From: Jonathan Cameron Date: Sun, 13 Jun 2021 15:22:55 +0000 (+0100) Subject: iio: adc: hx711: Fix buffer alignment in iio_push_to_buffers_with_timestamp() X-Git-Tag: Ubuntu-5.15.0-12.12~2319^2~85^2~15 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=afe2a789fbf7acd1a05407fc7839cc08d23825e3;p=mirror_ubuntu-jammy-kernel.git iio: adc: hx711: Fix buffer alignment in iio_push_to_buffers_with_timestamp() 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 Cc: Andreas Klinger Reviewed-by: Nuno Sá Link: https://lore.kernel.org/r/20210613152301.571002-3-jic23@kernel.org --- 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