Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 516/593] iio: adc: hx711: Fix buffer alignment in iio_push_to_buffers_with_timestamp() | Date | Mon, 12 Jul 2021 08:11:16 +0200 |
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From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
[ Upstream commit afe2a789fbf7acd1a05407fc7839cc08d23825e3 ]
To make code more readable, use a structure to express the channel layout and ensure the timestamp is 8 byte aligned.
Found during an audit of all calls of this function.
Fixes: d3bf60450d47 ("iio: hx711: add triggered buffer support") Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Andreas Klinger <ak@it-klinger.de> Reviewed-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20210613152301.571002-3-jic23@kernel.org Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/iio/adc/hx711.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/adc/hx711.c b/drivers/iio/adc/hx711.c index 6a173531d355..f7ee856a6b8b 100644 --- a/drivers/iio/adc/hx711.c +++ b/drivers/iio/adc/hx711.c @@ -86,9 +86,9 @@ struct hx711_data { struct mutex lock; /* * triggered buffer - * 2x32-bit channel + 64-bit timestamp + * 2x32-bit channel + 64-bit naturally aligned timestamp */ - u32 buffer[4]; + u32 buffer[4] __aligned(8); /* * delay after a rising edge on SCK until the data is ready DOUT * this is dependent on the hx711 where the datasheet tells a -- 2.30.2
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