Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

regulator: Fixes for v3.14-rc5

Browse source 
A couple of fixes here which ensure that regulators using the core
 support for GPIO enables work in all cases by ensuring that helpers are
 used consistently rather than open coding in places and hence not having
 GPIO support in some of them.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABAgAGBQJTFU8hAAoJELSic+t+oim9SmgP+wVddsDf+4igNw6Lo5JTW368
 aY5m6ulB8XIwCtYQhsLHzUIcVbY3/p1zY+cdi0VmmINja3qHCE30H4Asq/LjcT9U
 1DI4Z20CgUOST5PZDKK5+sILSro/AxfsnGyIIj5F9YhX3wl46jUfrw2us5fbPDJU
 ny3NnUM8R/fFIzOd0ishxcY3L1GSe/4a2Ob9uqsq/tPWAeHKoDVAefN6wUeFhulI
 0CVlrRaL/FGnnbdcQ+TZgKxm7TXRrUkLqrUR2RxZr7Olk2ZEQhT18OcncdFesIM2
 F9GuXE+QL04QrTeLVOsPXWqmcS0UzJqy2luNBbMfOQ/K/JY/lyL6wrLlVi4snfcX
 v2GrrPQTJ13IU/itBtAMOtWmjJlg3r91vYgqXu05T/7Lt2DCkp3YfUZ6UDjwDe1c
 K4l/l/VwbUPur3NhMupZO+Ohfe+grp2+UPCUC6McmNWAEJSZPoGA7lNo618ZfrQQ
 x3ByYcIit9dpTNw6j0rWbgOqsZ4VscW32gSJd+QXAqxolbvnbDnRDHNjS4O9sx1k
 rHHZk8oDvhkfp4ptSkWQeuDUEAZsuidlonQMdfQl1+T2yZnxE19G3CwmPA94itAk
 i8owlr+Fp3YcDoE8jaRf2JFKiKHC5f3dF5ceDqFufMk0a+nqEGkOj/RmGch3y3wz
 itzqO0PcRi/YEsoTW7dt
 =Vx3C
 -----END PGP SIGNATURE-----

Merge tag 'regulator-v3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A couple of fixes here which ensure that regulators using the core
  support for GPIO enables work in all cases by ensuring that helpers
  are used consistently rather than open coding in places and hence not
  having GPIO support in some of them"

* tag 'regulator-v3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: core: Replace direct ops->disable usage
  regulator: core: Replace direct ops->enable usage
This commit is contained in:
Linus Torvalds 2014-03-04 08:41:42 -08:00
commit 16e3f5391c
1 changed files with 20 additions and 28 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

48
drivers/regulator/core.c
View file

@ -953,6 +953,8 @@ static int machine_constraints_current(struct regulator_dev *rdev,
return 0;
}
static int _regulator_do_enable(struct regulator_dev *rdev);
/**
* set_machine_constraints - sets regulator constraints
* @rdev: regulator source
@ -1013,10 +1015,9 @@ static int set_machine_constraints(struct regulator_dev *rdev,
/* If the constraints say the regulator should be on at this point
* and we have control then make sure it is enabled.
*/
if ((rdev->constraints->always_on || rdev->constraints->boot_on) &&
ops->enable) {
ret = ops->enable(rdev);
if (ret < 0) {
if (rdev->constraints->always_on || rdev->constraints->boot_on) {
ret = _regulator_do_enable(rdev);
if (ret < 0 && ret != -EINVAL) {
rdev_err(rdev, "failed to enable\n");
goto out;
}
@ -1907,8 +1908,6 @@ static int _regulator_do_disable(struct regulator_dev *rdev)
trace_regulator_disable_complete(rdev_get_name(rdev));
_notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE,
NULL);
return 0;
}
@ -1932,6 +1931,8 @@ static int _regulator_disable(struct regulator_dev *rdev)
rdev_err(rdev, "failed to disable\n");
return ret;
}
_notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE,
NULL);
}
rdev->use_count = 0;
@ -1984,20 +1985,16 @@ static int _regulator_force_disable(struct regulator_dev *rdev)
{
int ret = 0;
/* force disable */
if (rdev->desc->ops->disable) {
/* ah well, who wants to live forever... */
ret = rdev->desc->ops->disable(rdev);
if (ret < 0) {
rdev_err(rdev, "failed to force disable\n");
return ret;
}
/* notify other consumers that power has been forced off */
_notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE |
REGULATOR_EVENT_DISABLE, NULL);
ret = _regulator_do_disable(rdev);
if (ret < 0) {
rdev_err(rdev, "failed to force disable\n");
return ret;
}
return ret;
_notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE |
REGULATOR_EVENT_DISABLE, NULL);
return 0;
}
/**
@ -3630,23 +3627,18 @@ int regulator_suspend_finish(void)
mutex_lock(&regulator_list_mutex);
list_for_each_entry(rdev, &regulator_list, list) {
struct regulator_ops *ops = rdev->desc->ops;
mutex_lock(&rdev->mutex);
if ((rdev->use_count > 0 || rdev->constraints->always_on) &&
ops->enable) {
error = ops->enable(rdev);
if (rdev->use_count > 0 || rdev->constraints->always_on) {
error = _regulator_do_enable(rdev);
if (error)
ret = error;
} else {
if (!have_full_constraints())
goto unlock;
if (!ops->disable)
goto unlock;
if (!_regulator_is_enabled(rdev))
goto unlock;
error = ops->disable(rdev);
error = _regulator_do_disable(rdev);
if (error)
ret = error;
}
@ -3820,7 +3812,7 @@ static int __init regulator_init_complete(void)
ops = rdev->desc->ops;
c = rdev->constraints;
if (!ops->disable || (c && c->always_on))
if (c && c->always_on)
continue;
mutex_lock(&rdev->mutex);
@ -3841,7 +3833,7 @@ static int __init regulator_init_complete(void)
/* We log since this may kill the system if it
* goes wrong. */
rdev_info(rdev, "disabling\n");
ret = ops->disable(rdev);
ret = _regulator_do_disable(rdev);
if (ret != 0)
rdev_err(rdev, "couldn't disable: %d\n", ret);
} else {