RE: [PATCH v2] usb: host: ehci-platform: add a quirk to avoid stuck

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Hi Geert-san,

Thank you for your review!

> From: Geert Uytterhoeven, Sent: Thursday, January 23, 2020 10:34 PM
<snip>
> > --- a/drivers/usb/host/ehci-platform.c
> > +++ b/drivers/usb/host/ehci-platform.c
> 
> > +static const struct soc_device_attribute quirk_poll_match[] = {
> > +       { .soc_id = "r8a7795" },
> > +       { .soc_id = "r8a77951" },
> 
> As .soc_id is derived from the main compatible value, it is "r8a7795" for both
> R-Car H3 ES1.x (R8A77950) and ES2.0+ (R8A77951).

Oh, I got it.

> > +       { .soc_id = "r8a7796" },
> > +       { .soc_id = "r8a77961" },
> > +       { .soc_id = "r8a77965" },
> > +       { .soc_id = "r8a77990" },
> > +       { .soc_id = "r8a77995" },
> 
> Instead of matching on .soc_id, you can also match on .family = "R-Car Gen3"
> (until we discover a future family member that is not affected?).

Thank you for this suggestion. I'll use such a .family (until then).

> I guess this affects RZ/G2, too? .family = "RZ/G2".

I think so. So, I'll add "RZ/G2" on v3 patch.

Best regards,
Yoshihiro Shimoda

> 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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