linux-kernel - Re: [PATCH] mfd: MAX77693: Fix bug of interrupt handlding for MAX77693 devices

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Date:	Tue, 17 Jul 2012 08:30:17 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	sameo@...ux.intel.com, myungjoo.ham@...sung.com,
	kyungmin.park@...sung.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mfd: MAX77693: Fix bug of interrupt handlding for MAX77693
 devices

On 07/16/2012 10:36 PM, Mark Brown wrote:

> On Mon, Jul 16, 2012 at 06:41:05PM +0900, Chanwoo Choi wrote:
>> This patch fix bug related to interrupt handling for MAX77693 devices.
>> - Unmask interrupt masking bit for charger/flash/muic to revolve
>> that interrupt isn't happened when external connector is attached.
> 
> Shouldn't this be happening when the IRQ is requested?
> 


The interrupt isn't happened when external connector is attached
because muic interrupt of MAX77693 is masked on INTSRC_MASK(
Interrupt Source Mask) register. So, I should set zero to muic interrupt
masking bit of INTSRC_MASK before requesting IRQ.

Thank you,
Chanwoo Choi
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