Re: [PATCH] usb: host: xhci-rcar: Avoid long wait in xhci_reset()

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On Thu, Apr 21, 2016 at 12:27 PM, Yoshihiro Shimoda
<yoshihiro.shimoda.uh@xxxxxxxxxxx> wrote:
>> > [    1.565605] xhci-hcd ee000000.usb: xHCI Host Controller
>> > [    1.570636] xhci-hcd ee000000.usb: new USB bus registered, assigned bus number 5
>> > [   22.270160] xhci-hcd ee000000.usb: can't setup: -110
>> > [   22.274931] xhci-hcd ee000000.usb: USB bus 5 deregistered
>> > [   22.280158] xhci-hcd: probe of ee000000.usb failed with error -110
>> >
>> > The timestamp is strange to me. But, logs of R-Car H3 (ES1.0) and
>> > R-Car H2 were the same.
>>
>> yeah, seems like your system timer is counting twice for each tick.
>
> Yes, I will investigate this later.

The main clock crystal on Salvator-X is half of the expected value. But
despite the correct value being in the DTS, there's some timer code that
doesn't take this into account.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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