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 E7D43C433F5 for ; Tue, 3 May 2022 09:01:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233130AbiECJEw (ORCPT ); Tue, 3 May 2022 05:04:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43142 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230514AbiECJEw (ORCPT ); Tue, 3 May 2022 05:04:52 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CBB0E12AAD for ; Tue, 3 May 2022 02:01:20 -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 671BB61351 for ; Tue, 3 May 2022 09:01:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 26B20C385B1; Tue, 3 May 2022 09:01:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651568479; bh=wsQzNl/d2vRUhIoGAl+XhH/1Xi5z66pN85zhPqHW3rM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sepDu+B8J86R2JzHgU6fwFlXrPPgqMVdQMcjww8rBGVBGpByS0+EGeP+fYqIlMuNc 7MGQoVtdGUTsV+vbq5Ly9AQ2ifhWBgyx1pt+OfimOBSkTvrDn/XlOwfw87xrGLQIvR S8I3WTsxQLH2r1Wl6UsfxLiFn1+U6SgZrXz+noLUAB/VVJXIPaFT4uy4i+OYsjq3jq LC68D1yorlhlVBeVi1iDwWYRkwrhiGimhKw3BDDa2eTt1bdopDaQ/E5t1ZTEJr4V6q VxdGYQH2PtAQc/Bi2fO5O4J8OAHv9AAsJW4gSaPoJXK5z72oLDOp1h3uDFs71jXMRE fpltapvlME44A== 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 61/92] iio: dac: ti-dac082s085: Fix alignment for DMA safety Date: Tue, 3 May 2022 09:59:04 +0100 Message-Id: <20220503085935.1533814-62-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: 61011264c1af ("iio: dac: Add Texas Instruments 8/10/12-bit 2/4-channel DAC driver") Signed-off-by: Jonathan Cameron --- drivers/iio/dac/ti-dac082s085.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/dac/ti-dac082s085.c b/drivers/iio/dac/ti-dac082s085.c index 4e1156e6deb2..f2ae659c4787 100644 --- a/drivers/iio/dac/ti-dac082s085.c +++ b/drivers/iio/dac/ti-dac082s085.c @@ -55,7 +55,7 @@ struct ti_dac_chip { bool powerdown; u8 powerdown_mode; u8 resolution; - u8 buf[2] ____cacheline_aligned; + u8 buf[2] __aligned(IIO_ALIGN); }; #define WRITE_NOT_UPDATE(chan) (0x00 | (chan) << 6) -- 2.36.0