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From: u.kleine-koenig@pengutronix.de (Uwe Kleine-König)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] [ARM] [IMX]: Removed superfluous checks for argument validity.
Date: Wed, 17 Mar 2010 10:13:49 +0100	[thread overview]
Message-ID: <20100317091349.GA16150@pengutronix.de> (raw)
In-Reply-To: <1268809916-6525-1-git-send-email-vzapolskiy@gmail.com>

Hello Vladimir,

On Wed, Mar 17, 2010 at 10:11:55AM +0300, Vladimir Zapolskiy wrote:
> The checks for clk argument are doubled in __clk_disable() and
> __clk_enable() functions and thus may be skipped in clk_disable() and
> clk_enable() bodies.
Maybe better get rid of the test in __clk_{en,dis}able, as these are
called more often?  Actually I think even a WARN_ON(clk == NULL ||
IS_ERR(clk)) would be OK.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-K?nig            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

  parent reply	other threads:[~2010-03-17  9:13 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-17  7:11 [PATCH 1/2] [ARM] [IMX]: Removed superfluous checks for argument validity Vladimir Zapolskiy
2010-03-17  7:11 ` [PATCH 2/2] [ARM] [IMX]: Fix clock usecount counter from underflow Vladimir Zapolskiy
2010-03-17  9:20   ` Uwe Kleine-König
2010-03-17 10:15     ` javier Martin
2010-03-17 10:57       ` Vladimir Zapolskiy
2010-03-17 11:03     ` [PATCH 2/2 v2] [ARM] [IMX]: Fix clock use counter from underflow on multiple clk_disable() Vladimir Zapolskiy
2010-03-18  8:30       ` Uwe Kleine-König
2010-03-18 13:21         ` Vladimir Zapolskiy
2010-03-17  9:13 ` Uwe Kleine-König [this message]
2010-03-17 10:34   ` [PATCH 1/2] [ARM] [IMX]: Removed superfluous checks for argument validity Vladimir Zapolskiy
2010-03-18  8:37     ` Uwe Kleine-König
2010-03-18 13:07       ` Vladimir Zapolskiy
2010-03-18 13:27       ` [PATCH 1/2 v2] imx: optimize __clk_enable() and __clk_disable() functions Vladimir Zapolskiy
2010-03-18 14:23         ` Vladimir Zapolskiy

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