This workaround is needed until powerdomain code resets wkdeps.
Signed-off-by: Jouni Hogander <jouni.hogander@xxxxxxxxx>
---
arch/arm/mach-omap2/pm34xx.c | 20 ++++++++++++++++++--
1 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 202c269..449e7b5 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -332,6 +332,20 @@ static struct platform_suspend_ops omap_pm_ops = {
static void __init prcm_setup_regs(void)
{
+ /* XXX Reset all wkdeps. This should be done when initializing
+ * powerdomains */
+ prm_write_mod_reg(0, OMAP3430_IVA2_MOD, PM_WKDEP);
+ prm_write_mod_reg(0, MPU_MOD, PM_WKDEP);
+ prm_write_mod_reg(0, OMAP3430_DSS_MOD, PM_WKDEP);
+ prm_write_mod_reg(0, OMAP3430_NEON_MOD, PM_WKDEP);
+ prm_write_mod_reg(0, OMAP3430_CAM_MOD, PM_WKDEP);
+ prm_write_mod_reg(0, OMAP3430_PER_MOD, PM_WKDEP);
+ if (is_sil_rev_greater_than(OMAP3430_REV_ES1_0)) {
+ prm_write_mod_reg(0, OMAP3430ES2_SGX_MOD, PM_WKDEP);
+ prm_write_mod_reg(0, OMAP3430ES2_USBHOST_MOD, PM_WKDEP);
+ } else
+ prm_write_mod_reg(0, GFX_MOD, PM_WKDEP);
+
/* setup wakup source */
prm_write_mod_reg(OMAP3430_EN_IO | OMAP3430_EN_GPIO1 | OMAP3430_EN_GPT1,
WKUP_MOD, PM_WKEN);
@@ -371,6 +385,10 @@ int __init omap3_pm_init(void)
printk(KERN_ERR "Power Management for TI OMAP3.\n");
+ /* XXX prcm_setup_regs needs to be before enabling hw
+ * supervised mode for powerdomains */
+ prcm_setup_regs();
+
ret = request_irq(INT_34XX_PRCM_MPU_IRQ,
(irq_handler_t)prcm_interrupt_handler,
IRQF_DISABLED, "prcm", NULL);
@@ -397,8 +415,6 @@ int __init omap3_pm_init(void)
suspend_set_ops(&omap_pm_ops);
- prcm_setup_regs();
-
pm_idle = omap3_pm_idle;
err1:
--
1.5.5
--
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