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iio: proximity: pulsedlight v2: Tidy up an endian issue

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Sparse identified the following
CHECK   drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
drivers/iio/proximity/pulsedlight-lidar-lite-v2.c:144:24: warning: cast to restricted __be16
drivers/iio/proximity/pulsedlight-lidar-lite-v2.c:144:24: warning: cast to restricted __be16
drivers/iio/proximity/pulsedlight-lidar-lite-v2.c:144:24: warning: cast to restricted __be16
drivers/iio/proximity/pulsedlight-lidar-lite-v2.c:144:24: warning: cast to restricted __be16

This cleans up by adding a local variable to hold the value whilst
it is __be16 before applying endian converstion into eventual destination.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
This commit is contained in:
Jonathan Cameron 2019-10-13 11:26:00 +01:00
parent 6b943a6f23
commit d2080a87a3
1 changed files with 3 additions and 2 deletions
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5
drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
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@ -136,12 +136,13 @@ static inline int lidar_write_power(struct lidar_data *data, int val)
static int lidar_read_measurement(struct lidar_data *data, u16 *reg)
{
__be16 value;
int ret = data->xfer(data, LIDAR_REG_DATA_HBYTE |
(data->i2c_enabled ? LIDAR_REG_DATA_WORD_READ : 0),
(u8 *) reg, 2);
(u8 *) &value, 2);
if (!ret)
*reg = be16_to_cpu(*reg);
*reg = be16_to_cpu(value);
return ret;
}