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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-04-21 03:31:27 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2020-05-03 09:47:19 +0100 |
| commit | d324ac2e93cdb69ef81dc272342898cd02d2777a (patch) | |
| tree | 842b60de6c496a7869792ad6a529f1285eb36060 | |
| parent | e33ff8ac6dc9b4f1b8ee75ee3690561040ec0c1a (diff) | |
| download | linux-d324ac2e93cdb69ef81dc272342898cd02d2777a.tar.bz2 | |
iio: health: afe4403: Use get_unaligned_be24()
This makes the driver code slightly easier to read.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | drivers/iio/health/afe4403.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/iio/health/afe4403.c b/drivers/iio/health/afe4403.c index dc22dc363a99..e9f87e42ff4f 100644 --- a/drivers/iio/health/afe4403.c +++ b/drivers/iio/health/afe4403.c @@ -23,6 +23,8 @@ #include <linux/iio/triggered_buffer.h> #include <linux/iio/trigger_consumer.h> +#include <asm/unaligned.h> + #include "afe440x.h" #define AFE4403_DRIVER_NAME "afe4403" @@ -220,13 +222,11 @@ static int afe4403_read(struct afe4403_data *afe, unsigned int reg, u32 *val) if (ret) return ret; - ret = spi_write_then_read(afe->spi, ®, 1, rx, 3); + ret = spi_write_then_read(afe->spi, ®, 1, rx, sizeof(rx)); if (ret) return ret; - *val = (rx[0] << 16) | - (rx[1] << 8) | - (rx[2]); + *val = get_unaligned_be24(&rx[0]); /* Disable reading from the device */ tx[3] = AFE440X_CONTROL0_WRITE; @@ -322,13 +322,11 @@ static irqreturn_t afe4403_trigger_handler(int irq, void *private) indio_dev->masklength) { ret = spi_write_then_read(afe->spi, &afe4403_channel_values[bit], 1, - rx, 3); + rx, sizeof(rx)); if (ret) goto err; - buffer[i++] = (rx[0] << 16) | - (rx[1] << 8) | - (rx[2]); + buffer[i++] = get_unaligned_be24(&rx[0]); } /* Disable reading from the device */ |