Am 17.06.20 um 18:37 schrieb Alan Stern: > On Wed, Jun 17, 2020 at 06:02:32PM +0200, Till Dörges wrote: >> Hi Alan, >> >> sorry for the delay. It took me a while to get back to this. >> >> Am 23.05.20 um 22:33 schrieb Alan Stern: >> >>>>>> I'm trying to get external HDDs from Sony to work under Linux with USB 3.0. >>>> [...] >>>>>> - PSZ-HA2T: idVendor=054c, idProduct=087d >>>>>> - PSZ-HA1T: idVendor=054c, idProduct=087d >>>>>> - PSZ-HA50: idVendor=054c, idProduct=087d >>>>>> - PSZ-HC1T: idVendor=054c, idProduct=0c4f >>>> [...] >>>>>> I've also tried several of the quirk settings >>>>>> (https://github.com/torvalds/linux/blob/ead751507de86d90fa250431e9990a8b881f713c/drivers/usb/storage/usb.c#L527). >> >> [...] >>>>> Try adding an entry to the unusual_uas.h file for the device, specifying >>>>> the USB_FL_NO_REPORT_OPCODES flag. >>>> >>>> I'm not sure I understand correctly. Do I have to compile the uas Kernel module >>>> myself if I want to test a flag? >>>> >>>> Because with setting the f flag (via options usb-storage quirks=054c:087d:f) the >>>> PSZ-HA*1*T starts behaving nicely. >>>> >>>> --- snip --- >>>> $ cat /sys/module/usb_storage/parameters/quirks >>>> 054c:087d:f,054c:0c4f:f >>>> --- snip --- >>>> >>>> >>>> The PSZ-HA*2*T, however, still doesn't work with that. >> Since the device stopped working under windows, I'm guessing that it's simply broken. >> >> I'll try to get my hands on a new sample. >> >> >> The PSZ-HA50 and the PSZ-HA1T work nicely when attached to USB 3.0 with this setting: >> >> --- snip --- >> $ cat /sys/module/usb_storage/parameters/quirks >> 054c:087d:u >> --- snip --- >> >> W/o this quirk they do not work. >> >> >> I'd be surprised if a non-broken PSZ-HA2T behaved any differently. >> >> So perhaps you might want to consider adding that quirk directly into the Kernel? >> >> >> FTR, the PSZ-HC1T just worked. > > Okay. If you would like to write a patch for the quirk and submit it, you > can. Otherwise I'll write one for you. I'd gladly take your offer of writing one for me. :-) Thanks -- Till -- Dipl.-Inform. Till Dörges doerges@xxxxxxxxxxxx PRESENSE Technologies GmbH Nagelsweg 41, D-20097 HH Geschäftsführer/Managing Directors AG Hamburg, HRB 107844 Till Dörges, Jürgen Sander USt-IdNr.: DE263765024
