From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Thu, 24 Jan 2008 15:40:03 +0000 (+0300)
Subject: spi_mpc83xx: use brg-frequency for SPI in QE
X-Git-Tag: v2.6.25-rc1~1131^2~32
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=59a0ea5091d309fa8338954b84cf5307dbd83ec9;p=pandora-kernel.git

spi_mpc83xx: use brg-frequency for SPI in QE

In case of QE we can use brg-frequency (which is qeclk/2).
Thus no need to divide sysclk in the spi_mpc83xx.

This patch also adds code to use get_brgfreq() on QE chips.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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