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path: root/drivers/iio/addac/ad74413r.c
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Diffstat (limited to 'drivers/iio/addac/ad74413r.c')
-rw-r--r--drivers/iio/addac/ad74413r.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/iio/addac/ad74413r.c b/drivers/iio/addac/ad74413r.c
index acd230a6af35..899bcd83f40b 100644
--- a/drivers/iio/addac/ad74413r.c
+++ b/drivers/iio/addac/ad74413r.c
@@ -77,13 +77,13 @@ struct ad74413r_state {
struct spi_transfer adc_samples_xfer[AD74413R_CHANNEL_MAX + 1];
/*
- * DMA (thus cache coherency maintenance) requires the
+ * DMA (thus cache coherency maintenance) may require the
* transfer buffers to live in their own cache lines.
*/
struct {
u8 rx_buf[AD74413R_FRAME_SIZE * AD74413R_CHANNEL_MAX];
s64 timestamp;
- } adc_samples_buf ____cacheline_aligned;
+ } adc_samples_buf __aligned(IIO_DMA_MINALIGN);
u8 adc_samples_tx_buf[AD74413R_FRAME_SIZE * AD74413R_CHANNEL_MAX];
u8 reg_tx_buf[AD74413R_FRAME_SIZE];
@@ -284,10 +284,10 @@ static void ad74413r_gpio_set_multiple(struct gpio_chip *chip,
struct ad74413r_state *st = gpiochip_get_data(chip);
unsigned long real_mask = 0;
unsigned long real_bits = 0;
- unsigned int offset = 0;
+ unsigned int offset;
int ret;
- for_each_set_bit_from(offset, mask, chip->ngpio) {
+ for_each_set_bit(offset, mask, chip->ngpio) {
unsigned int real_offset = st->gpo_gpio_offsets[offset];
ret = ad74413r_set_gpo_config(st, real_offset,
@@ -325,7 +325,7 @@ static int ad74413r_gpio_get_multiple(struct gpio_chip *chip,
unsigned long *bits)
{
struct ad74413r_state *st = gpiochip_get_data(chip);
- unsigned int offset = 0;
+ unsigned int offset;
unsigned int val;
int ret;
@@ -333,7 +333,7 @@ static int ad74413r_gpio_get_multiple(struct gpio_chip *chip,
if (ret)
return ret;
- for_each_set_bit_from(offset, mask, chip->ngpio) {
+ for_each_set_bit(offset, mask, chip->ngpio) {
unsigned int real_offset = st->comp_gpio_offsets[offset];
__assign_bit(offset, bits, val & BIT(real_offset));