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path: root/drivers/usb/storage/usb.c
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Diffstat (limited to 'drivers/usb/storage/usb.c')
-rw-r--r--drivers/usb/storage/usb.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index 4219c197cb08..0ca095820f3e 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -439,7 +439,9 @@ static void adjust_quirks(struct us_data *us)
US_FL_CAPACITY_HEURISTICS | US_FL_IGNORE_DEVICE |
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_SINGLE_LUN | US_FL_NO_WP_DETECT |
+ US_FL_NO_READ_DISC_INFO | US_FL_NO_READ_CAPACITY_16 |
+ US_FL_INITIAL_READ10);
p = quirks;
while (*p) {
@@ -471,6 +473,12 @@ static void adjust_quirks(struct us_data *us)
case 'c':
f |= US_FL_FIX_CAPACITY;
break;
+ case 'd':
+ f |= US_FL_NO_READ_DISC_INFO;
+ break;
+ case 'e':
+ f |= US_FL_NO_READ_CAPACITY_16;
+ break;
case 'h':
f |= US_FL_CAPACITY_HEURISTICS;
break;
@@ -483,6 +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;
@@ -946,6 +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)