OMAP USBOTG modules has a requirement to set the auto idle bit only after
setting smart idle bit. Modified the _sys_enable api to set the smart idle
first and then the autoidle bit. Setting this will not have any impact on the
other modules.
Signed-off-by: Hema HK <hemahk@xxxxxx>
Signed-off-by: Basak, Partha <p-basak2@xxxxxx>
Cc: Felipe Balbi <balbi@xxxxxx>
Cc: Tony Lindgren <tony@xxxxxxxxxxx>
Cc: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
Cc: Cousson, Benoit <b-cousson@xxxxxx>
Cc: Paul Walmsley <paul@xxxxxxxxx>
---
arch/arm/mach-omap2/omap_hwmod.c | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)
Index: linux-omap-pm/arch/arm/mach-omap2/omap_hwmod.c
===================================================================
--- linux-omap-pm.orig/arch/arm/mach-omap2/omap_hwmod.c
+++ linux-omap-pm/arch/arm/mach-omap2/omap_hwmod.c
@@ -654,12 +654,6 @@ static void _sysc_enable(struct omap_hwm
_set_master_standbymode(oh, idlemode, &v);
}
- if (sf & SYSC_HAS_AUTOIDLE) {
- idlemode = (oh->flags & HWMOD_NO_OCP_AUTOIDLE) ?
- 0 : 1;
- _set_module_autoidle(oh, idlemode, &v);
- }
-
/* XXX OCP ENAWAKEUP bit? */
/*
@@ -672,6 +666,19 @@ static void _sysc_enable(struct omap_hwm
_set_clockactivity(oh, oh->class->sysc->clockact, &v);
_write_sysconfig(v, oh);
+
+ /*
+ * Set the auto idle bit only after setting the smartidle bit
+ * as this is requirement for some modules like USBOTG
+ * setting this will not have any impact on the other modues.
+ */
+
+ if (sf & SYSC_HAS_AUTOIDLE) {
+ idlemode = (oh->flags & HWMOD_NO_OCP_AUTOIDLE) ?
+ 0 : 1;
+ _set_module_autoidle(oh, idlemode, &v);
+ }
+ _write_sysconfig(v, oh);
}
/**
--
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