linux-kernel - Re: [PATCH] m68k: mvme147, mvme16x: Don't wipe PCC timer config bits

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Message-ID: <CAMuHMdV6X6tP5WddrTbowo9=YkZqzOTw71329o6mK=SiFqSQSQ@mail.gmail.com>
Date:   Tue, 6 Apr 2021 09:29:03 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Finn Thain <fthain@...egraphics.com.au>
Cc:     Michael Pavone <pavone@...rodev.com>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] m68k: mvme147, mvme16x: Don't wipe PCC timer config bits

On Tue, Mar 30, 2021 at 9:40 AM Finn Thain <fthain@...egraphics.com.au> wrote:
> Don't clear the timer 1 configuration bits when clearing the interrupt flag
> and counter overflow. As Michael reported, "This results in no timer
> interrupts being delivered after the first. Initialization then hangs
> in calibrate_delay as the jiffies counter is not updated."
>
> On mvme16x, enable the timer after requesting the irq, consistent with
> mvme147.
>
> Cc: Michael Pavone <pavone@...rodev.com>
> Fixes: 7529b90d051e ("m68k: mvme147: Handle timer counter overflow")
> Fixes: 19999a8b8782 ("m68k: mvme16x: Handle timer counter overflow")
> Reported-and-tested-by: Michael Pavone <pavone@...rodev.com>
> Signed-off-by: Finn Thain <fthain@...egraphics.com.au>

Thanks, applying, and queueing in the m68k for-v5.13 branch.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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