From: "Michał Mirosław" <mirq-linux@rere.qmqm.pl>
To: Markus Elfring <Markus.Elfring@web.de>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org,
Ludovic Desroches <ludovic.desroches@microchip.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] misc: atmel-ssc: lock with mutex instead of spinlock
Date: Mon, 1 Jun 2020 19:31:27 +0200 [thread overview]
Message-ID: <20200601173126.GA31822@qmqm.qmqm.pl> (raw)
In-Reply-To: <eb9b1cb3-5b3f-f387-da45-71427a4383ed@web.de>
On Mon, Jun 01, 2020 at 11:18:48AM +0200, Markus Elfring wrote:
> > Uninterruptible context is not needed in the driver and causes lockdep
> > warning because of mutex taken in of_alias_get_id().
>
> Was a spin lock taken?
> > Convert the lock to mutex to avoid the issue.
> Would you like to add the tag “Fixes” to the commit message?
I guess we can add:
Fixes: 099343c64e16 ("ARM: at91: atmel-ssc: add device tree support")
Best Regards
Michał Mirosław
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next parent reply other threads:[~2020-06-01 17:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <eb9b1cb3-5b3f-f387-da45-71427a4383ed@web.de>
2020-06-01 17:31 ` Michał Mirosław [this message]
2020-06-01 3:45 [PATCH] misc: atmel-ssc: lock with mutex instead of spinlock Michał Mirosław
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