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 66B12C433EF for ; Tue, 3 May 2022 09:00:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233128AbiECJDu (ORCPT ); Tue, 3 May 2022 05:03:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233130AbiECJDs (ORCPT ); Tue, 3 May 2022 05:03:48 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E0A3125FD for ; Tue, 3 May 2022 02:00:16 -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 7C0B060F37 for ; Tue, 3 May 2022 09:00:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3F47BC385B3; Tue, 3 May 2022 09:00:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651568415; bh=eHKkrpM+yWFwqYfqSAZpjl93cTn0jRIP16tG9M9FjHY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pBWzIOP4Fw9VKxSuGuEZZrSVRDnJCwCEYCTcttpl1kRjAJJiOyeoMDVbalrWdusEs 2DCwUPLtsKA7EWG83INaHzpQyj9r+Y5lwfSnF/vAcC+BCwt1sqDx6A96FXbfNB1gVY Yoo/QWitbQnHcV6WxhgswRlBT6jbmEuiRxokobi4INjA6RlTAX6nMePpwA9fHiBKDR G4BJT/2g+lDqAlkPk73+w+d2tgDcgo0i0phc4/tEvz2KOf8E+sFMg6e9X3+3eI5BYg 0pr2LV6KtFguTE5Jretk7kLkIdqK7LW+Owc0RO9vm8uFQ5yEN8dah5sToUCsyi+jpH LoUgp7ngG20MA== From: Jonathan Cameron To: linux-iio@vger.kernel.org Cc: Akinobu Mita , Alexandru Lazar , Alexandru Tachici , Antoniu Miclaus , Charles-Antoine Couret , Cosmin Tanislav , Cristian Pop , David Lechner , Ivan Mikhaylov , Jacopo Mondi , Jean-Baptiste Maneyrol , Lars-Peter Clausen , Marcelo Schmitt , =?UTF-8?q?M=C3=A5rten=20Lindahl?= , Matt Ranostay , Michael Hennerich , Michael Welling , Mugilraj Dhavachelvan , Navin Sankar Velliangiri , =?UTF-8?q?Nuno=20S=C3=A1?= , Paul Cercueil , Phil Reid , Puranjay Mohan , Ricardo Ribalda , Robert Jones , Rui Miguel Silva , Sean Nyekjaer , Tomas Melin , Tomislav Denis , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Jonathan Cameron Subject: [PATCH 54/92] iio: dac: ad5770r: Fix alignment for DMA safety Date: Tue, 3 May 2022 09:58:57 +0100 Message-Id: <20220503085935.1533814-55-jic23@kernel.org> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220503085935.1533814-1-jic23@kernel.org> References: <20220503085935.1533814-1-jic23@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Jonathan Cameron ____cacheline_aligned is an insufficient guarantee for non-coherent DMA on platforms with 128 byte cachelines above L1. Switch to the updated IIO_ALIGN definition. Fixes: cbbb819837f6 ("iio: dac: ad5770r: Add AD5770R support") Signed-off-by: Jonathan Cameron Cc: Alexandru Tachici --- drivers/iio/dac/ad5770r.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/dac/ad5770r.c b/drivers/iio/dac/ad5770r.c index 7e2fd32e993a..be5b6331e6d9 100644 --- a/drivers/iio/dac/ad5770r.c +++ b/drivers/iio/dac/ad5770r.c @@ -140,7 +140,7 @@ struct ad5770r_state { bool ch_pwr_down[AD5770R_MAX_CHANNELS]; bool internal_ref; bool external_res; - u8 transf_buf[2] ____cacheline_aligned; + u8 transf_buf[2] __aligned(IIO_ALIGN); }; static const struct regmap_config ad5770r_spi_regmap_config = { -- 2.36.0