From: "Ulf Samuelsson" <ulf@atmel.com>
To: "Marc Pignat" <marc.pignat@hevs.ch>,
<linux-arm-kernel@lists.arm.linux.org.uk>
Cc: <andrew@sanpeople.com>, <trivial@kernel.org>,
<linux-kernel@vger.kernel.org>,
"Andy Herzig" <andrew.herzig@ngc.com>
Subject: Re: [PATCH] at91 pm: Compilation fix for at91sam926x
Date: Fri, 10 Aug 2007 00:15:28 +0200 [thread overview]
Message-ID: <018a01c7dad3$10ca8190$dcc4af0a@atmel.com> (raw)
In-Reply-To: 200708091801.20077.marc.pignat@hevs.ch
> > +#if defined(CONFIG_ARCH_AT91RM9200)
> > at91_sys_write(AT91_SDRAMC_SRR, 1); /*
> > self-refresh mode */
> Why don't use:
> if (cpu_is_at91rm9200())
> at91_sys_write(AT91_SDRAMC_SRR, 1);
What is the benefit?
Will the optimizer remove the code if the CPU is not the at91rm9200?
Best Regards
Ulf Samuelsson
next prev parent reply other threads:[~2007-08-09 22:50 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-09 12:10 [PATCH] at91 pm: Compilation fix for at91sam926x Andy Herzig
2007-08-09 14:39 ` Andy Herzig
2007-08-09 14:53 ` Hans-Jürgen Koch
2007-08-09 16:01 ` Marc Pignat
2007-08-09 17:17 ` Andy Herzig
2007-08-09 18:19 ` Hans-Jürgen Koch
2007-08-09 22:15 ` Ulf Samuelsson [this message]
2007-08-10 7:12 ` Hans-Jürgen Koch
2007-08-10 7:33 ` Marc Pignat
[not found] ` <3858727143598039860@unknownmsgid>
2007-08-10 10:00 ` Michel Benoit
2007-08-24 7:11 ` Andrew Victor
2007-08-10 13:54 ` Ulf Samuelsson
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