From nobody Mon Sep 29 22:45:03 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 E42C6C3F6B0 for ; Tue, 16 Aug 2022 00:14:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355953AbiHPALv (ORCPT ); Mon, 15 Aug 2022 20:11:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356477AbiHPAC1 (ORCPT ); Mon, 15 Aug 2022 20:02:27 -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 7E35D169456; Mon, 15 Aug 2022 13:23:50 -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 1D8D860EE9; Mon, 15 Aug 2022 20:23:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AEC76C433C1; Mon, 15 Aug 2022 20:23:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595029; bh=1ZM8t4XUhuzWdK3a2YEu+0EkEQ6u6byYIrpokLIX+HA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IddozKMcffejg3/Ujrbx/Wk4P2r4YPj7CKNbNYCd1mIyyMfg6p7bjIZJZ9bTXdrmr U/KorXTkMWSK4i8aP+T/ivpEsTdTDphqVmZwU93ro22o5rfVnCLG6bq0qmTqnRcHw7 TxjTqOHAu2/4vtP180DsrdP94kJBPQCRqrXjgZVQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonathan Cameron , =?UTF-8?q?Nuno=20S=C3=A1?= , Sasha Levin Subject: [PATCH 5.19 0635/1157] iio: accel: bma220: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 19:59:51 +0200 Message-Id: <20220815180505.095176557@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 38e71240e2ff97184cdcdaf877cf62d3f16678e2 ] ____cacheline_aligned is insufficient guarantee for non-coherent DMA. Switch to the updated IIO_DMA_MINALIGN definition. Fixes: bf2a5600a3ebc ("iio: accel: Add support for Bosch BMA220") Signed-off-by: Jonathan Cameron Acked-by: Nuno S=C3=A1 Link: https://lore.kernel.org/r/20220508175712.647246-6-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/accel/bma220_spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/accel/bma220_spi.c b/drivers/iio/accel/bma220_spi.c index 74024d7ce5ac..b6d9ab8e2054 100644 --- a/drivers/iio/accel/bma220_spi.c +++ b/drivers/iio/accel/bma220_spi.c @@ -67,7 +67,7 @@ struct bma220_data { /* Ensure timestamp is naturally aligned. */ s64 timestamp __aligned(8); } scan; - u8 tx_buf[2] ____cacheline_aligned; + u8 tx_buf[2] __aligned(IIO_DMA_MINALIGN); }; =20 static const struct iio_chan_spec bma220_channels[] =3D { --=20 2.35.1