From: Jochen Friedrich <jochen@scram.de>
Date: Thu, 18 Aug 2011 20:50:31 +0000 (+0100)
Subject: ARM: 7024/1: simpad: Cleanup CS3 accessors.
X-Git-Tag: v3.2-rc1~189^2^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de0bc0d1b008d1240c03a0bac4f5534f995ab802;p=pandora-kernel.git

ARM: 7024/1: simpad: Cleanup CS3 accessors.

- prepend CS3 accessors by simpad_ to indicate they
  are specific to simpad devices.
- use spinlock to protect shadow register.
- implement 8 read-only pins.
- use readl/writel macros so barriers are used where
  necessary.
- register CS3 as GPIO controller with 24 pins
  (16 output only and 8 input only).
- fix PCMCIA driver to access the read-only pins
  rather than the shadow register for status bits.

Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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