linux-kernel - Re: [PATCH] MIPS: SNI: Fix spurious interrupts

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Message-ID: <20200917135515.GA12790@alpha.franken.de>
Date:   Thu, 17 Sep 2020 15:55:15 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Ralf Baechle <ralf@...ux-mips.org>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MIPS: SNI: Fix spurious interrupts

On Wed, Sep 16, 2020 at 03:54:37PM +0200, Thomas Bogendoerfer wrote:
> On A20R machines the interrupt pending bits in cause register need to be
> updated by requesting the chipset to do it. This needs to be done to
> find the interrupt cause and after interrupt service. In
> commit 0b888c7f3a03 ("MIPS: SNI: Convert to new irq_chip functions") the
> function to do after service update got lost, which caused spurious
> interrupts.
> 
> Fixes: 0b888c7f3a03 ("MIPS: SNI: Convert to new irq_chip functions")
> Signed-off-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
> ---
>  arch/mips/sni/a20r.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)

applied to mips-fixes.

Thomas.

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