From: s.hauer@pengutronix.de (Sascha Hauer)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] can: flexcan: add 2nd clock to support imx53 and newer
Date: Wed, 18 Jul 2012 10:49:44 +0200 [thread overview]
Message-ID: <20120718084944.GD30009@pengutronix.de> (raw)
In-Reply-To: <500675C2.9090303@pengutronix.de>
On Wed, Jul 18, 2012 at 10:37:22AM +0200, Marc Kleine-Budde wrote:
>
> Yes, good catch.
>
> Is it allowed to call clk_put with a NULL pointer?
As NULL is a valid clock by definition it is allowed to do this.
However, calling clk_put with a NULL pointer when a corresponding
call to clk_get never returned NULL is probably not a good idea.
Sascha
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next prev parent reply other threads:[~2012-07-18 8:49 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-17 22:05 [PATCH] can: flexcan: add 2nd clock to support imx53 and newer Marc Kleine-Budde
2012-07-18 2:12 ` Hui Wang
2012-07-18 8:37 ` Marc Kleine-Budde
2012-07-18 8:48 ` Hui Wang
2012-07-18 8:49 ` Sascha Hauer [this message]
2012-07-18 9:05 ` Lothar Waßmann
2012-07-18 9:21 ` Marc Kleine-Budde
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