OMAP3: PM: MPU and CORE should stay awake if there is CAM domain ACTIVE

MPU and CORE should stay awake if there is CAM domain ACTIVE. This is
because that module doesn't have wake-up capability.

This should replace the patch that is currently in the PM branch.

Signed-off-by: Jouni Hogander <jouni.hogander@nokia.com>
Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 55567bf..7623eda 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -80,6 +80,7 @@
 
 static struct powerdomain *mpu_pwrdm, *neon_pwrdm;
 static struct powerdomain *core_pwrdm, *per_pwrdm;
+static struct powerdomain *cam_pwrdm;
 
 static int set_pwrdm_state(struct powerdomain *pwrdm, u32 state);
 
@@ -355,6 +356,9 @@
 		}
 	}
 
+	if (pwrdm_read_pwrst(cam_pwrdm) == PWRDM_POWER_ON)
+		omap2_clkdm_deny_idle(mpu_pwrdm->pwrdm_clkdms[0]);
+
 	/* CORE */
 	if (core_next_state < PWRDM_POWER_ON) {
 		omap_uart_prepare_idle(0);
@@ -434,6 +438,7 @@
 
 	pwrdm_post_transition();
 
+	omap2_clkdm_allow_idle(mpu_pwrdm->pwrdm_clkdms[0]);
 }
 
 /*
@@ -1067,6 +1072,7 @@
 	neon_pwrdm = pwrdm_lookup("neon_pwrdm");
 	per_pwrdm = pwrdm_lookup("per_pwrdm");
 	core_pwrdm = pwrdm_lookup("core_pwrdm");
+	cam_pwrdm = pwrdm_lookup("cam_pwrdm");
 
 	omap_push_sram_idle();
 #ifdef CONFIG_SUSPEND