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 <[email protected]> Signed-off-by: Basak, Partha <[email protected]> Cc: Felipe Balbi <[email protected]> Cc: Tony Lindgren <[email protected]> Cc: Kevin Hilman <[email protected]> Cc: Cousson, Benoit <[email protected]> Cc: Paul Walmsley <[email protected]> --- 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); } /** -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
