diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/storage/scsiglue.c | 5 | ||||
| -rw-r--r-- | drivers/usb/storage/usb.c | 5 |
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 11418da9bc09..a3d54366afcc 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -236,6 +236,11 @@ static int slave_configure(struct scsi_device *sdev) US_FL_SCM_MULT_TARG)) && us->protocol == USB_PR_BULK) us->use_last_sector_hacks = 1; + + /* Check if write cache default on flag is set or not */ + if (us->fflags & US_FL_WRITE_CACHE) + sdev->wce_default_on = 1; + } else { /* Non-disk-type devices don't need to blacklist any pages diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index e23c30ab66da..d012fe4329e7 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -473,7 +473,7 @@ static void adjust_quirks(struct us_data *us) 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_INITIAL_READ10); + US_FL_INITIAL_READ10 | US_FL_WRITE_CACHE); p = quirks; while (*p) { @@ -529,6 +529,9 @@ static void adjust_quirks(struct us_data *us) case 'o': f |= US_FL_CAPACITY_OK; break; + case 'p': + f |= US_FL_WRITE_CACHE; + break; case 'r': f |= US_FL_IGNORE_RESIDUE; break; |