From patchwork Sun May 8 17:56:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12842577 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 3817DC433FE for ; Sun, 8 May 2022 19:12:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229931AbiEHTQg (ORCPT ); Sun, 8 May 2022 15:16:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40516 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238415AbiEHSBa (ORCPT ); Sun, 8 May 2022 14:01:30 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 89C9B558C for ; Sun, 8 May 2022 10:57:39 -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 ams.source.kernel.org (Postfix) with ESMTPS id 3C59AB80E5B for ; Sun, 8 May 2022 17:57:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A03B5C385AC; Sun, 8 May 2022 17:57:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1652032657; bh=7iRa7DlR8BuUF1Ju/bTBkSh/h/5eQvliSA2jekfA8Qo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bVn+8Kn636lowbnAFZGCdRNOd6lI7QItpVXFEb8s0E3bXuhUJOqSxr9lBmxhRq9Jq EGVEdGr75C9/XFk9fOCV85MvY/IZevyCjCs5p4sIWA+ZBlkKa0JVgQFwfR9L4jCsYi EhhyhJ4wkgwVhEKFpV7V1ah9U9TkO+BasvVcCJnEgrFLOiW6lHCxnyP76A8iPVTQms GXVLO44N3+fy99khOtJwKajx+ZalUyiAqYpVe3hX8gkrjaLEREaiuROtPpFENFM6Bt 5ITxkdKon2ZSstwg1Yv0FsY157Yyk3jeObK6y2VW73Bw6RXfTz9C/uDyebPYJcyjfs ks0Vxo9VQWk0Q== From: Jonathan Cameron To: linux-iio@vger.kernel.org Cc: Alexandru Lazar , Akinobu Mita , Alexandru Tachici , Antoniu Miclaus , Charles-Antoine Couret , Cosmin Tanislav , David Lechner , Ivan Mikhaylov , Jacopo Mondi , Jean-Baptiste Maneyrol , Lars-Peter Clausen , Marcelo Schmitt , =?utf-8?q?M=C3=A5rten_Lindahl?= , Matt Ranostay , 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 v2 68/92] iio: frequency: admv1013: Fix alignment for DMA safety Date: Sun, 8 May 2022 18:56:48 +0100 Message-Id: <20220508175712.647246-69-jic23@kernel.org> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220508175712.647246-1-jic23@kernel.org> References: <20220508175712.647246-1-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_DMA_MINALIGN definition. Fixes: da35a7b526d9 ("iio: frequency: admv1013: add support for ADMV1013") Signed-off-by: Jonathan Cameron Cc: Antoniu Miclaus Acked-by: Nuno Sá --- drivers/iio/frequency/admv1013.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/frequency/admv1013.c b/drivers/iio/frequency/admv1013.c index b0e1f6571afb..ed8167271358 100644 --- a/drivers/iio/frequency/admv1013.c +++ b/drivers/iio/frequency/admv1013.c @@ -100,7 +100,7 @@ struct admv1013_state { unsigned int input_mode; unsigned int quad_se_mode; bool det_en; - u8 data[3] ____cacheline_aligned; + u8 data[3] __aligned(IIO_DMA_MINALIGN); }; static int __admv1013_spi_read(struct admv1013_state *st, unsigned int reg,