From patchwork Tue May 3 08:59:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12835370 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 B89E1C433FE for ; Tue, 3 May 2022 09:02:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233189AbiECJG0 (ORCPT ); Tue, 3 May 2022 05:06:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233182AbiECJG0 (ORCPT ); Tue, 3 May 2022 05:06:26 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9394D1BE93 for ; Tue, 3 May 2022 02:02:54 -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 45F56B81CA7 for ; Tue, 3 May 2022 09:02:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1BFA1C385A4; Tue, 3 May 2022 09:02:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651568572; bh=Fhlt/qW9Zs05subZawmiNh/9N1h+Q4FBt6IzKaoNDdg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EKe7+fNUs2JXAtJcicnxwTXj8DbzXwWR+vRT5KgjNYAAWV3yAowi+xHc4bIQQuhWb SkY4izmUlmi1Y5sa8DMDACDLD7mxnNJQWn4LSr9UttJWv4PJV4wJraQ96cVmRkDJ6U OmSywfsaIuLE0WGp/o9jsRvCfZO2VwHJ+2/8prgXOvyAi/5qR5KdmQP1MgznxKoLWw nmBbvqXNItyAoc4EbQ4dnHVWTCfN/zOqbw2UYQ1HUWuynZ7NzHQNutM48i4rfOEeTx v7LNjv7jTIrVM23BrVdbYSZbS78SQaduH7BlNfL1C9QZRnr6n7/KB43XvV9x3FIchp XxOdhk4grygJw== 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 71/92] iio: frequency: adrf6780: Fix alignment for DMA safety Date: Tue, 3 May 2022 09:59:14 +0100 Message-Id: <20220503085935.1533814-72-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: 63aaf6d06d87 ("iio: frequency: adrf6780: add support for ADRF6780") Signed-off-by: Jonathan Cameron Cc: Antoniu Miclaus --- drivers/iio/frequency/adrf6780.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/frequency/adrf6780.c b/drivers/iio/frequency/adrf6780.c index 8255ffd174f6..788de3b05e3a 100644 --- a/drivers/iio/frequency/adrf6780.c +++ b/drivers/iio/frequency/adrf6780.c @@ -86,7 +86,7 @@ struct adrf6780_state { bool uc_bias_en; bool lo_sideband; bool vdet_out_en; - u8 data[3] ____cacheline_aligned; + u8 data[3] __aligned(IIO_ALIGN); }; static int __adrf6780_spi_read(struct adrf6780_state *st, unsigned int reg,