From: Max Filippov <jcmvbkbc@gmail.com>
Date: Sun, 17 May 2009 23:02:31 +0000 (+0400)
Subject: p54spi: fix incorrect access sequence to DMA_WRITE_CTRL in p54spi_spi_write_dma
X-Git-Tag: v2.6.31-rc1~330^2~313^2~65
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=210dd1bb9b0329bcc1b4f8932022eddc6466980c;p=pandora-kernel.git

p54spi: fix incorrect access sequence to DMA_WRITE_CTRL in p54spi_spi_write_dma

Host is not allowed to modify DMA_WRITE_CTRL register
if bit HOST_ALLOWED in it is not set. Wait for HOST_ALLOWED first.

Also get rid of timeout in p54spi_wait_bit as it's been playing
a role of workaround for such an incorrect register access.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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