From: Cyril Chemparathy <cyril@ti.com>
Date: Thu, 25 Mar 2010 21:43:47 +0000 (-0400)
Subject: Davinci: support LPSC SwRstDisable state
X-Git-Tag: v2.6.35-rc1~499^2~37
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=52958be3ad6e2b72a5943718f339ed4e11685739;p=pandora-kernel.git

Davinci: support LPSC SwRstDisable state

The current clock control code always gates the clock (PSC state Disable = 2)
on clk_disable().  Some on-chip peripherals (e.g. LCD controller on TNETV107X)
need to be put into SwRstDisable = 0 on clock disable, to maintain
hardware sanity.

This patch extends the davinci_psc_config() arguments to pass in the desired
module state instead of a boolean enable/disable.  Further, clk_disable() now
checks for the PSC_SWRSTDISABLE clk flag before selecting the target state.

Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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