linux-kernel - MFD: mutex from ISR in ezx-pcap?

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Message-ID: <4A49175E.3020409@gmail.com>
Date:	Mon, 29 Jun 2009 21:34:54 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	sameo@...ux.intel.com
CC:	LKML <linux-kernel@...r.kernel.org>, laforge@...nezx.org,
	drwyrm@...il.com
Subject: MFD: mutex from ISR in ezx-pcap?

Hi,

pcap_adc_irq tries to perform non-atomic operations in ISR which is not
allowed. Above that, it may deadlock.

Since all the operations there (read, write, mutex locking) may sleep,
any objections to convert the ISR contents to a workqueue?
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