linux-kernel - Re: [PATCH v2] b44: fix resume, request

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Message-Id: <20101021.043036.57469867.davem@davemloft.net>
Date:	Thu, 21 Oct 2010 04:30:36 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	james@...anarts.com
Cc:	zambrano@...adcom.com, jpirko@...hat.com,
	fujita.tomonori@....ntt.co.jp, hauke@...ke-m.de,
	Larry.Finger@...inger.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [PATCH v2] b44: fix resume, request_irq after hw reset

From: James Hogan <james@...anarts.com>
Date: Sun, 17 Oct 2010 12:48:59 +0100

> On resume, call request_irq() after resetting the hardware rather than
> before. It's a shared interrupt so the handler could be called
> immediately if another device on the same irq interrupts (and will be
> called immediately if CONFIG_DEBUG_SHIRQ=y), but unless the hardware is
> reinitialised with b44_init_hw() the read of the interrupt status
> register will hang the system.
> 
> Signed-off-by: James Hogan <james@...anarts.com>

Applied.
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