[PATCH 10/15] staging:iio:ad7280a: Mark transfer buffer as __be32

[Lars-Peter Clausen <lars@xxxxxxxxxx>]

Fixes the following warnings from sparse:
	drivers/staging/iio/adc/ad7280a.c:194:35: warning: incorrect type in initializer (different base types)
	drivers/staging/iio/adc/ad7280a.c:194:35:    expected unsigned int [unsigned] tx_buf
	drivers/staging/iio/adc/ad7280a.c:194:35:    got restricted __be32 [usertype] <noident>
	drivers/staging/iio/adc/ad7280a.c:207:16: warning: cast to restricted __be32
	drivers/staging/iio/adc/ad7280a.c:207:16: warning: cast to restricted __be32
	drivers/staging/iio/adc/ad7280a.c:207:16: warning: cast to restricted __be32
	drivers/staging/iio/adc/ad7280a.c:207:16: warning: cast to restricted __be32
	drivers/staging/iio/adc/ad7280a.c:207:16: warning: cast to restricted __be32
	drivers/staging/iio/adc/ad7280a.c:207:16: warning: cast to restricted __be32
	drivers/staging/iio/adc/ad7280a.c:219:13: warning: incorrect type in assignment (different base types)
	drivers/staging/iio/adc/ad7280a.c:219:13:    expected unsigned int [unsigned] [assigned] reg
	drivers/staging/iio/adc/ad7280a.c:219:13:    got restricted __be32 [usertype] <noident>

Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
---
 drivers/staging/iio/adc/ad7280a.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
index 8209fa5..89ee65b 100644
--- a/drivers/staging/iio/adc/ad7280a.c
+++ b/drivers/staging/iio/adc/ad7280a.c
@@ -191,7 +191,7 @@ static void ad7280_delay(struct ad7280_state *st)
 
 static int __ad7280_read32(struct spi_device *spi, unsigned *val)
 {
-	unsigned rx_buf, tx_buf = cpu_to_be32(AD7280A_READ_TXVAL);
+	__be32 rx_buf, tx_buf = cpu_to_be32(AD7280A_READ_TXVAL);
 	int ret;
 
 	struct spi_transfer t = {
@@ -214,11 +214,12 @@ static int ad7280_write(struct ad7280_state *st, unsigned devaddr,
 {
 	unsigned reg = (devaddr << 27 | addr << 21 |
 			(val & 0xFF) << 13 | all << 12);
+	__be32 tx_buf;
 
 	reg |= ad7280_calc_crc8(st->crc_tab, reg >> 11) << 3 | 0x2;
-	reg = cpu_to_be32(reg);
+	tx_buf = cpu_to_be32(reg);
 
-	return spi_write(st->spi, &reg, 4);
+	return spi_write(st->spi, &tx_buf, 4);
 }
 
 static int ad7280_read(struct ad7280_state *st, unsigned devaddr,
-- 
1.8.0

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