From: Paul Walmsley <paul@xxxxxxxxx>
The HW superwised smart idle for wdtimer in OMAP3 prevents
CORE power domain idle transitions. Disable it by swithing
to SW supervised transitions.
This could be a hardware bug in the OMAP3 wdtimer2 block.
Signed-off-by: Kalle Jokiniemi <kalle.jokiniemi@xxxxxxxxx>
Signed-off-by: Paul Walmsley <paul@xxxxxxxxx>
Cc: Benoit Cousson <b-cousson@xxxxxx>
---
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 5 +++++
1 files changed, 5 insertions(+), 0 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..ebd3309 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -1293,6 +1293,11 @@ static struct omap_hwmod omap3xxx_wd_timer2_hwmod = {
.slaves = omap3xxx_wd_timer2_slaves,
.slaves_cnt = ARRAY_SIZE(omap3xxx_wd_timer2_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+ /*
+ * XXX: Use software supervised mode, HW supervised smartidle seems to
+ * block CORE power domain idle transitions. Maybe a HW bug in wdt2?
+ */
+ .flags = HWMOD_SWSUP_SIDLE,
};
/* UART common */
--
1.7.1
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
