854579059ff9633db4dc41c681371d22f794e (patch)
tree985489cf3efcb1fcaa193237fb8674d530c188dd /drivers/usb/storage/usb.c
parente73a9891b3a1c9fc0970e0c9dbe2cc47933ad752 (diff)
parent2c53b436a30867eb6b47dd7bab23ba638d1fb0d2 (diff)
Merge 3.0-rc2 into usb-linus as it's needed by some USB patches
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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)