diff options
| author | Rajendra Nayak <rnayak@ti.com> | 2012-03-13 22:55:23 +0530 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2012-04-18 18:48:46 +0530 |
| commit | 79f452edc97d804da600e438fff95cbb922ec1fa (patch) | |
| tree | ba0b00ab069a8f4274e0d34d985e76b8ea4b9e2c /arch/arm/mach-omap2 | |
| parent | dc21dd2082c40978bbcd8c081868d2a1c45642a1 (diff) | |
ARM: OMAP2+: hwmod: Restore sysc after a reset
After a softreset, make sure the sysc settings are correctly
restored.
Reported-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Shubhrajyoti D <shubhrajyoti@ti.com>
[paul@pwsan.com: combined post-reset SYSCONFIG reload code into the
_reset() function to avoid duplication and future mistakes]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Diffstat (limited to 'arch/arm/mach-omap2')
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 44fa3fc4d3ba..c3117f1d3391 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -1479,6 +1479,11 @@ static int _reset(struct omap_hwmod *oh) ret = (oh->class->reset) ? oh->class->reset(oh) : _ocp_softreset(oh); + if (oh->class->sysc) { + _update_sysc_cache(oh); + _enable_sysc(oh); + } + return ret; } @@ -1788,20 +1793,9 @@ static int _setup(struct omap_hwmod *oh, void *data) return 0; } - if (!(oh->flags & HWMOD_INIT_NO_RESET)) { + if (!(oh->flags & HWMOD_INIT_NO_RESET)) _reset(oh); - /* - * OCP_SYSCONFIG bits need to be reprogrammed after a softreset. - * The _enable() function should be split to - * avoid the rewrite of the OCP_SYSCONFIG register. - */ - if (oh->class->sysc) { - _update_sysc_cache(oh); - _enable_sysc(oh); - } - } - postsetup_state = oh->_postsetup_state; if (postsetup_state == _HWMOD_STATE_UNKNOWN) postsetup_state = _HWMOD_STATE_ENABLED; |