The smart idle mode in wdtimer2 prevents CORE power domain
idle transitions. Disable SMART idle mode to allow
FORCE idle mode to be used.
Signed-off-by: Kalle Jokiniemi <kalle.jokiniemi@xxxxxxxxx>
---
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 196a834..0be56bd 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -1240,7 +1240,10 @@ static struct omap_hwmod_ocp_if omap3xxx_l4_wkup__wd_timer2 = {
/*
* 'wd_timer' class
* 32-bit watchdog upward counter that generates a pulse on the reset pin on
- * overflow condition
+ * overflow condition.
+ *
+ * Disallow SIDLE_SMART to use SIDLE_FORCE instead as the CORE power domain
+ * sleep transitions only work when wdtimer2 is in SIDLE_FORCE mode.
*/
static struct omap_hwmod_class_sysconfig omap3xxx_wd_timer_sysc = {
@@ -1250,7 +1253,7 @@ static struct omap_hwmod_class_sysconfig omap3xxx_wd_timer_sysc = {
.sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_EMUFREE |
SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET |
SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY),
- .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
+ .idlemodes = (SIDLE_FORCE | SIDLE_NO), /* SIDLE_SMART disabled */
.sysc_fields = &omap_hwmod_sysc_type1,
};
--
1.7.1
--
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