diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 42 |
1 files changed, 25 insertions, 17 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index d25a95fe9921..c28552bfeb8d 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -1356,13 +1356,26 @@ static void _enable_sysc(struct omap_hwmod *oh) clkdm = _get_clkdm(oh); if (sf & SYSC_HAS_SIDLEMODE) { + if (oh->flags & HWMOD_SWSUP_SIDLE) { + idlemode = HWMOD_IDLEMODE_NO; + } else { + if (sf & SYSC_HAS_ENAWAKEUP) + _enable_wakeup(oh, &v); + if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) + idlemode = HWMOD_IDLEMODE_SMART_WKUP; + else + idlemode = HWMOD_IDLEMODE_SMART; + } + + /* + * This is special handling for some IPs like + * 32k sync timer. Force them to idle! + */ clkdm_act = (clkdm && clkdm->flags & CLKDM_ACTIVE_WITH_MPU); if (clkdm_act && !(oh->class->sysc->idlemodes & (SIDLE_SMART | SIDLE_SMART_WKUP))) idlemode = HWMOD_IDLEMODE_FORCE; - else - idlemode = (oh->flags & HWMOD_SWSUP_SIDLE) ? - HWMOD_IDLEMODE_NO : HWMOD_IDLEMODE_SMART; + _set_slave_idlemode(oh, idlemode, &v); } @@ -1391,10 +1404,6 @@ static void _enable_sysc(struct omap_hwmod *oh) (sf & SYSC_HAS_CLOCKACTIVITY)) _set_clockactivity(oh, oh->class->sysc->clockact, &v); - /* If slave is in SMARTIDLE, also enable wakeup */ - if ((sf & SYSC_HAS_SIDLEMODE) && !(oh->flags & HWMOD_SWSUP_SIDLE)) - _enable_wakeup(oh, &v); - _write_sysconfig(v, oh); /* @@ -1430,13 +1439,16 @@ static void _idle_sysc(struct omap_hwmod *oh) sf = oh->class->sysc->sysc_flags; if (sf & SYSC_HAS_SIDLEMODE) { - /* XXX What about HWMOD_IDLEMODE_SMART_WKUP? */ - if (oh->flags & HWMOD_SWSUP_SIDLE || - !(oh->class->sysc->idlemodes & - (SIDLE_SMART | SIDLE_SMART_WKUP))) + if (oh->flags & HWMOD_SWSUP_SIDLE) { idlemode = HWMOD_IDLEMODE_FORCE; - else - idlemode = HWMOD_IDLEMODE_SMART; + } else { + if (sf & SYSC_HAS_ENAWAKEUP) + _enable_wakeup(oh, &v); + if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) + idlemode = HWMOD_IDLEMODE_SMART_WKUP; + else + idlemode = HWMOD_IDLEMODE_SMART; + } _set_slave_idlemode(oh, idlemode, &v); } @@ -1455,10 +1467,6 @@ static void _idle_sysc(struct omap_hwmod *oh) _set_master_standbymode(oh, idlemode, &v); } - /* If slave is in SMARTIDLE, also enable wakeup */ - if ((sf & SYSC_HAS_SIDLEMODE) && !(oh->flags & HWMOD_SWSUP_SIDLE)) - _enable_wakeup(oh, &v); - _write_sysconfig(v, oh); } |