From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wj0-f194.google.com ([209.85.210.194]:33701 "EHLO mail-wj0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932948AbcLIKau (ORCPT ); Fri, 9 Dec 2016 05:30:50 -0500 From: Marcus Folkesson To: Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Matt Ranostay , Sandhya Bankar Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Marcus Folkesson Subject: [PATCH] iio: adc: max1027: allocate DMA-safe buffer Date: Fri, 9 Dec 2016 11:24:35 +0100 Message-Id: <20161209102435.30638-1-marcus.folkesson@gmail.com> Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org The buffer needs to be DMA-safe when used with spi_read() Signed-off-by: Marcus Folkesson --- drivers/iio/adc/max1027.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/max1027.c b/drivers/iio/adc/max1027.c index 712fbd2b1f16..ff1f1f15a873 100644 --- a/drivers/iio/adc/max1027.c +++ b/drivers/iio/adc/max1027.c @@ -435,7 +435,7 @@ static int max1027_probe(struct spi_device *spi) st->buffer = devm_kmalloc(&indio_dev->dev, indio_dev->num_channels * 2, - GFP_KERNEL); + GFP_KERNEL | GFP_DMA); if (st->buffer == NULL) { dev_err(&indio_dev->dev, "Can't allocate buffer\n"); return -ENOMEM; -- 2.11.0.rc2