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authorJim Lin <jilin@nvidia.com>2020-03-02 22:21:35 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-03-04 10:56:26 +0100
commit86d92f5465958752481269348d474414dccb1552 (patch)
treeef031fe80fc201202342880589127bc1eee139fd /drivers/usb/storage
parentb96ed52d781a2026d0c0daa5787c6f3d45415862 (diff)
downloadlinux-86d92f5465958752481269348d474414dccb1552.tar.gz
usb: storage: Add quirk for Samsung Fit flash
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>
Diffstat (limited to 'drivers/usb/storage')
-rw-r--r--drivers/usb/storage/unusual_devs.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 1cd9b6305b060..1880f3e13f576 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1258,6 +1258,12 @@ 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",