From: Viresh Kumar <viresh.kumar@st.com>
Date: Wed, 10 Aug 2011 11:42:11 +0000 (+0530)
Subject: spi/spi-pl022: Don't allocate more sg than required.
X-Git-Tag: v3.2-rc1~123^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b181565ee6a0f894bd6a134b9e5bed2966bdf9b3;p=pandora-kernel.git

spi/spi-pl022: Don't allocate more sg than required.

In routine configure_dma(), if transfer->len = PAGE_SIZE, then pages is one more
than required. While leads to one more sg getting allocated.

This is wrong. Correct this to allocate correct number of sg.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---

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