From patchwork Tue May 3 08:59:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12835385 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 ECE0CC433FE for ; Tue, 3 May 2022 09:05:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233303AbiECJJF (ORCPT ); Tue, 3 May 2022 05:09:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233240AbiECJIr (ORCPT ); Tue, 3 May 2022 05:08:47 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 80198DE4 for ; Tue, 3 May 2022 02:05:12 -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 0792D61357 for ; Tue, 3 May 2022 09:05:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 183EBC385B1; Tue, 3 May 2022 09:05:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651568711; bh=jY2MaLUibDxv+r82/k9lqoRPwb6qIHU86LKAoM7J2zg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=N9NcUuXW0TSHf/euVgIkGSdPYGlPzz2QO2vT3jZDifAFV8p4mBaB1R2itmi9GBRDi f56zWtB/6C54F2EyKniKN3KLHkUIPGY3ytlev3LgVXGM+k9PBG35AZ0Zf8J09RIz9l KyseEZXK5XKDJR0DhHELqV23yMAFekmUIOIsZeqErNAP0MtPoIYiqW3a+Dh9t/xHTv tv4eDbKlyoBofxjgqkjzSmTYAuWrv6je8QcUSxb5U65T1M+q9Ds9yOKPr+nfQ5RZRJ Vf+Ppk4OY1DcirCs/0DPtikm7OCkuI8IW3LZw4yncFzwhEhPLsr31yO7C9Wun8HP5L oHKxA6KZs/7hA== 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 86/92] iio: proximity: as3935: Fix alignment for DMA safety Date: Tue, 3 May 2022 09:59:29 +0100 Message-Id: <20220503085935.1533814-87-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: 24ddb0e4bba4 ("iio: Add AS3935 lightning sensor support") Signed-off-by: Jonathan Cameron Cc: Matt Ranostay --- drivers/iio/proximity/as3935.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c index 67891ce2bd09..e4a6d0de47f4 100644 --- a/drivers/iio/proximity/as3935.c +++ b/drivers/iio/proximity/as3935.c @@ -65,7 +65,7 @@ struct as3935_state { u8 chan; s64 timestamp __aligned(8); } scan; - u8 buf[2] ____cacheline_aligned; + u8 buf[2] __aligned(IIO_ALIGN); }; static const struct iio_chan_spec as3935_channels[] = {