diff options
Diffstat (limited to 'drivers/iio/common/ssp_sensors/ssp_dev.c')
| -rw-r--r-- | drivers/iio/common/ssp_sensors/ssp_dev.c | 59 |
1 files changed, 22 insertions, 37 deletions
diff --git a/drivers/iio/common/ssp_sensors/ssp_dev.c b/drivers/iio/common/ssp_sensors/ssp_dev.c index a94dbcf491ce..da09c9f3ceb6 100644 --- a/drivers/iio/common/ssp_sensors/ssp_dev.c +++ b/drivers/iio/common/ssp_sensors/ssp_dev.c @@ -7,9 +7,10 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/mfd/core.h> +#include <linux/mod_devicetable.h> #include <linux/module.h> -#include <linux/of.h> -#include <linux/of_platform.h> +#include <linux/property.h> + #include "ssp.h" #define SSP_WDT_TIME 10000 @@ -166,7 +167,7 @@ static void ssp_wdt_work_func(struct work_struct *work) static void ssp_wdt_timer_func(struct timer_list *t) { - struct ssp_data *data = from_timer(data, t, wdt_timer); + struct ssp_data *data = timer_container_of(data, t, wdt_timer); switch (data->fw_dl_state) { case SSP_FW_DL_STATE_FAIL: @@ -189,7 +190,7 @@ static void ssp_enable_wdt_timer(struct ssp_data *data) static void ssp_disable_wdt_timer(struct ssp_data *data) { - del_timer_sync(&data->wdt_timer); + timer_delete_sync(&data->wdt_timer); cancel_work_sync(&data->work_wdt); } @@ -204,7 +205,7 @@ u32 ssp_get_sensor_delay(struct ssp_data *data, enum ssp_sensor_type type) { return data->delay_buf[type]; } -EXPORT_SYMBOL(ssp_get_sensor_delay); +EXPORT_SYMBOL_NS(ssp_get_sensor_delay, "IIO_SSP_SENSORS"); /** * ssp_enable_sensor() - enables data acquisition for sensor @@ -266,7 +267,7 @@ int ssp_enable_sensor(struct ssp_data *data, enum ssp_sensor_type type, derror: return ret; } -EXPORT_SYMBOL(ssp_enable_sensor); +EXPORT_SYMBOL_NS(ssp_enable_sensor, "IIO_SSP_SENSORS"); /** * ssp_change_delay() - changes data acquisition for sensor @@ -297,7 +298,7 @@ int ssp_change_delay(struct ssp_data *data, enum ssp_sensor_type type, return 0; } -EXPORT_SYMBOL(ssp_change_delay); +EXPORT_SYMBOL_NS(ssp_change_delay, "IIO_SSP_SENSORS"); /** * ssp_disable_sensor() - disables sensor @@ -334,7 +335,7 @@ int ssp_disable_sensor(struct ssp_data *data, enum ssp_sensor_type type) return 0; } -EXPORT_SYMBOL(ssp_disable_sensor); +EXPORT_SYMBOL_NS(ssp_disable_sensor, "IIO_SSP_SENSORS"); static irqreturn_t ssp_irq_thread_fn(int irq, void *dev_id) { @@ -425,7 +426,6 @@ int ssp_queue_ssp_refresh_task(struct ssp_data *data, unsigned int delay) msecs_to_jiffies(delay)); } -#ifdef CONFIG_OF static const struct of_device_id ssp_of_match[] = { { .compatible = "samsung,sensorhub-rinato", @@ -434,15 +434,13 @@ static const struct of_device_id ssp_of_match[] = { .compatible = "samsung,sensorhub-thermostat", .data = &ssp_thermostat_info, }, - {}, + { } }; MODULE_DEVICE_TABLE(of, ssp_of_match); static struct ssp_data *ssp_parse_dt(struct device *dev) { struct ssp_data *data; - struct device_node *node = dev->of_node; - const struct of_device_id *match; data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) @@ -461,22 +459,12 @@ static struct ssp_data *ssp_parse_dt(struct device *dev) if (IS_ERR(data->mcu_reset_gpiod)) return NULL; - match = of_match_node(ssp_of_match, node); - if (!match) - return NULL; - - data->sensorhub_info = match->data; + data->sensorhub_info = device_get_match_data(dev); dev_set_drvdata(dev, data); return data; } -#else -static struct ssp_data *ssp_parse_dt(struct device *pdev) -{ - return NULL; -} -#endif /** * ssp_register_consumer() - registers iio consumer in ssp framework @@ -490,7 +478,7 @@ void ssp_register_consumer(struct iio_dev *indio_dev, enum ssp_sensor_type type) data->sensor_devs[type] = indio_dev; } -EXPORT_SYMBOL(ssp_register_consumer); +EXPORT_SYMBOL_NS(ssp_register_consumer, "IIO_SSP_SENSORS"); static int ssp_probe(struct spi_device *spi) { @@ -503,7 +491,8 @@ static int ssp_probe(struct spi_device *spi) return -ENODEV; } - ret = mfd_add_devices(&spi->dev, -1, sensorhub_sensor_devs, + ret = mfd_add_devices(&spi->dev, PLATFORM_DEVID_NONE, + sensorhub_sensor_devs, ARRAY_SIZE(sensorhub_sensor_devs), NULL, 0, NULL); if (ret < 0) { dev_err(&spi->dev, "mfd add devices fail\n"); @@ -514,7 +503,7 @@ static int ssp_probe(struct spi_device *spi) ret = spi_setup(spi); if (ret < 0) { dev_err(&spi->dev, "Failed to setup spi\n"); - return ret; + goto err_setup_spi; } data->fw_dl_state = SSP_FW_DL_STATE_NONE; @@ -579,13 +568,15 @@ err_read_reg: err_setup_irq: mutex_destroy(&data->pending_lock); mutex_destroy(&data->comm_lock); +err_setup_spi: + mfd_remove_devices(&spi->dev); dev_err(&spi->dev, "Probe failed!\n"); return ret; } -static int ssp_remove(struct spi_device *spi) +static void ssp_remove(struct spi_device *spi) { struct ssp_data *data = spi_get_drvdata(spi); @@ -600,18 +591,15 @@ static int ssp_remove(struct spi_device *spi) free_irq(data->spi->irq, data); - del_timer_sync(&data->wdt_timer); + timer_delete_sync(&data->wdt_timer); cancel_work_sync(&data->work_wdt); mutex_destroy(&data->comm_lock); mutex_destroy(&data->pending_lock); mfd_remove_devices(&spi->dev); - - return 0; } -#ifdef CONFIG_PM_SLEEP static int ssp_suspend(struct device *dev) { int ret; @@ -660,18 +648,15 @@ static int ssp_resume(struct device *dev) return 0; } -#endif /* CONFIG_PM_SLEEP */ -static const struct dev_pm_ops ssp_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(ssp_suspend, ssp_resume) -}; +static DEFINE_SIMPLE_DEV_PM_OPS(ssp_pm_ops, ssp_suspend, ssp_resume); static struct spi_driver ssp_driver = { .probe = ssp_probe, .remove = ssp_remove, .driver = { - .pm = &ssp_pm_ops, - .of_match_table = of_match_ptr(ssp_of_match), + .pm = pm_sleep_ptr(&ssp_pm_ops), + .of_match_table = ssp_of_match, .name = "sensorhub" }, }; |