From patchwork Tue May 3 08:59:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12835366 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 D00C3C433F5 for ; Tue, 3 May 2022 09:02:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233144AbiECJFt (ORCPT ); Tue, 3 May 2022 05:05:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233143AbiECJFs (ORCPT ); Tue, 3 May 2022 05:05:48 -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 240CA17067 for ; Tue, 3 May 2022 02:02:17 -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 B3B6A61301 for ; Tue, 3 May 2022 09:02:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A94B5C385B1; Tue, 3 May 2022 09:02:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651568536; bh=yyFaJmfOOnU47KgS6egUp1dbWzXKVMRObEI5wTNLXfA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KQrfj1eANM1413svHL3dF8n7avGPlT7fAwt8C0khI1avA/ON12K8LVbQXQscfeyQw dm0AwHW6N6lTDiVAB53EopF4ajJYdvBiaFHVQ1z/y+JcRluceOnUR7YoS+2Iw3ssHv v1dE4MmM6vyRl4vgjGkRgZUrdbl83kJkZVPGnJ709JAul+u4artkmRvyFdkWenR1S4 76csta1NVnfhJRbNg/RYj6N1GuYO3RZlC4cLGqwfHRWN+PegIV1yatM7jXZza/bPOM KehiYh7pPCs8wZv7Aow/uOWMFcJNCkkPQspAj6YPt7upX7dwdAgpqCnIkm04Y9o2t1 uzuVxMiAh9c7A== 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 67/92] iio: frequency: adf4371: Fix alignment for DMA safety Date: Tue, 3 May 2022 09:59:10 +0100 Message-Id: <20220503085935.1533814-68-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: 7f699bd14913 ("iio: frequency: adf4371: Add support for ADF4371 PLL") Signed-off-by: Jonathan Cameron --- drivers/iio/frequency/adf4371.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/frequency/adf4371.c b/drivers/iio/frequency/adf4371.c index ecd5e18995ad..edc5d1e8b5d7 100644 --- a/drivers/iio/frequency/adf4371.c +++ b/drivers/iio/frequency/adf4371.c @@ -175,7 +175,7 @@ struct adf4371_state { unsigned int mod2; unsigned int rf_div_sel; unsigned int ref_div_factor; - u8 buf[10] ____cacheline_aligned; + u8 buf[10] __aligned(IIO_ALIGN); }; static unsigned long long adf4371_pll_fract_n_get_rate(struct adf4371_state *st,