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-Url: https://git.kernel.dk/?a=commitdiff_plain;h=c923e9effe50b0a83e74e1940afbecef5456bfda;p=linux-block.git iio: adc: ti-ads8688: Fix alignment of buffer in iio_push_to_buffers_with_timestamp() [ Upstream commit 61fa5dfa5f52806f5ce37a0ba5712c271eb22f98 ] 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 Signed-off-by: Sasha Levin --- diff --git a/drivers/iio/adc/ti-ads8688.c b/drivers/iio/adc/ti-ads8688.c index 16bcb37eebb7..79c803537dc4 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++) {