diff options
| -rw-r--r-- | Documentation/kernel-parameters.txt | 4 | ||||
| -rw-r--r-- | drivers/usb/storage/usb.c | 9 |
2 files changed, 12 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index cc85a9278190..0e545e044c1b 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -2581,6 +2581,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. bytes of sense data); c = FIX_CAPACITY (decrease the reported device capacity by one sector); + d = NO_READ_DISC_INFO (don't use + READ_DISC_INFO command); + e = NO_READ_CAPACITY_16 (don't use + READ_CAPACITY_16 command); h = CAPACITY_HEURISTICS (decrease the reported device capacity by one sector if the number is odd); diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index 4219c197cb08..5ee7ac42e08f 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -439,7 +439,8 @@ 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); p = quirks; while (*p) { @@ -471,6 +472,12 @@ 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; |