On Tue, Aug 09, 2022 at 01:29:11PM +0200, Witold Lipieta wrote: > This is USB mass storage primary boot loader for code download on > NXP PN7462AU. > > Without the quirk it is impossible to write whole memory at once as > device restarts during the write due to bogus residue values reported. > > Signed-off-by: Witold Lipieta <witold.lipieta@xxxxxxxxxxxxx> > --- Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> > Output from /sys/kernel/debug/usb/devices: > T: Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 4 Spd=12 MxCh= 0 > D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 > P: Vendor=1fc9 ProdID=0117 Rev= 1.00 > S: Manufacturer=NXP > S: Product=PN7462AU > C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=100mA > I:* If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage > E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms > E: Ad=01(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms > drivers/usb/storage/unusual_devs.h | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h > index b6a9a7451620..ee6923b6ab31 100644 > --- a/drivers/usb/storage/unusual_devs.h > +++ b/drivers/usb/storage/unusual_devs.h > @@ -2265,6 +2265,13 @@ UNUSUAL_DEV( 0x1e74, 0x4621, 0x0000, 0x0000, > USB_SC_DEVICE, USB_PR_DEVICE, NULL, > US_FL_BULK_IGNORE_TAG | US_FL_MAX_SECTORS_64 ), > > +/* Reported by Witold Lipieta <witold.lipieta@xxxxxxxxxxxxx> */ > +UNUSUAL_DEV( 0x1fc9, 0x0117, 0x0100, 0x0100, > + "NXP Semiconductors", > + "PN7462AU", > + USB_SC_DEVICE, USB_PR_DEVICE, NULL, > + US_FL_IGNORE_RESIDUE ), > + > /* Supplied with some Castlewood ORB removable drives */ > UNUSUAL_DEV( 0x2027, 0xa001, 0x0000, 0x9999, > "Double-H Technology", > -- > 2.34.1 >
