summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorKalle Jokiniemi <kalle.jokiniemi@digia.com>2009-04-23 12:58:51 +0200
committerKevin Hilman <khilman@deeprootsystems.com>2009-11-11 23:42:27 +0100
commit867d320b6c30d2478358eafeca0e1a6c60cf06c3 (patch)
treef6c16838244c48d011a9868d53e438844d7328a6
parentOMAP3: PM: Fix INTC context save/restore (diff)
downloadlinux-867d320b6c30d2478358eafeca0e1a6c60cf06c3.tar.xz
linux-867d320b6c30d2478358eafeca0e1a6c60cf06c3.zip
PM: Disable usb host HW save and restore
The hardware SAVEANDRESTORE mechanism seems to leave USB HOST power domain permanently into active state after one transition from off to active state. Disabling for now. Signed-off-by: Kalle Jokiniemi <ext-kalle.jokiniemi@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
-rw-r--r--arch/arm/mach-omap2/powerdomains34xx.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/powerdomains34xx.h b/arch/arm/mach-omap2/powerdomains34xx.h
index f70eb2da17e7..fd09b0827df0 100644
--- a/arch/arm/mach-omap2/powerdomains34xx.h
+++ b/arch/arm/mach-omap2/powerdomains34xx.h
@@ -338,7 +338,13 @@ static struct powerdomain usbhost_pwrdm = {
.sleepdep_srcs = dss_per_usbhost_sleepdeps,
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRDM_POWER_RET,
- .flags = PWRDM_HAS_HDWR_SAR, /* for USBHOST ctrlr only */
+ /*
+ * REVISIT: Enabling usb host save and restore mechanism seems to
+ * leave the usb host domain permanently in ACTIVE mode after
+ * changing the usb host power domain state from OFF to active once.
+ * Disabling for now.
+ */
+ /*.flags = PWRDM_HAS_HDWR_SAR,*/ /* for USBHOST ctrlr only */
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET, /* MEMRETSTATE */