linux-kernel - Re: [PATCH] serial: imx: fix clk

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Date:	Mon, 16 Nov 2015 12:11:44 -0200
From:	Fabio Estevam <festevam@...il.com>
To:	Marcus Folkesson <marcus.folkesson@...il.com>
Cc:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.com>,
	"linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] serial: imx: fix clk_prepare/unprepare usage

On Mon, Nov 16, 2015 at 11:52 AM, Marcus Folkesson
<marcus.folkesson@...il.com> wrote:

> Sorry, seems like the cover-letter was never sent.
> The patch solves this issue:
>
>
> [    6.374678] ------------[ cut here ]------------
> [    6.374716] WARNING: CPU: 0 PID: 113 at kernel/locking/mutex.c:868 mutex_trylock+0x234/0x238()
> [    6.374733] DEBUG_LOCKS_WARN_ON(in_interrupt())
> [    6.374741] Modules linked in:
> [    6.374762] CPU: 0 PID: 113 Comm: mmcqd/0 Not tainted 4.3.0-rc4-dirty #18

This is an old kernel :-) We fixed this in 4.3.0-rc5.
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