usb: storage: Add quirk for Samsung Fit flash
authorJim Lin <jilin@nvidia.com>
Mon, 2 Mar 2020 14:21:35 +0000 (22:21 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 11 Mar 2020 06:53:10 +0000 (07:53 +0100)
commit 86d92f5465958752481269348d474414dccb1552 upstream.

Current driver has 240 (USB2.0) and 2048 (USB3.0) as max_sectors,
e.g., /sys/bus/scsi/devices/0:0:0:0/max_sectors

If data access times out, driver error handling will issue a port
reset.
Sometimes Samsung Fit (090C:1000) flash disk will not respond to
later Set Address or Get Descriptor command.

Adding this quirk to limit max_sectors to 64 sectors to avoid issue
occurring.

Signed-off-by: Jim Lin <jilin@nvidia.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/1583158895-31342-1-git-send-email-jilin@nvidia.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/storage/unusual_devs.h

index 3ebf630..a52ae34 100644 (file)
@@ -1277,6 +1277,12 @@ UNUSUAL_DEV( 0x090a, 0x1200, 0x0000, 0x9999,
                USB_SC_RBC, USB_PR_BULK, NULL,
                0 ),
 
+UNUSUAL_DEV(0x090c, 0x1000, 0x1100, 0x1100,
+               "Samsung",
+               "Flash Drive FIT",
+               USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+               US_FL_MAX_SECTORS_64),
+
 /* aeb */
 UNUSUAL_DEV( 0x090c, 0x1132, 0x0000, 0xffff,
                "Feiya",