From: Kevin Hilman <khilman@ti.com>
Date: Thu, 21 Apr 2011 16:08:15 +0000 (-0700)
Subject: gpio/omap: _clear_gpio_irqbank: fix flushing of posted write
X-Git-Tag: v3.1-rc1~313^2~20^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df3c851716424fda0c7b14c4cae71cea467a9944;p=pandora-kernel.git

gpio/omap: _clear_gpio_irqbank: fix flushing of posted write

In commit 78a1a6d3411de1a8b0dc1cb92754b5f12f251912 (ARM: OMAP4: Update
the GPIO support) braces were mistakenly added to included the
register read-back inside the cpu_is_* checking.

Remove the braces, ensuring that a register read-back is done, even
when the IRQSTATUS2 register is not written.

Note that the register read-back might be IRQSTATUS1 or IRQSTATUS2
depending on the CPU, but a read-back of any register in that region
will cause a flush of the posted writes.

Signed-off-by: Kevin Hilman <khilman@ti.com>
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