summaryrefslogtreecommitdiff
path: root/drivers/iio/magnetometer/bmc150_magn.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/magnetometer/bmc150_magn.c')
-rw-r--r--drivers/iio/magnetometer/bmc150_magn.c47
1 files changed, 12 insertions, 35 deletions
diff --git a/drivers/iio/magnetometer/bmc150_magn.c b/drivers/iio/magnetometer/bmc150_magn.c
index 06d5a1ef1fbd..6a73f6e2f1f0 100644
--- a/drivers/iio/magnetometer/bmc150_magn.c
+++ b/drivers/iio/magnetometer/bmc150_magn.c
@@ -14,7 +14,6 @@
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/slab.h>
-#include <linux/acpi.h>
#include <linux/pm.h>
#include <linux/pm_runtime.h>
#include <linux/iio/iio.h>
@@ -29,9 +28,6 @@
#include "bmc150_magn.h"
-#define BMC150_MAGN_DRV_NAME "bmc150_magn"
-#define BMC150_MAGN_IRQ_NAME "bmc150_magn_event"
-
#define BMC150_MAGN_REG_CHIP_ID 0x40
#define BMC150_MAGN_CHIP_ID_VAL 0x32
@@ -141,7 +137,7 @@ struct bmc150_magn_data {
/* Ensure timestamp is naturally aligned */
struct {
s32 chans[3];
- s64 timestamp __aligned(8);
+ aligned_s64 timestamp;
} scan;
struct iio_trigger *dready_trig;
bool dready_trigger_on;
@@ -226,7 +222,7 @@ const struct regmap_config bmc150_magn_regmap_config = {
.writeable_reg = bmc150_magn_is_writeable_reg,
.volatile_reg = bmc150_magn_is_volatile_reg,
};
-EXPORT_SYMBOL_NS(bmc150_magn_regmap_config, IIO_BMC150_MAGN);
+EXPORT_SYMBOL_NS(bmc150_magn_regmap_config, "IIO_BMC150_MAGN");
static int bmc150_magn_set_power_mode(struct bmc150_magn_data *data,
enum bmc150_magn_power_modes mode,
@@ -261,22 +257,17 @@ static int bmc150_magn_set_power_mode(struct bmc150_magn_data *data,
static int bmc150_magn_set_power_state(struct bmc150_magn_data *data, bool on)
{
-#ifdef CONFIG_PM
- int ret;
+ int ret = 0;
- if (on) {
+ if (on)
ret = pm_runtime_resume_and_get(data->dev);
- } else {
- pm_runtime_mark_last_busy(data->dev);
- ret = pm_runtime_put_autosuspend(data->dev);
- }
-
+ else
+ pm_runtime_put_autosuspend(data->dev);
if (ret < 0) {
dev_err(data->dev,
"failed to change power state to %d\n", on);
return ret;
}
-#endif
return 0;
}
@@ -679,8 +670,8 @@ static irqreturn_t bmc150_magn_trigger_handler(int irq, void *p)
if (ret < 0)
goto err;
- iio_push_to_buffers_with_timestamp(indio_dev, &data->scan,
- pf->timestamp);
+ iio_push_to_buffers_with_ts(indio_dev, &data->scan, sizeof(data->scan),
+ pf->timestamp);
err:
mutex_unlock(&data->mutex);
@@ -855,17 +846,6 @@ static const struct iio_buffer_setup_ops bmc150_magn_buffer_setup_ops = {
.postdisable = bmc150_magn_buffer_postdisable,
};
-static const char *bmc150_magn_match_acpi_device(struct device *dev)
-{
- const struct acpi_device_id *id;
-
- id = acpi_match_device(dev->driver->acpi_match_table, dev);
- if (!id)
- return NULL;
-
- return dev_name(dev);
-}
-
int bmc150_magn_probe(struct device *dev, struct regmap *regmap,
int irq, const char *name)
{
@@ -894,9 +874,6 @@ int bmc150_magn_probe(struct device *dev, struct regmap *regmap,
if (ret)
return ret;
- if (!name && ACPI_HANDLE(dev))
- name = bmc150_magn_match_acpi_device(dev);
-
mutex_init(&data->mutex);
ret = bmc150_magn_init(data);
@@ -933,7 +910,7 @@ int bmc150_magn_probe(struct device *dev, struct regmap *regmap,
iio_trigger_generic_data_rdy_poll,
NULL,
IRQF_TRIGGER_RISING | IRQF_ONESHOT,
- BMC150_MAGN_IRQ_NAME,
+ "bmc150_magn_event",
data->dready_trig);
if (ret < 0) {
dev_err(dev, "request irq %d failed\n", irq);
@@ -983,7 +960,7 @@ err_poweroff:
bmc150_magn_set_power_mode(data, BMC150_MAGN_POWER_MODE_SUSPEND, true);
return ret;
}
-EXPORT_SYMBOL_NS(bmc150_magn_probe, IIO_BMC150_MAGN);
+EXPORT_SYMBOL_NS(bmc150_magn_probe, "IIO_BMC150_MAGN");
void bmc150_magn_remove(struct device *dev)
{
@@ -1009,7 +986,7 @@ void bmc150_magn_remove(struct device *dev)
regulator_bulk_disable(ARRAY_SIZE(data->regulators), data->regulators);
}
-EXPORT_SYMBOL_NS(bmc150_magn_remove, IIO_BMC150_MAGN);
+EXPORT_SYMBOL_NS(bmc150_magn_remove, "IIO_BMC150_MAGN");
#ifdef CONFIG_PM
static int bmc150_magn_runtime_suspend(struct device *dev)
@@ -1077,7 +1054,7 @@ const struct dev_pm_ops bmc150_magn_pm_ops = {
SET_RUNTIME_PM_OPS(bmc150_magn_runtime_suspend,
bmc150_magn_runtime_resume, NULL)
};
-EXPORT_SYMBOL_NS(bmc150_magn_pm_ops, IIO_BMC150_MAGN);
+EXPORT_SYMBOL_NS(bmc150_magn_pm_ops, "IIO_BMC150_MAGN");
MODULE_AUTHOR("Irina Tirdea <irina.tirdea@intel.com>");
MODULE_LICENSE("GPL v2");