diff options
| -rw-r--r-- | drivers/iio/amplifiers/ada4250.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/iio/amplifiers/ada4250.c b/drivers/iio/amplifiers/ada4250.c index 74f8429d652b..f81438460aa5 100644 --- a/drivers/iio/amplifiers/ada4250.c +++ b/drivers/iio/amplifiers/ada4250.c @@ -13,8 +13,7 @@ #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/spi/spi.h> - -#include <linux/unaligned.h> +#include <linux/types.h> /* ADA4250 Register Map */ #define ADA4250_REG_GAIN_MUX 0x00 @@ -63,6 +62,7 @@ struct ada4250_state { u8 gain; int offset_uv; bool refbuf_en; + __le16 reg_val_16 __aligned(IIO_DMA_MINALIGN); }; /* ADA4250 Current Bias Source Settings: Disabled, Bandgap Reference, AVDD */ @@ -301,7 +301,6 @@ static int ada4250_init(struct ada4250_state *st) { int ret; u16 chip_id; - u8 data[2] __aligned(8) = {}; struct spi_device *spi = st->spi; st->refbuf_en = device_property_read_bool(&spi->dev, "adi,refbuf-enable"); @@ -326,11 +325,12 @@ static int ada4250_init(struct ada4250_state *st) if (ret) return ret; - ret = regmap_bulk_read(st->regmap, ADA4250_REG_CHIP_ID, data, 2); + ret = regmap_bulk_read(st->regmap, ADA4250_REG_CHIP_ID, &st->reg_val_16, + sizeof(st->reg_val_16)); if (ret) return ret; - chip_id = get_unaligned_le16(data); + chip_id = le16_to_cpu(st->reg_val_16); if (chip_id != ADA4250_CHIP_ID) { dev_err(&spi->dev, "Invalid chip ID.\n"); |