From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Axel Lin <axel.lin@ingics.com>
Cc: Thomas Gleixner <tglx@linutronix.de>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH RFT] irqchip: sun4i: Remove wrong irq_ack callback implementation
Date: Fri, 19 Jul 2013 10:20:24 +0200 [thread overview]
Message-ID: <20130719082024.GA5106@lukather> (raw)
In-Reply-To: <1373121329.13289.2.camel@phoenix>
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Hi Axel,
Sorry for the late testing,
On Sat, Jul 06, 2013 at 10:35:29PM +0800, Axel Lin wrote:
> According to the datasheet[1], the Interrupt IRQ Pending Registers are
> read-only. The implementation of sun4i_irq_ack() looks wrong because it writes
> to these read-only registers.
>
> This patch removes the wrong irq_ack callback implementation and all the code
> writing to these read-only registers in sun4i_of_init().
>
> [1] http://dl.linux-sunxi.org/A10/A10%20User%20Manual%20-%20v1.20%20%282012-04-09%2c%20DECRYPTED%29.pdf
>
> Signed-off-by: Axel Lin <axel.lin@ingics.com>
> ---
> Hi Maxime,
> I don't have this hardware, I'd appreciate if you can test this patch.
> If this patch works, I think we can just drop the patch I sent yesterday.
> ( It's "irqchip: sun4i: Staticize sun4i_irq_ack()"
> https://lkml.org/lkml/2013/7/5/43 )
>
> Thanks,
> Axel
Since your previous patch was merged, it generates a merge conflict when
applied on top of 3.11.
I guess you can rebase it on top of 3.11, and then you can add my
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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prev parent reply other threads:[~2013-07-19 8:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-06 14:35 [PATCH RFT] irqchip: sun4i: Remove wrong irq_ack callback implementation Axel Lin
2013-07-11 16:13 ` Maxime Ripard
2013-07-19 9:29 ` Geert Uytterhoeven
2013-07-24 9:51 ` Maxime Ripard
2013-07-19 8:20 ` Maxime Ripard [this message]
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