From nobody Fri Oct 24 20:35:21 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 2FAC3C00140 for ; Mon, 15 Aug 2022 21:34:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348675AbiHOVer (ORCPT ); Mon, 15 Aug 2022 17:34:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348548AbiHOVdi (ORCPT ); Mon, 15 Aug 2022 17:33:38 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5E7DF5FF51; Mon, 15 Aug 2022 12:24:38 -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 sin.source.kernel.org (Postfix) with ESMTPS id 3ECDDCE12C8; Mon, 15 Aug 2022 19:24:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 12538C433D7; Mon, 15 Aug 2022 19:24:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660591474; bh=BPYGU0prx8vy2rm3ykiDuUfKlScpRpunExDGsvyfH6I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fNlCtzLXZdlZFKSzgbEZH14pwIkfAmyV+g2gEu+MUGLBO8oQ3Hjo4tvKm8i2yntQX kEPLzNuTnhX2rnqeUfsq6gAvWAZb2WbPGqSE6hRYHqFaZWv69zcyqjPvtS6sWY6Mx7 fC4jhsAMz8oAUFhoxZt4cxjh9iN3ZLA1CW5vBAMw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonathan Cameron , Tomas Melin , =?UTF-8?q?Nuno=20S=C3=A1?= , Sasha Levin Subject: [PATCH 5.18 0592/1095] iio: accel: sca3300: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 19:59:51 +0200 Message-Id: <20220815180454.043035081@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180429.240518113@linuxfoundation.org> References: <20220815180429.240518113@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 b1d3a806630dbbf3b4d75a2e850adccf4f4439e7 ] ____cacheline_aligned is insufficient guarantee for non-coherent DMA. Switch to the updated IIO_DMA_MINALIGN definition. Fixes: 9cc9806e22178 ("iio: accel: Add driver for Murata SCA3300 accelerome= ter") Signed-off-by: Jonathan Cameron Reviewed-by: Tomas Melin Acked-by: Nuno S=C3=A1 Link: https://lore.kernel.org/r/20220508175712.647246-9-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/accel/sca3300.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/accel/sca3300.c b/drivers/iio/accel/sca3300.c index f7ef8ecfd34a..39e0c24364ae 100644 --- a/drivers/iio/accel/sca3300.c +++ b/drivers/iio/accel/sca3300.c @@ -115,7 +115,7 @@ struct sca3300_data { s16 channels[4]; s64 ts __aligned(sizeof(s64)); } scan; - u8 txbuf[4] ____cacheline_aligned; + u8 txbuf[4] __aligned(IIO_DMA_MINALIGN); u8 rxbuf[4]; }; =20 --=20 2.35.1