From nobody Mon Sep 29 21:26:14 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 30109C25B0D for ; Tue, 16 Aug 2022 00:14:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352091AbiHPAOr (ORCPT ); Mon, 15 Aug 2022 20:14:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46464 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356952AbiHPADZ (ORCPT ); Mon, 15 Aug 2022 20:03:25 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F3E016D465; Mon, 15 Aug 2022 13:25:17 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B571060EE9; Mon, 15 Aug 2022 20:25:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BAFFAC433C1; Mon, 15 Aug 2022 20:25:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595116; bh=nXLCx3HLzLLuXAw+x75a8CCR+YLWXfcXcmLGSMI+CgE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PxfN/zE1CvNBY39l2vMRPs2H46KL71CNS+lwyefPmg0YVXUxbwE8heVdig/oNKGoF qkHfo/GWR2LI2I1Y4EziQNWgxl/p0VzvqUzl5pTuQGXEaTBSVs4Z7jpGmzZuXiq79D xLwGfFvOCF//UZZl6KVZf03QxSa4vYRNztM6JUYk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonathan Cameron , Matt Ranostay , =?UTF-8?q?Nuno=20S=C3=A1?= , Sasha Levin Subject: [PATCH 5.19 0662/1157] iio: adc: ti-adc161s626: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:00:18 +0200 Message-Id: <20220815180506.197617958@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180439.416659447@linuxfoundation.org> References: <20220815180439.416659447@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jonathan Cameron [ Upstream commit 3a828f204a110dc9f253c4cf3c1103d00a0681da ] ____cacheline_aligned is an insufficient guarantee for non-coherent DMA on platforms with 128 byte cachelines above L1. Switch to the updated IIO_DMA_MINALIGN definition. Fixes: 4d671b71beef ("iio: adc: ti-adc161s626: add support for TI 1-channel= differential ADCs") Signed-off-by: Jonathan Cameron Cc: Matt Ranostay Acked-by: Nuno S=C3=A1 Link: https://lore.kernel.org/r/20220508175712.647246-34-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/adc/ti-adc161s626.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ti-adc161s626.c b/drivers/iio/adc/ti-adc161s62= 6.c index 75ca7f1c8726..b789891dcf49 100644 --- a/drivers/iio/adc/ti-adc161s626.c +++ b/drivers/iio/adc/ti-adc161s626.c @@ -71,7 +71,7 @@ struct ti_adc_data { u8 read_size; u8 shift; =20 - u8 buffer[16] ____cacheline_aligned; + u8 buffer[16] __aligned(IIO_DMA_MINALIGN); }; =20 static int ti_adc_read_measurement(struct ti_adc_data *data, --=20 2.35.1