From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: On __raw_readl readl_relaxed and readl nocheinmal
Date: Fri, 27 May 2011 19:06:25 +0100 [thread overview]
Message-ID: <20110527180625.GS24876@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20110527150242.GB14035@e102109-lin.cambridge.arm.com>
On Fri, May 27, 2011 at 04:02:42PM +0100, Catalin Marinas wrote:
> I think Arnd's point was that the writel_relaxed() variant may be even
> more relaxed on other architectures than it is on ARM. I can't talk
> about them.
Actually, writel_relaxed() doesn't exist outside ARM, it's not part of
the IO specification. That's why it shouldn't be used in generic drivers
until it's become part of the IO specification _first_.
next prev parent reply other threads:[~2011-05-27 18:06 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-20 10:04 On __raw_readl readl_relaxed and readl nocheinmal Linus Walleij
2011-05-20 10:42 ` Russell King - ARM Linux
2011-05-20 10:50 ` Arnd Bergmann
2011-05-20 10:55 ` Catalin Marinas
2011-05-27 12:07 ` Jamie Lokier
2011-05-27 14:37 ` Catalin Marinas
2011-05-27 14:14 ` Joakim BECH
2011-05-27 15:02 ` Catalin Marinas
2011-05-27 16:16 ` Arnd Bergmann
2011-05-27 16:38 ` Catalin Marinas
2011-05-27 17:10 ` Arnd Bergmann
2011-05-27 18:06 ` Russell King - ARM Linux [this message]
2011-05-29 9:24 ` Catalin Marinas
2011-05-27 18:04 ` Russell King - ARM Linux
2011-05-31 7:12 ` viresh kumar
2011-05-31 8:53 ` Catalin Marinas
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