linux-kernel - Re: [PATCH 2/2] misc: add driver support for MAX8997 MUIC

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Message-Id: <20111128154801.05f7c199.akpm@linux-foundation.org>
Date:	Mon, 28 Nov 2011 15:48:01 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Donggeun Kim <dg77.kim@...sung.com>
Cc:	linux-kernel@...r.kernel.org, sameo@...ux.intel.com,
	broonie@...nsource.wolfsonmicro.com, gregkh@...e.de,
	kyungmin.park@...sung.com, myungjoo.ham@...sung.com
Subject: Re: [PATCH 2/2] misc: add driver support for MAX8997 MUIC

On Thu, 24 Nov 2011 18:12:18 +0900
Donggeun Kim <dg77.kim@...sung.com> wrote:

> The MUIC function in MAX8997 device can be used as
> a USB port detector and switch.
> This patch supports the MUIC feature of MAX8997.
> 
> Signed-off-by: Donggeun Kim <dg77.kim@...sung.com>
> Signed-off-by: MyungJoo Ham <myungjoo.ham@...sung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>

Samuel, can you please merge this if/when it's ready?

>
> ...
>
> +static irqreturn_t max8997_muic_irq_handler(int irq, void *data)
> +{
> +	struct max8997_muic_info *info = data;
> +
> +	dev_dbg(info->dev, "irq:%d\n", irq);
> +	info->irq = irq;
> +
> +	schedule_work(&info->irq_work);
> +
> +	return IRQ_HANDLED;
> +}

The code does schedule_work() but I see no flush_work().  Is it
possible for the work to still be pending after device shutdown, or
even after rmmod?

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