Skip to content

Commit

Permalink
OMAP: hwmod: Force a softreset during _setup
Browse files Browse the repository at this point in the history
Force the softreset of every IPs during the _setup phase.
IPs that cannot support softreset or that should not
be reset must set the HWMOD_INIT_NO_RESET flag in the
hwmod struct.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Kevin Hilman <khilman@deeprootsystems.com>
  • Loading branch information
Benoit Cousson authored and Paul Walmsley committed Sep 21, 2010
1 parent 5365efb commit 76e5589
Showing 1 changed file with 9 additions and 9 deletions.
18 changes: 9 additions & 9 deletions arch/arm/mach-omap2/omap_hwmod.c
Original file line number Diff line number Diff line change
Expand Up @@ -980,8 +980,8 @@ static int _reset(struct omap_hwmod *oh)

/* clocks must be on for this operation */
if (oh->_state != _HWMOD_STATE_ENABLED) {
WARN(1, "omap_hwmod: %s: reset can only be entered from "
"enabled state\n", oh->name);
pr_warning("omap_hwmod: %s: reset can only be entered from "
"enabled state\n", oh->name);
return -EINVAL;
}

Expand All @@ -998,8 +998,8 @@ static int _reset(struct omap_hwmod *oh)
MAX_MODULE_SOFTRESET_WAIT, c);

if (c == MAX_MODULE_SOFTRESET_WAIT)
WARN(1, "omap_hwmod: %s: softreset failed (waited %d usec)\n",
oh->name, MAX_MODULE_SOFTRESET_WAIT);
pr_warning("omap_hwmod: %s: softreset failed (waited %d usec)\n",
oh->name, MAX_MODULE_SOFTRESET_WAIT);
else
pr_debug("omap_hwmod: %s: softreset in %d usec\n", oh->name, c);

Expand Down Expand Up @@ -1198,12 +1198,12 @@ static int _setup(struct omap_hwmod *oh, void *data)
}

if (!(oh->flags & HWMOD_INIT_NO_RESET)) {
_reset(oh);

/*
* XXX Do the OCP_SYSCONFIG bits need to be
* reprogrammed after a reset? If not, then this can
* be removed. If they do, then probably the
* _omap_hwmod_enable() function should be split to avoid the
* rewrite of the OCP_SYSCONFIG register.
* OCP_SYSCONFIG bits need to be reprogrammed after a softreset.
* The _omap_hwmod_enable() function should be split to
* avoid the rewrite of the OCP_SYSCONFIG register.
*/
if (oh->class->sysc) {
_update_sysc_cache(oh);
Expand Down

0 comments on commit 76e5589

Please sign in to comment.