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 91A60C433EF for ; Tue, 3 May 2022 08:59:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232655AbiECJCn (ORCPT ); Tue, 3 May 2022 05:02:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232391AbiECJCm (ORCPT ); Tue, 3 May 2022 05:02:42 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4980536154 for ; Tue, 3 May 2022 01:59:11 -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 D7A6361342 for ; Tue, 3 May 2022 08:59:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B0916C385A9; Tue, 3 May 2022 08:59:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651568350; bh=heQHm8KTpqbh4h+2BcrkvIjP0VF20eKjKx7KZJKIy4w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=N5ethp4qSI1Hl7nsGJrYjt2/g5O2/hKtTYBHdAIsCKWqfId3E0hOYU2ZQQHmPdqUx ojb+a8/EBxdE4byqm6fFdrsA2BBeUuwtIHD6FtdAineMnUFxAio15g8DMIWiQn3b2i O9ixqs5vK1hwNmVSQfkyVcivmFkmnzc7NLOv2vQIk5oVLpDSnnAelohQf5GuvFb+Yz nfnkumqkLSNG7fAcJ3fipU0AMT+S9qa+ZQ/Lzg7Ewaiqybe2eyn3hqMeA7Dlyv9KI2 de0e8k72uJhj1L1ljZnoP9wPVwNQJAWhRS709nZMRDJUY/JlL1RFRDKGSVi7qD5Xfh 7XyRlHqLjNE8A== 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 47/92] iio: dac: ad5504: Fix alignment for DMA safety Date: Tue, 3 May 2022 09:58:50 +0100 Message-Id: <20220503085935.1533814-48-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: 0dbe59c7a788 ("iio:ad5504: Do not store transfer buffers on the stack") Signed-off-by: Jonathan Cameron Cc: Lars-Peter Clausen --- drivers/iio/dac/ad5504.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/dac/ad5504.c b/drivers/iio/dac/ad5504.c index 8507573aa13e..cfbb8335228c 100644 --- a/drivers/iio/dac/ad5504.c +++ b/drivers/iio/dac/ad5504.c @@ -54,7 +54,7 @@ struct ad5504_state { unsigned pwr_down_mask; unsigned pwr_down_mode; - __be16 data[2] ____cacheline_aligned; + __be16 data[2] __aligned(IIO_ALIGN); }; /* -- 2.36.0