From: Russell King <rmk@arm.linux.org.uk>
To: Grant Grundler <grundler@parisc-linux.org>
Cc: linux-serial@vger.kernel.org
Subject: Re: ioremap_nocache() in setup_port() ok?
Date: Thu, 30 Mar 2006 08:57:52 +0100 [thread overview]
Message-ID: <20060330075752.GA19700@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20060330075410.GB1722@colo.lackof.org>
On Thu, Mar 30, 2006 at 12:54:10AM -0700, Grant Grundler wrote:
> Am I correct that serial also wants _nocache() for MMIO space?
Don't know - I've always taken ioremap_nocache() as a mis-understanding
of what ioremap() itself is supposed to do. Indeed, if you look at
IO-mapping.txt, ioremap_nocache() is not mentioned, and it's pretty
clear that ioremap() is what is intended to be used to map MMIO.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
next prev parent reply other threads:[~2006-03-30 7:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-30 7:54 ioremap_nocache() in setup_port() ok? Grant Grundler
2006-03-30 7:57 ` Russell King [this message]
2006-03-30 18:12 ` Grant Grundler
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