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staging:iio:ad7280a: Mark transfer buffer as __be32

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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@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2013-11-25 12:42:00 +00:00 committed by Jonathan Cameron
parent 91f197e0c0
commit b39c47d193
1 changed files with 4 additions and 3 deletions
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7
drivers/staging/iio/adc/ad7280a.c
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@ -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,