Messages in this thread | ![/](/images/icornerl.gif) | | Subject | Re: [PATCH 2/2] USB: storage: add quirk for SMI SM3350 | From | Icenowy Zheng <> | Date | Thu, 27 Dec 2018 22:38:33 +0800 |
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在 2018-12-27四的 22:34 +0800,Icenowy Zheng写道: > 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> > ---
I forgot to:
Cc: stable@vger.kernel.org
> 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
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