diff options
Diffstat (limited to 'drivers/pwm/pwm-tiehrpwm.c')
-rw-r--r-- | drivers/pwm/pwm-tiehrpwm.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c index 8b4c86fa99c8..48a485c2e422 100644 --- a/drivers/pwm/pwm-tiehrpwm.c +++ b/drivers/pwm/pwm-tiehrpwm.c @@ -471,11 +471,6 @@ static int ehrpwm_pwm_probe(struct platform_device *pdev) pc->chip.npwm = NUM_PWM_CHANNEL; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!r) { - dev_err(&pdev->dev, "no memory resource defined\n"); - return -ENODEV; - } - pc->mmio_base = devm_ioremap_resource(&pdev->dev, r); if (IS_ERR(pc->mmio_base)) return PTR_ERR(pc->mmio_base); @@ -533,7 +528,7 @@ static int ehrpwm_pwm_remove(struct platform_device *pdev) return pwmchip_remove(&pc->chip); } -void ehrpwm_pwm_save_context(struct ehrpwm_pwm_chip *pc) +static void ehrpwm_pwm_save_context(struct ehrpwm_pwm_chip *pc) { pm_runtime_get_sync(pc->chip.dev); pc->ctx.tbctl = ehrpwm_read(pc->mmio_base, TBCTL); @@ -547,7 +542,7 @@ void ehrpwm_pwm_save_context(struct ehrpwm_pwm_chip *pc) pm_runtime_put_sync(pc->chip.dev); } -void ehrpwm_pwm_restore_context(struct ehrpwm_pwm_chip *pc) +static void ehrpwm_pwm_restore_context(struct ehrpwm_pwm_chip *pc) { ehrpwm_write(pc->mmio_base, TBPRD, pc->ctx.tbprd); ehrpwm_write(pc->mmio_base, CMPA, pc->ctx.cmpa); @@ -559,6 +554,7 @@ void ehrpwm_pwm_restore_context(struct ehrpwm_pwm_chip *pc) ehrpwm_write(pc->mmio_base, TBCTL, pc->ctx.tbctl); } +#ifdef CONFIG_PM_SLEEP static int ehrpwm_pwm_suspend(struct device *dev) { struct ehrpwm_pwm_chip *pc = dev_get_drvdata(dev); @@ -594,6 +590,7 @@ static int ehrpwm_pwm_resume(struct device *dev) ehrpwm_pwm_restore_context(pc); return 0; } +#endif static SIMPLE_DEV_PM_OPS(ehrpwm_pwm_pm_ops, ehrpwm_pwm_suspend, ehrpwm_pwm_resume); |