Re: [PATCH RESEND] Revert "media: dvbsky: use just one mutex for serializing device R/W ops"

On 05.10.2018 17:30, Mauro Carvalho Chehab wrote: > Em Fri, 5 Oct 2018 16:34:28 +0200 > Oliver Freyermuth escreveu: > >> Dear Mauro, >> >> thanks! Just to clarify, the issue I described in >> https://bugzilla.kernel.org/show_bug.cgi?id=199323 >> was on an Intel x86_64 system, with an onboard

Re: [PATCH RESEND] Revert "media: dvbsky: use just one mutex for serializing device R/W ops"

Em Fri, 5 Oct 2018 16:34:28 +0200 Oliver Freyermuth escreveu: > Dear Mauro, > > thanks! Just to clarify, the issue I described in > https://bugzilla.kernel.org/show_bug.cgi?id=199323 > was on an Intel x86_64 system, with an onboard USB Controller handled by the > standard xhci driver, > so

Re: [PATCH RESEND] Revert "media: dvbsky: use just one mutex for serializing device R/W ops"

Dear Mauro, thanks! Just to clarify, the issue I described in https://bugzilla.kernel.org/show_bug.cgi?id=199323 was on an Intel x86_64 system, with an onboard USB Controller handled by the standard xhci driver, so this does not affect RPi alone. Cheers and thanks, Oliver Am 05.10.18

[PATCH RESEND] Revert "media: dvbsky: use just one mutex for serializing device R/W ops"

As pointed at: https://bugzilla.kernel.org/show_bug.cgi?id=199323 This patch causes a bad effect on RPi. I suspect that the root cause is at the USB RPi driver, with uses high priority interrupts instead of normal ones. Anyway, as this patch is mostly a cleanup, better to revert it. This