From patchwork Tue May 3 08:59:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12835369 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 28513C433EF for ; Tue, 3 May 2022 09:02:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233187AbiECJGQ (ORCPT ); Tue, 3 May 2022 05:06:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43938 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233175AbiECJGP (ORCPT ); Tue, 3 May 2022 05:06:15 -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 9B24319C2E for ; Tue, 3 May 2022 02:02:43 -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 30B5261307 for ; Tue, 3 May 2022 09:02:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C2880C385B0; Tue, 3 May 2022 09:02:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651568562; bh=Ysnp6df9y0j0sWUgTd0LRze5Sb22RByTuKGgjtyPgTA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dXZBIeyBlPxFv893jDb2lxhw6sWnOZdd1Hysln3MvV+kaoU+LO+3IsVokMOmzfm1t +jXWkCUDWAu4HVJGitv698ZyW5KOHvun/WIYCHfwtxgVZtrfYcfu61fAzYZOkVCocM oRsJvgfMSUP0N/kIjNHt3AAlXwsWF3wXZIhZBB1PfaXd/MNc0v162YsoP43IlwRmcj bYgim4W4GkufC1rcbvFPnZ2A84sUoYK874thoPLdGK7zU/9G5A1TBy9u3oWyuxXepD 0+V1RIehfaFt4TVdCGy1vQ3HIsVI1eaK6nZ8piai4lc+CqOUTlF/0O2Ax4EX2LhcIH 7Z2NWRa4ZIU8g== 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_Lindahl?= , Matt Ranostay , Michael Hennerich , Michael Welling , Mugilraj Dhavachelvan , Navin Sankar Velliangiri , =?utf-8?q?Nuno_S=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_Kleine-K=C3=B6nig?= , Jonathan Cameron Subject: [PATCH 70/92] iio: frequency: admv4420: Fix alignment for DMA safety Date: Tue, 3 May 2022 09:59:13 +0100 Message-Id: <20220503085935.1533814-71-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 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: b59c04155901 ("iio: frequency: admv4420.c: Add support for ADMV4420") Signed-off-by: Jonathan Cameron Cc: Cristian Pop --- drivers/iio/frequency/admv4420.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/frequency/admv4420.c b/drivers/iio/frequency/admv4420.c index 51134aee8510..71c1af6fd56b 100644 --- a/drivers/iio/frequency/admv4420.c +++ b/drivers/iio/frequency/admv4420.c @@ -113,7 +113,7 @@ struct admv4420_state { struct admv4420_n_counter n_counter; enum admv4420_mux_sel mux_sel; struct mutex lock; - u8 transf_buf[4] ____cacheline_aligned; + u8 transf_buf[4] __aligned(IIO_ALIGN); }; static const struct regmap_config admv4420_regmap_config = {