Merge branch 'omap-fixes'

* omap-fixes:
  ARM: OMAP2: Register the L4 io bus to boot OMAP2
  ARM: OMAP1: Compile in other 16xx boards to OSK defconfig
  ARM: OMAP1: Refresh H2 defconfig
  ARM: OMAP1: Refresh OSK defconfig
  ARM: OMAP: gpio lockdep updates
  ARM: OMAP1: omap1/pm.c build fix
  ARM: OMAP1: omap h2 regression fix
  ARM: OMAP1: Fix compile for boards depending on old gpio expander
  ARM: OMAP1: omap h3 regression and build fix
  ARM: OMAP: Remove compiler warning when i2c is not set
  ARM: OMAP: fix omap i2c init (regression)
  ARM: OMAP: fix false lockdep warnings
  ARM: OMAP: Fix sleep under spinlock for cpufreq
  ARM: OMAP: Pass logical DMA channel number always to callback handlers

1 files changed, 10 insertions, 22 deletions

diff --git a/arch/arm/plat-omap/cpu-omap.c b/arch/arm/plat-omap/cpu-omap.c
index c0d63b0c61c..d719c15daa5 100644
--- a/arch/arm/plat-omap/cpu-omap.c
+++ b/arch/arm/plat-omap/cpu-omap.c
@@ -33,43 +33,33 @@
 #define MPU_CLK		"virt_prcm_set"
 #endif
 
+static struct clk *mpu_clk;
+
 /* TODO: Add support for SDRAM timing changes */
 
 int omap_verify_speed(struct cpufreq_policy *policy)
 {
-	struct clk * mpu_clk;
-
 	if (policy->cpu)
 		return -EINVAL;
 
 	cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
 				     policy->cpuinfo.max_freq);
-	mpu_clk = clk_get(NULL, MPU_CLK);
-	if (IS_ERR(mpu_clk))
-		return PTR_ERR(mpu_clk);
+
 	policy->min = clk_round_rate(mpu_clk, policy->min * 1000) / 1000;
 	policy->max = clk_round_rate(mpu_clk, policy->max * 1000) / 1000;
 	cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
 				     policy->cpuinfo.max_freq);
-	clk_put(mpu_clk);
-
 	return 0;
 }
 
 unsigned int omap_getspeed(unsigned int cpu)
 {
-	struct clk * mpu_clk;
 	unsigned long rate;
 
 	if (cpu)
 		return 0;
 
-	mpu_clk = clk_get(NULL, MPU_CLK);
-	if (IS_ERR(mpu_clk))
-		return 0;
 	rate = clk_get_rate(mpu_clk) / 1000;
-	clk_put(mpu_clk);
-
 	return rate;
 }
 
@@ -77,14 +67,9 @@ static int omap_target(struct cpufreq_policy *policy,
 		       unsigned int target_freq,
 		       unsigned int relation)
 {
-	struct clk * mpu_clk;
 	struct cpufreq_freqs freqs;
 	int ret = 0;
 
-	mpu_clk = clk_get(NULL, MPU_CLK);
-	if (IS_ERR(mpu_clk))
-		return PTR_ERR(mpu_clk);
-
 	freqs.old = omap_getspeed(0);
 	freqs.new = clk_round_rate(mpu_clk, target_freq * 1000) / 1000;
 	freqs.cpu = 0;
@@ -92,15 +77,12 @@ static int omap_target(struct cpufreq_policy *policy,
 	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 	ret = clk_set_rate(mpu_clk, target_freq * 1000);
 	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
-	clk_put(mpu_clk);
 
 	return ret;
 }
 
 static int __init omap_cpu_init(struct cpufreq_policy *policy)
 {
-	struct clk * mpu_clk;
-
 	mpu_clk = clk_get(NULL, MPU_CLK);
 	if (IS_ERR(mpu_clk))
 		return PTR_ERR(mpu_clk);
@@ -111,17 +93,23 @@ static int __init omap_cpu_init(struct cpufreq_policy *policy)
 	policy->cpuinfo.min_freq = clk_round_rate(mpu_clk, 0) / 1000;
 	policy->cpuinfo.max_freq = clk_round_rate(mpu_clk, VERY_HI_RATE) / 1000;
 	policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
-	clk_put(mpu_clk);
 
 	return 0;
 }
 
+static int omap_cpu_exit(struct cpufreq_policy *policy)
+{
+	clk_put(mpu_clk);
+	return 0;
+}
+
 static struct cpufreq_driver omap_driver = {
 	.flags		= CPUFREQ_STICKY,
 	.verify		= omap_verify_speed,
 	.target		= omap_target,
 	.get		= omap_getspeed,
 	.init		= omap_cpu_init,
+	.exit		= omap_cpu_exit,
 	.name		= "omap",
 };