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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2020-03-08 00:54:04 +0100
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2020-03-08 00:54:04 +0100
commitf2c1392ff3473a396e4d177ff5ad368b9d6cd211 (patch)
tree2111e8c1e50e3fa56fc46bd4e80e5a577459e768 /drivers/pwm
parentb16d3d60b112c8cb90ebcd7ae97a5d2207d6f43c (diff)
parente0f8b8a65a473a8baa439cf865a694bbeb83fe90 (diff)
Merge tag 'v4.14.170' into 4.14-2.3.x-imx
This is the 4.14.170 stable release Conflicts: drivers/net/phy/phy_device.c drivers/tty/serial/imx.c include/linux/platform_data/dma-imx-sdma.h net/wireless/util.c
Diffstat (limited to 'drivers/pwm')
-rw-r--r--drivers/pwm/pwm-lpss.c6
-rw-r--r--drivers/pwm/pwm-meson.c9
2 files changed, 8 insertions, 7 deletions
diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c
index 1e69c1c9ec09..7a4a6406cf69 100644
--- a/drivers/pwm/pwm-lpss.c
+++ b/drivers/pwm/pwm-lpss.c
@@ -216,6 +216,12 @@ EXPORT_SYMBOL_GPL(pwm_lpss_probe);
int pwm_lpss_remove(struct pwm_lpss_chip *lpwm)
{
+ int i;
+
+ for (i = 0; i < lpwm->info->npwm; i++) {
+ if (pwm_is_enabled(&lpwm->chip.pwms[i]))
+ pm_runtime_put(lpwm->chip.dev);
+ }
return pwmchip_remove(&lpwm->chip);
}
EXPORT_SYMBOL_GPL(pwm_lpss_remove);
diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c
index 9b79cbc7a715..3d2c36963a4f 100644
--- a/drivers/pwm/pwm-meson.c
+++ b/drivers/pwm/pwm-meson.c
@@ -188,7 +188,7 @@ static int meson_pwm_calc(struct meson_pwm *meson,
do_div(fin_ps, fin_freq);
/* Calc pre_div with the period */
- for (pre_div = 0; pre_div < MISC_CLK_DIV_MASK; pre_div++) {
+ for (pre_div = 0; pre_div <= MISC_CLK_DIV_MASK; pre_div++) {
cnt = DIV_ROUND_CLOSEST_ULL((u64)period * 1000,
fin_ps * (pre_div + 1));
dev_dbg(meson->chip.dev, "fin_ps=%llu pre_div=%u cnt=%u\n",
@@ -197,7 +197,7 @@ static int meson_pwm_calc(struct meson_pwm *meson,
break;
}
- if (pre_div == MISC_CLK_DIV_MASK) {
+ if (pre_div > MISC_CLK_DIV_MASK) {
dev_err(meson->chip.dev, "unable to get period pre_div\n");
return -EINVAL;
}
@@ -325,11 +325,6 @@ static int meson_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
if (state->period != channel->state.period ||
state->duty_cycle != channel->state.duty_cycle ||
state->polarity != channel->state.polarity) {
- if (channel->state.enabled) {
- meson_pwm_disable(meson, pwm->hwpwm);
- channel->state.enabled = false;
- }
-
if (state->polarity != channel->state.polarity) {
if (state->polarity == PWM_POLARITY_NORMAL)
meson->inverter_mask |= BIT(pwm->hwpwm);