On Tue, May 3, 2016 at 3:48 PM, Bin Liu <b-liu@xxxxxx> wrote:
> Hi,
>
> On Tue, May 03, 2016 at 12:03:52PM +0200, Yegor Yefremov wrote:
>> On Thu, Apr 28, 2016 at 4:37 PM, Bin Liu <b-liu@xxxxxx> wrote:
>> > Hi,
>> >
>> > On Thu, Apr 28, 2016 at 09:51:37AM +0300, Maxim Uvarov wrote:
>> >
>> > [snip]
>> >
>> >> Hello Bin,
>> >>
>> >> yes, it also works with that reset and go to finish:
>> >>
>> >> diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
>> >> index c3d5fc9..8cd98e7 100644
>> >> --- a/drivers/usb/musb/musb_host.c
>> >> +++ b/drivers/usb/musb/musb_host.c
>> >> @@ -1599,6 +1599,10 @@ void musb_host_rx(struct musb *musb, u8 epnum)
>> >> status = -EPROTO;
>> >> musb_writeb(epio, MUSB_RXINTERVAL, 0);
>> >>
>> >> + rx_csr &= ~MUSB_RXCSR_H_ERROR;
>> >> + musb_writew(epio, MUSB_RXCSR, rx_csr);
>> >> +
>> >> + goto finish;
>> >> } else if (rx_csr & MUSB_RXCSR_DATAERROR) {
>> >>
>> >> if (USB_ENDPOINT_XFER_ISOC != qh->type) {
>> >>
>> >
>> > Thanks for testing it.
>>
>> Have tested your patch and now both FT4232 and Huawei don't freeze on removal.
>>
>> Bin, Max thanks for fixing this issue.
>>
>> Tested-by: Yegor Yefremov <yegorslists@xxxxxxxxxxxxxx>
>
> Thanks for testing.
>
> Can you please test the patch [1] instead? I'd like to use it as the
> fix.
>
> [1] http://marc.info/?l=linux-usb&m=146222355213935&w=2
The patch behaves the same as the previous one.
Kernel: 4.6-rc6
Yegor
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