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@xxxxxxxxx>
Signed-off-by: Tero Kristo <tero.kristo@xxxxxxxxx>
---
arch/arm/mach-omap2/pm34xx.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index bc2d4bc..2eafb55 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -83,6 +83,7 @@ static void (*saved_idle)(void);
static struct powerdomain *mpu_pwrdm, *neon_pwrdm;
static struct powerdomain *core_pwrdm, *per_pwrdm;
+static struct powerdomain *cam_pwrdm;
static inline void omap3_per_save_context(void)
{
@@ -335,6 +336,9 @@ void omap_sram_idle(void)
}
}
+ 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);
@@ -402,6 +406,8 @@ void omap_sram_idle(void)
omap_uart_resume_idle(1);
}
+ omap2_clkdm_allow_idle(mpu_pwrdm->pwrdm_clkdms[0]);
+
/* PER */
if (per_next_state < PWRDM_POWER_ON) {
per_prev_state = pwrdm_read_prev_pwrst(per_pwrdm);
@@ -953,6 +959,7 @@ int __init omap3_pm_init(void)
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();
--
1.5.4.3
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