diff options
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-atmel-hlcdc.c | 2 | ||||
| -rw-r--r-- | drivers/pwm/pwm-img.c | 4 | ||||
| -rw-r--r-- | drivers/pwm/pwm-sti.c | 11 |
3 files changed, 13 insertions, 4 deletions
diff --git a/drivers/pwm/pwm-atmel-hlcdc.c b/drivers/pwm/pwm-atmel-hlcdc.c index 07920e034..584288d8c 100644 --- a/drivers/pwm/pwm-atmel-hlcdc.c +++ b/drivers/pwm/pwm-atmel-hlcdc.c @@ -186,7 +186,7 @@ static int atmel_hlcdc_pwm_suspend(struct device *dev) struct atmel_hlcdc_pwm *atmel = dev_get_drvdata(dev); /* Keep the periph clock enabled if the PWM is still running. */ - if (pwm_is_enabled(&atmel->chip.pwms[0])) + if (!pwm_is_enabled(&atmel->chip.pwms[0])) clk_disable_unprepare(atmel->hlcdc->periph_clk); return 0; diff --git a/drivers/pwm/pwm-img.c b/drivers/pwm/pwm-img.c index 116fa060e..29dcf38f3 100644 --- a/drivers/pwm/pwm-img.c +++ b/drivers/pwm/pwm-img.c @@ -288,9 +288,9 @@ static int img_pwm_probe(struct platform_device *pdev) return PTR_ERR(imgchip->sys_clk); } - imgchip->pwm_clk = devm_clk_get(&pdev->dev, "imgchip"); + imgchip->pwm_clk = devm_clk_get(&pdev->dev, "pwm"); if (IS_ERR(imgchip->pwm_clk)) { - dev_err(&pdev->dev, "failed to get imgchip clock\n"); + dev_err(&pdev->dev, "failed to get pwm clock\n"); return PTR_ERR(imgchip->pwm_clk); } diff --git a/drivers/pwm/pwm-sti.c b/drivers/pwm/pwm-sti.c index dc92cea31..d885b30a1 100644 --- a/drivers/pwm/pwm-sti.c +++ b/drivers/pwm/pwm-sti.c @@ -395,8 +395,17 @@ out: static int sti_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, const struct pwm_state *state) { + struct sti_pwm_chip *pc = to_sti_pwmchip(chip); + struct sti_pwm_compat_data *cdata = pc->cdata; + struct device *dev = pc->dev; int err; + if (pwm->hwpwm >= cdata->pwm_num_devs) { + dev_err(dev, "device %u is not valid for pwm mode\n", + pwm->hwpwm); + return -EINVAL; + } + if (state->polarity != PWM_POLARITY_NORMAL) return -EINVAL; @@ -646,7 +655,7 @@ static int sti_pwm_probe(struct platform_device *pdev) pc->chip.dev = dev; pc->chip.ops = &sti_pwm_ops; - pc->chip.npwm = pc->cdata->pwm_num_devs; + pc->chip.npwm = max(cdata->pwm_num_devs, cdata->cpt_num_devs); for (i = 0; i < cdata->cpt_num_devs; i++) { struct sti_cpt_ddata *ddata = &cdata->ddata[i]; |