diff options
Diffstat (limited to 'arch/arm/mach-omap2/omap_hwmod.c')
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 5a30658444d..c051fa49359 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -1261,6 +1261,9 @@ int _omap_hwmod_idle(struct omap_hwmod *oh) */ static int _shutdown(struct omap_hwmod *oh) { + int ret; + u8 prev_state; + if (oh->_state != _HWMOD_STATE_IDLE && oh->_state != _HWMOD_STATE_ENABLED) { WARN(1, "omap_hwmod: %s: disabled state can only be entered " @@ -1270,6 +1273,18 @@ static int _shutdown(struct omap_hwmod *oh) pr_debug("omap_hwmod: %s: disabling\n", oh->name); + if (oh->class->pre_shutdown) { + prev_state = oh->_state; + if (oh->_state == _HWMOD_STATE_IDLE) + _omap_hwmod_enable(oh); + ret = oh->class->pre_shutdown(oh); + if (ret) { + if (prev_state == _HWMOD_STATE_IDLE) + _omap_hwmod_idle(oh); + return ret; + } + } + if (oh->class->sysc) _shutdown_sysc(oh); |