summaryrefslogtreecommitdiffstats
path: root/drivers/iio/imu/adis.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/imu/adis.c')
-rw-r--r--drivers/iio/imu/adis.c67
1 files changed, 35 insertions, 32 deletions
diff --git a/drivers/iio/imu/adis.c b/drivers/iio/imu/adis.c
index cb0d66bf6561..f7fcfd04f659 100644
--- a/drivers/iio/imu/adis.c
+++ b/drivers/iio/imu/adis.c
@@ -30,8 +30,8 @@
* @value: The value to write to device (up to 4 bytes)
* @size: The size of the @value (in bytes)
*/
-int __adis_write_reg(struct adis *adis, unsigned int reg,
- unsigned int value, unsigned int size)
+int __adis_write_reg(struct adis *adis, unsigned int reg, unsigned int value,
+ unsigned int size)
{
unsigned int page = reg / ADIS_PAGE_SIZE;
int ret, i;
@@ -114,14 +114,14 @@ int __adis_write_reg(struct adis *adis, unsigned int reg,
ret = spi_sync(adis->spi, &msg);
if (ret) {
dev_err(&adis->spi->dev, "Failed to write register 0x%02X: %d\n",
- reg, ret);
+ reg, ret);
} else {
adis->current_page = page;
}
return ret;
}
-EXPORT_SYMBOL_GPL(__adis_write_reg);
+EXPORT_SYMBOL_NS_GPL(__adis_write_reg, IIO_ADISLIB);
/**
* __adis_read_reg() - read N bytes from register (unlocked version)
@@ -130,8 +130,8 @@ EXPORT_SYMBOL_GPL(__adis_write_reg);
* @val: The value read back from the device
* @size: The size of the @val buffer
*/
-int __adis_read_reg(struct adis *adis, unsigned int reg,
- unsigned int *val, unsigned int size)
+int __adis_read_reg(struct adis *adis, unsigned int reg, unsigned int *val,
+ unsigned int size)
{
unsigned int page = reg / ADIS_PAGE_SIZE;
struct spi_message msg;
@@ -201,12 +201,12 @@ int __adis_read_reg(struct adis *adis, unsigned int reg,
ret = spi_sync(adis->spi, &msg);
if (ret) {
dev_err(&adis->spi->dev, "Failed to read register 0x%02X: %d\n",
- reg, ret);
+ reg, ret);
return ret;
- } else {
- adis->current_page = page;
}
+ adis->current_page = page;
+
switch (size) {
case 4:
*val = get_unaligned_be32(adis->rx);
@@ -218,7 +218,7 @@ int __adis_read_reg(struct adis *adis, unsigned int reg,
return ret;
}
-EXPORT_SYMBOL_GPL(__adis_read_reg);
+EXPORT_SYMBOL_NS_GPL(__adis_read_reg, IIO_ADISLIB);
/**
* __adis_update_bits_base() - ADIS Update bits function - Unlocked version
* @adis: The adis device
@@ -243,17 +243,17 @@ int __adis_update_bits_base(struct adis *adis, unsigned int reg, const u32 mask,
return __adis_write_reg(adis, reg, __val, size);
}
-EXPORT_SYMBOL_GPL(__adis_update_bits_base);
+EXPORT_SYMBOL_NS_GPL(__adis_update_bits_base, IIO_ADISLIB);
#ifdef CONFIG_DEBUG_FS
-int adis_debugfs_reg_access(struct iio_dev *indio_dev,
- unsigned int reg, unsigned int writeval, unsigned int *readval)
+int adis_debugfs_reg_access(struct iio_dev *indio_dev, unsigned int reg,
+ unsigned int writeval, unsigned int *readval)
{
struct adis *adis = iio_device_get_drvdata(indio_dev);
if (readval) {
- uint16_t val16;
+ u16 val16;
int ret;
ret = adis_read_reg_16(adis, reg, &val16);
@@ -261,11 +261,11 @@ int adis_debugfs_reg_access(struct iio_dev *indio_dev,
*readval = val16;
return ret;
- } else {
- return adis_write_reg_16(adis, reg, writeval);
}
+
+ return adis_write_reg_16(adis, reg, writeval);
}
-EXPORT_SYMBOL(adis_debugfs_reg_access);
+EXPORT_SYMBOL_NS(adis_debugfs_reg_access, IIO_ADISLIB);
#endif
@@ -279,14 +279,16 @@ EXPORT_SYMBOL(adis_debugfs_reg_access);
int adis_enable_irq(struct adis *adis, bool enable)
{
int ret = 0;
- uint16_t msc;
+ u16 msc;
mutex_lock(&adis->state_lock);
if (adis->data->enable_irq) {
ret = adis->data->enable_irq(adis, enable);
goto out_unlock;
- } else if (adis->data->unmasked_drdy) {
+ }
+
+ if (adis->data->unmasked_drdy) {
if (enable)
enable_irq(adis->spi->irq);
else
@@ -312,7 +314,7 @@ out_unlock:
mutex_unlock(&adis->state_lock);
return ret;
}
-EXPORT_SYMBOL(adis_enable_irq);
+EXPORT_SYMBOL_NS(adis_enable_irq, IIO_ADISLIB);
/**
* __adis_check_status() - Check the device for error conditions (unlocked)
@@ -322,7 +324,7 @@ EXPORT_SYMBOL(adis_enable_irq);
*/
int __adis_check_status(struct adis *adis)
{
- uint16_t status;
+ u16 status;
int ret;
int i;
@@ -344,7 +346,7 @@ int __adis_check_status(struct adis *adis)
return -EIO;
}
-EXPORT_SYMBOL_GPL(__adis_check_status);
+EXPORT_SYMBOL_NS_GPL(__adis_check_status, IIO_ADISLIB);
/**
* __adis_reset() - Reset the device (unlocked version)
@@ -358,7 +360,7 @@ int __adis_reset(struct adis *adis)
const struct adis_timeout *timeouts = adis->data->timeouts;
ret = __adis_write_reg_8(adis, adis->data->glob_cmd_reg,
- ADIS_GLOB_CMD_SW_RESET);
+ ADIS_GLOB_CMD_SW_RESET);
if (ret) {
dev_err(&adis->spi->dev, "Failed to reset device: %d\n", ret);
return ret;
@@ -368,7 +370,7 @@ int __adis_reset(struct adis *adis)
return 0;
}
-EXPORT_SYMBOL_GPL(__adis_reset);
+EXPORT_SYMBOL_NS_GPL(__adis_reset, IIO_ADIS_LIB);
static int adis_self_test(struct adis *adis)
{
@@ -414,7 +416,7 @@ int __adis_initial_startup(struct adis *adis)
{
const struct adis_timeout *timeouts = adis->data->timeouts;
struct gpio_desc *gpio;
- uint16_t prod_id;
+ u16 prod_id;
int ret;
/* check if the device has rst pin low */
@@ -423,7 +425,7 @@ int __adis_initial_startup(struct adis *adis)
return PTR_ERR(gpio);
if (gpio) {
- msleep(10);
+ usleep_range(10, 12);
/* bring device out of reset */
gpiod_set_value_cansleep(gpio, 0);
msleep(timeouts->reset_ms);
@@ -459,7 +461,7 @@ int __adis_initial_startup(struct adis *adis)
return 0;
}
-EXPORT_SYMBOL_GPL(__adis_initial_startup);
+EXPORT_SYMBOL_NS_GPL(__adis_initial_startup, IIO_ADISLIB);
/**
* adis_single_conversion() - Performs a single sample conversion
@@ -477,7 +479,8 @@ EXPORT_SYMBOL_GPL(__adis_initial_startup);
* a error bit in the channels raw value set error_mask to 0.
*/
int adis_single_conversion(struct iio_dev *indio_dev,
- const struct iio_chan_spec *chan, unsigned int error_mask, int *val)
+ const struct iio_chan_spec *chan,
+ unsigned int error_mask, int *val)
{
struct adis *adis = iio_device_get_drvdata(indio_dev);
unsigned int uval;
@@ -486,7 +489,7 @@ int adis_single_conversion(struct iio_dev *indio_dev,
mutex_lock(&adis->state_lock);
ret = __adis_read_reg(adis, chan->address, &uval,
- chan->scan_type.storagebits / 8);
+ chan->scan_type.storagebits / 8);
if (ret)
goto err_unlock;
@@ -506,7 +509,7 @@ err_unlock:
mutex_unlock(&adis->state_lock);
return ret;
}
-EXPORT_SYMBOL_GPL(adis_single_conversion);
+EXPORT_SYMBOL_NS_GPL(adis_single_conversion, IIO_ADISLIB);
/**
* adis_init() - Initialize adis device structure
@@ -521,7 +524,7 @@ EXPORT_SYMBOL_GPL(adis_single_conversion);
* called.
*/
int adis_init(struct adis *adis, struct iio_dev *indio_dev,
- struct spi_device *spi, const struct adis_data *data)
+ struct spi_device *spi, const struct adis_data *data)
{
if (!data || !data->timeouts) {
dev_err(&spi->dev, "No config data or timeouts not defined!\n");
@@ -543,7 +546,7 @@ int adis_init(struct adis *adis, struct iio_dev *indio_dev,
return 0;
}
-EXPORT_SYMBOL_GPL(adis_init);
+EXPORT_SYMBOL_NS_GPL(adis_init, IIO_ADISLIB);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 20:17:31 +0100