From: Jonathan Cameron Date: Sun, 13 Jun 2021 15:22:57 +0000 (+0100) Subject: iio: adc: ti-ads8688: Fix alignment of buffer in iio_push_to_buffers_with_timestamp() X-Git-Tag: v5.14-rc1~66^2~85^2~13 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=61fa5dfa5f52806f5ce37a0ba5712c271eb22f98;p=thirdparty%2Flinux.git iio: adc: ti-ads8688: Fix alignment of buffer in iio_push_to_buffers_with_timestamp() Add __aligned(8) to ensure the buffer passed to iio_push_to_buffers_with_timestamp() is suitable for the naturally aligned timestamp that will be inserted. Fixes: f214ff521fb1 ("iio: ti-ads8688: Update buffer allocation for timestamps") Signed-off-by: Jonathan Cameron Reviewed-by: Nuno Sá Link: https://lore.kernel.org/r/20210613152301.571002-5-jic23@kernel.org --- diff --git a/drivers/iio/adc/ti-ads8688.c b/drivers/iio/adc/ti-ads8688.c index 16bcb37eebb72..79c803537dc42 100644 --- a/drivers/iio/adc/ti-ads8688.c +++ b/drivers/iio/adc/ti-ads8688.c @@ -383,7 +383,8 @@ static irqreturn_t ads8688_trigger_handler(int irq, void *p) { struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; - u16 buffer[ADS8688_MAX_CHANNELS + sizeof(s64)/sizeof(u16)]; + /* Ensure naturally aligned timestamp */ + u16 buffer[ADS8688_MAX_CHANNELS + sizeof(s64)/sizeof(u16)] __aligned(8); int i, j = 0; for (i = 0; i < indio_dev->masklength; i++) {