From: David Brownell <david-b@pacbell.net>
Date: Tue, 17 Jul 2007 11:04:07 +0000 (-0700)
Subject: atmel_spi: minor updates
X-Git-Tag: v2.6.23-rc1~694
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8da0859a246838c81fe57d952b91d419e9c44179;p=pandora-kernel.git

atmel_spi: minor updates

Minor updates to atmel_spi:

 - DMA:
    * Comments to explain the DMA policies
    * Report any mapping errors from spi_transfer()
    * Remove extra loop for DMA mapping

 - Diagnostics:  report minimum clock rate, if we need to reject a
   spi_setup() request because that rate is too low.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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