From: Klaus Pedersen <klaus.k.pedersen@nokia.com>
Date: Fri, 15 Feb 2008 21:31:45 +0000 (+0200)
Subject: tsc2301 - Move SPI data buffer to GFP_KERNEL memory
X-Git-Tag: v2.6.25-omap1~175
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=31a8b2bc0aea39075193bd0a2e4874363341e3e7;p=pandora-kernel.git

tsc2301 - Move SPI data buffer to GFP_KERNEL memory

Because the dma_map_single() on ARM only flushes and invalidates
the cache-lines occupied by the transfer buffer, care should be
taken not to touch memory that share the same cache-lines before
starting the DMA transfer.

Signed-off-by: Klaus Pedersen <klaus.k.pedersen@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---

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