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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Chanwoo Choi <cw00.choi@samsung.com>
Cc: sameo@linux.intel.com, myungjoo.ham@samsung.com,
	kyungmin.park@samsung.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mfd: MAX77693: Fix bug of interrupt handlding for MAX77693 devices
Date: Tue, 17 Jul 2012 20:14:51 +0100	[thread overview]
Message-ID: <20120717191451.GK4477@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <5004A409.9000002@samsung.com>

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On Tue, Jul 17, 2012 at 08:30:17AM +0900, Chanwoo Choi wrote:
> 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.

Right, but normally that unmasking happens in the unmask() callback of
the irq_chip which is called when the interrupt is requested.  Why isn't
that working here?

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  reply	other threads:[~2012-07-17 19:14 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-16  9:41 [PATCH] mfd: MAX77693: Fix bug of interrupt handlding for MAX77693 devices Chanwoo Choi
2012-07-16 13:36 ` Mark Brown
2012-07-16 23:30   ` Chanwoo Choi
2012-07-17 19:14     ` Mark Brown [this message]
2012-07-18  0:50       ` Chanwoo Choi

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