diff options
Diffstat (limited to 'drivers/iio/dac/stm32-dac-core.c')
| -rw-r--r-- | drivers/iio/dac/stm32-dac-core.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/iio/dac/stm32-dac-core.c b/drivers/iio/dac/stm32-dac-core.c index 83bf184e3adc..8ef702917060 100644 --- a/drivers/iio/dac/stm32-dac-core.c +++ b/drivers/iio/dac/stm32-dac-core.c @@ -9,9 +9,12 @@ #include <linux/clk.h> #include <linux/delay.h> +#include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/of_platform.h> +#include <linux/platform_device.h> #include <linux/pm_runtime.h> +#include <linux/property.h> #include <linux/regulator/consumer.h> #include <linux/reset.h> @@ -94,16 +97,12 @@ static int stm32_dac_probe(struct platform_device *pdev) struct reset_control *rst; int ret; - if (!dev->of_node) - return -ENODEV; - priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; platform_set_drvdata(pdev, &priv->common); - cfg = (const struct stm32_dac_cfg *) - of_match_device(dev->driver->of_match_table, dev)->data; + cfg = device_get_match_data(dev); mmio = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(mmio)) @@ -183,7 +182,7 @@ err_pm_stop: return ret; } -static int stm32_dac_remove(struct platform_device *pdev) +static void stm32_dac_remove(struct platform_device *pdev) { pm_runtime_get_sync(&pdev->dev); of_platform_depopulate(&pdev->dev); @@ -191,8 +190,6 @@ static int stm32_dac_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); pm_runtime_set_suspended(&pdev->dev); pm_runtime_put_noidle(&pdev->dev); - - return 0; } static int stm32_dac_core_resume(struct device *dev) @@ -203,9 +200,8 @@ static int stm32_dac_core_resume(struct device *dev) if (priv->common.hfsel) { /* restore hfsel (maybe lost under low power state) */ - ret = regmap_update_bits(priv->common.regmap, STM32_DAC_CR, - STM32H7_DAC_CR_HFSEL, - STM32H7_DAC_CR_HFSEL); + ret = regmap_set_bits(priv->common.regmap, STM32_DAC_CR, + STM32H7_DAC_CR_HFSEL); if (ret) return ret; } @@ -243,7 +239,7 @@ static const struct of_device_id stm32_dac_of_match[] = { .compatible = "st,stm32h7-dac-core", .data = (void *)&stm32h7_dac_cfg, }, - {}, + { } }; MODULE_DEVICE_TABLE(of, stm32_dac_of_match); |