Messages in this thread Patch in this message | | | From | Icenowy Zheng <> | Subject | [PATCH v2 2/2] USB: storage: add quirk for SMI SM3350 | Date | Thu, 3 Jan 2019 11:26:18 +0800 |
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The SMI SM3350 USB-UFS bridge controller cannot handle long sense request correctly and will make the chip refuse to do read/write when requested long sense.
Add a bad sense quirk for it.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io> --- drivers/usb/storage/unusual_devs.h | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index f7f83b21dc74..ea0d27a94afe 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1265,6 +1265,18 @@ UNUSUAL_DEV( 0x090c, 0x1132, 0x0000, 0xffff, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_CAPACITY ), +/* + * Reported by Icenowy Zheng <icenowy@aosc.io> + * The SMI SM3350 USB-UFS bridge controller will enter a wrong state + * that do not process read/write command if a long sense is requested, + * so force to use 18-byte sense. + */ +UNUSUAL_DEV( 0x090c, 0x3350, 0x0000, 0xffff, + "SMI", + "SM3350 UFS-to-USB-Mass-Storage bridge", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_BAD_SENSE ), + /* * Reported by Paul Hartman <paul.hartman+linux@gmail.com> * This card reader returns "Illegal Request, Logical Block Address -- 2.18.1
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