diff options
| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2012-09-25 10:03:56 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2012-09-25 10:03:56 -0700 |
| commit | 593d1006cdf710ab3469c0c37c184fea0bc3da97 (patch) | |
| tree | e4db58440018a52089e8d6b39160f753ab10df99 /drivers/pwm/pwm-tiecap.c | |
| parent | 5217192b85480353aeeb395574e60d0db04f3676 (diff) | |
| parent | 9b20aa63b8fc9a6a3b6831f4eae3621755e51211 (diff) | |
Merge remote-tracking branch 'tip/core/rcu' into next.2012.09.25b
Resolved conflict in kernel/sched/core.c using Peter Zijlstra's
approach from https://lkml.org/lkml/2012/9/5/585.
Diffstat (limited to 'drivers/pwm/pwm-tiecap.c')
| -rw-r--r-- | drivers/pwm/pwm-tiecap.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-tiecap.c b/drivers/pwm/pwm-tiecap.c index 0b66d0f2592..4b6688909fe 100644 --- a/drivers/pwm/pwm-tiecap.c +++ b/drivers/pwm/pwm-tiecap.c @@ -100,6 +100,13 @@ static int ecap_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, writel(period_cycles, pc->mmio_base + CAP3); } + if (!test_bit(PWMF_ENABLED, &pwm->flags)) { + reg_val = readw(pc->mmio_base + ECCTL2); + /* Disable APWM mode to put APWM output Low */ + reg_val &= ~ECCTL2_APWM_MODE; + writew(reg_val, pc->mmio_base + ECCTL2); + } + pm_runtime_put_sync(pc->chip.dev); return 0; } |