linux-kernel - Re: [PATCH 2/3] mmc: mvsdio: workaround for spurious irqs

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Message-ID: <20131124170615.GI29241@titan.lakedaemon.net>
Date:	Sun, 24 Nov 2013 12:06:15 -0500
From:	Jason Cooper <jason@...edaemon.net>
To:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Cc:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Andrew Lunn <andrew@...n.ch>, Nicolas Pitre <nico@...xnic.net>,
	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Chris Ball <cjb@...top.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/3] mmc: mvsdio: workaround for spurious irqs

On Fri, Nov 15, 2013 at 03:22:33PM +0100, Sebastian Hesselbarth wrote:
> SDIO controllers found on Marvell Kirkwood SoCs seem to cause a late,
> spurious irq although all interrupts have been disabled. This irq
> doesn't do any harm, neither to HW nor driver. To avoid some
> "unexpected irq" warning later, we workaround above issue by bailing
> out of irq handler early, if we didn't expect any.
> 
> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
> ---
> Cc: Nicolas Pitre <nico@...xnic.net>
> Cc: Chris Ball <cjb@...top.org>
> Cc: Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
> Cc: Jason Cooper <jason@...edaemon.net>
> Cc: Andrew Lunn <andrew@...n.ch>
> Cc: linux-mmc@...r.kernel.org
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: linux-kernel@...r.kernel.org
> ---
>  drivers/mmc/host/mvsdio.c |   15 +++++++++++++++
>  1 files changed, 15 insertions(+), 0 deletions(-)

Acked-by: Jason Cooper <jason@...edaemon.net>

thx,

Jason.
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