Merge tag 'omap-for-v3.10/fixes-pm-signed' of...

Merge tag 'omap-for-v3.10/fixes-pm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

From Tony Lindgren <tony@atomide.com>:

Non-critical PM fix via Kevin Hilman <khilman@linaro.org>:

OMAP PM fixes for v3.10

Note that this has a dependency to omap-for-v3.10/cleanup-v2-signed.

* tag 'omap-for-v3.10/fixes-pm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP4+: PM: Restore CPU power state to ON with clockdomain force wakeup method

Signed-off-by: Arnd Bergmann <arnd@arndb.de<

arch/arm/mach-omap2/cpuidle44xx.c

@@ -131,6 +131,7 @@ static int omap4_enter_idle_coupled(struct cpuidle_device *dev,
 	/* Wakeup CPU1 only if it is not offlined */
 	if (dev->cpu == 0 && cpumask_test_cpu(1, cpu_online_mask)) {
 		clkdm_wakeup(cpu_clkdm[1]);
+		omap_set_pwrdm_state(cpu_pd[1], PWRDM_POWER_ON);
 		clkdm_allow_idle(cpu_clkdm[1]);
 	}
 

arch/arm/mach-omap2/omap-smp.c

@@ -76,6 +76,7 @@ static int __cpuinit omap4_boot_secondary(unsigned int cpu, struct task_struct *
 {
 	static struct clockdomain *cpu1_clkdm;
 	static bool booted;
+	static struct powerdomain *cpu1_pwrdm;
 	void __iomem *base = omap_get_wakeupgen_base();
 
 	/*
@@ -95,8 +96,10 @@ static int __cpuinit omap4_boot_secondary(unsigned int cpu, struct task_struct *
 	else
 		__raw_writel(0x20, base + OMAP_AUX_CORE_BOOT_0);
 
-	if (!cpu1_clkdm)
+	if (!cpu1_clkdm && !cpu1_pwrdm) {
 		cpu1_clkdm = clkdm_lookup("mpu1_clkdm");
+		cpu1_pwrdm = pwrdm_lookup("cpu1_pwrdm");
+	}
 
 	/*
 	 * The SGI(Software Generated Interrupts) are not wakeup capable
@@ -109,7 +112,7 @@ static int __cpuinit omap4_boot_secondary(unsigned int cpu, struct task_struct *
 	 * Section :
 	 *	4.3.4.2 Power States of CPU0 and CPU1
 	 */
-	if (booted) {
+	if (booted && cpu1_pwrdm && cpu1_clkdm) {
 		/*
 		 * GIC distributor control register has changed between
 		 * CortexA9 r1pX and r2pX. The Control Register secure
@@ -130,7 +133,12 @@ static int __cpuinit omap4_boot_secondary(unsigned int cpu, struct task_struct *
 			gic_dist_disable();
 		}
 
+		/*
+		 * Ensure that CPU power state is set to ON to avoid CPU
+		 * powerdomain transition on wfi
+		 */
 		clkdm_wakeup(cpu1_clkdm);
+		omap_set_pwrdm_state(cpu1_pwrdm, PWRDM_POWER_ON);
 		clkdm_allow_idle(cpu1_clkdm);
 
 		if (IS_PM44XX_ERRATUM(PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD)) {