From: Cyril Chemparathy <cyril@ti.com>
Date: Sat, 1 May 2010 22:37:55 +0000 (-0400)
Subject: Davinci: gpio - fine grained locking
X-Git-Tag: v2.6.35-rc1~499^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b27b6d03f245e5eaf6473da58a2612077fb7cfe7;p=pandora-kernel.git

Davinci: gpio - fine grained locking

This patch eliminates the global gpio_lock, and implements a per-controller
lock instead.  This also switches to irqsave/irqrestore locks in case gpios
are manipulated in isr.

Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Tested-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---

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