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[v2,06/14] iio: sx9310: Fixes various memory handling

Message ID 20200728170317.v2.6.I8accffd77d616cb55b29bc3021cb0f5e1da3b68a@changeid (mailing list archive)
State New, archived
Headers show
Series sx9310 iio driver updates | expand

Commit Message

Daniel Campello July 28, 2020, 11:05 p.m. UTC 
Makes use __aligned(8) to ensure that the timestamp is correctly aligned
when we call io_push_to_buffers_with_timestamp().
Also makes use of sizeof() for regmap_bulk_read instead of static value.

Signed-off-by: Daniel Campello <campello@chromium.org>
---

Changes in v2:
 - Fixed commit message from "iio: sx9310: Align memory"

 drivers/iio/proximity/sx9310.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/iio/proximity/sx9310.c b/drivers/iio/proximity/sx9310.c
index bb007673f758d5..75e85dcd6b3572 100644
--- a/drivers/iio/proximity/sx9310.c
+++ b/drivers/iio/proximity/sx9310.c
@@ -132,8 +132,8 @@  struct sx9310_data {
 	 */
 	bool prox_stat[SX9310_NUM_CHANNELS];
 	bool trigger_enabled;
-	__be16 buffer[SX9310_NUM_CHANNELS +
-		      4]; /* 64-bit data + 64-bit timestamp */
+	/* 64-bit data + 64-bit timestamp buffer */
+	__be16 buffer[SX9310_NUM_CHANNELS + 4] __aligned(8);
 	/* Remember enabled channels and sample rate during suspend. */
 	unsigned int suspend_ctrl0;
 	struct completion completion;
@@ -340,7 +340,7 @@  static int sx9310_read_prox_data(struct sx9310_data *data,
 	if (ret < 0)
 		return ret;
 
-	return regmap_bulk_read(data->regmap, chan->address, val, 2);
+	return regmap_bulk_read(data->regmap, chan->address, val, sizeof(*val));
 }
 
 /*