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From 8fb6b7c488b31fbff5b81bdeea5dbb236342458b Mon Sep 17 00:00:00 2001
From: Rajendra Nayak <rnayak@ti.com>
Date: Tue, 29 Mar 2011 22:37:43 +0530
Subject: [PATCH 5/6] OMAP2+: hwmod: Follow the recomended PRCM sequence
Follow the recomended PRCM sequence.
This still does not take care of Optional clocks.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
---
arch/arm/mach-omap2/omap_hwmod.c | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index e034294..fc0db0c 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -1223,6 +1223,7 @@ static int _reset(struct omap_hwmod *oh)
static int _enable(struct omap_hwmod *oh)
{
int r;
+ int hwsup = 0;
if (oh->_state != _HWMOD_STATE_INITIALIZED &&
oh->_state != _HWMOD_STATE_IDLE &&
@@ -1250,10 +1251,16 @@ static int _enable(struct omap_hwmod *oh)
omap_hwmod_mux(oh->mux, _HWMOD_STATE_ENABLED);
_add_initiator_dep(oh, mpu_oh);
+ if (oh->_clk && oh->_clk->clkdm) {
+ hwsup = clkdm_is_idle(oh->_clk->clkdm);
+ clkdm_wakeup(oh->_clk->clkdm);
+ }
_enable_clocks(oh);
-
r = _wait_target_ready(oh);
if (!r) {
+ if (oh->_clk && oh->_clk->clkdm && hwsup)
+ clkdm_allow_idle(oh->_clk->clkdm);
+
oh->_state = _HWMOD_STATE_ENABLED;
/* Access the sysconfig only if the target is ready */
--
1.6.6.1
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