From patchwork Tue May 3 08:58:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12835352 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 A1942C433EF for ; Tue, 3 May 2022 09:00:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233126AbiECJDj (ORCPT ); Tue, 3 May 2022 05:03:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40202 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232391AbiECJDj (ORCPT ); Tue, 3 May 2022 05:03:39 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AFE253630B for ; Tue, 3 May 2022 02:00:07 -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 4C01861266 for ; Tue, 3 May 2022 09:00:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5CEFC385A9; Tue, 3 May 2022 08:59:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651568406; bh=foLsiZRjBkBV4+N8jPDxECl4KE6G75BWR+CYIRl/93g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XYHp9yjcx5bDfX9SUUEl88HUJr20rIn6ozFRJRXfwfljvcF7laeHzaCkQ4iQ9zusZ MOx1hEMkfKy6JQAzdoapQ6jFwCB9nnWfQniBhO4CqrSy4hxGY+s26rHdUb337ecuQJ MFZEd+UkaLAeGYYouTLSNDyCmzgvWNXD3Xj/FREiCmeLkeK+H+vpyflN4X/umIDBgX qcmVecglterMuMGdFXqQkcZsLrb2I1k+ZsEhi52308kgt4pCVXKjDLq6lVA0nsp5+3 EF3dpUsnOdEF+Gmf2uQUZBD/9CYnZPN6+dbYy7+QRRiwnhFNMQBDizFP5E1SjOctru AjIAoh5XDb4uA== 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 53/92] iio: dac: ad5766: Fix alignment for DMA safety Date: Tue, 3 May 2022 09:58:56 +0100 Message-Id: <20220503085935.1533814-54-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: fd9373e41b9b ("iio: dac: ad5766: add driver support for AD5766") Signed-off-by: Jonathan Cameron Cc: Cristian Pop --- drivers/iio/dac/ad5766.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/dac/ad5766.c b/drivers/iio/dac/ad5766.c index 43189af2fb1f..71953bc45f8e 100644 --- a/drivers/iio/dac/ad5766.c +++ b/drivers/iio/dac/ad5766.c @@ -123,7 +123,7 @@ struct ad5766_state { u32 d32; u16 w16[2]; u8 b8[4]; - } data[3] ____cacheline_aligned; + } data[3] __aligned(IIO_ALIGN); }; struct ad5766_span_tbl {