From mboxrd@z Thu Jan 1 00:00:00 1970 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 8C941C25B08 for ; Mon, 15 Aug 2022 21:43:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349427AbiHOVnk (ORCPT ); Mon, 15 Aug 2022 17:43:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47856 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349063AbiHOVjj (ORCPT ); Mon, 15 Aug 2022 17:39:39 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9A4943F307; Mon, 15 Aug 2022 12:28:34 -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 236D860FB1; Mon, 15 Aug 2022 19:28:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 14A2FC433C1; Mon, 15 Aug 2022 19:28:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660591713; bh=GTIZkC3zKQWu+Bct/VE1yaL9YF7rpRhed2b2ZCRgiOQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0r6wRS4VDERRMwM2s73IpBxn7W/K1SeD6tZDuZuiB5Wax2ZZGHVnLs8SW5RXJdF0W NrQLUv9wgMIR8WJHKfHPoFHtfTgbFf3zQ5x4E1GYb8TiYlhYjMcCYi9MbndD9S19dM DNd1kyUSNbq0DMeIWch+tUSQgCM0KuYIxSoEuLnY= 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 5.18 0669/1095] iio: proximity: as3935: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:01:08 +0200 Message-Id: <20220815180457.064911180@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: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jonathan Cameron [ Upstream commit 2386c0f8c5b740873a4b9126c3706601b127fe22 ] ____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: 24ddb0e4bba4 ("iio: Add AS3935 lightning sensor support") Signed-off-by: Jonathan Cameron Cc: Matt Ranostay Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-87-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/proximity/as3935.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c index 67891ce2bd09..ebc95cf8f5f4 100644 --- a/drivers/iio/proximity/as3935.c +++ b/drivers/iio/proximity/as3935.c @@ -65,7 +65,7 @@ struct as3935_state { u8 chan; s64 timestamp __aligned(8); } scan; - u8 buf[2] ____cacheline_aligned; + u8 buf[2] __aligned(IIO_DMA_MINALIGN); }; static const struct iio_chan_spec as3935_channels[] = { -- 2.35.1