From patchwork Sun May 8 17:56:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12842665 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 EC957C4332F for ; Sun, 8 May 2022 19:17:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229693AbiEHTSs (ORCPT ); Sun, 8 May 2022 15:18:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234743AbiEHSBw (ORCPT ); Sun, 8 May 2022 14:01:52 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 80705558C for ; Sun, 8 May 2022 10:58:01 -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 1EB3A61262 for ; Sun, 8 May 2022 17:58:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1A005C385A4; Sun, 8 May 2022 17:57:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1652032680; bh=Gim2ODQ+rvZF9icznXvhdbcplEqrHh5RMBwEwvL+ekY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=r3ZHmZt847EOKZCBbwpz20z5JsGYje7BpQF/U2U2NbXBjFipjZ29M9KrYdNWesj4B Z/NxPf0QeFixcLd4HwZ8stl4MbIkxfDuMXwtLTcrEhHpbk0rj6wHtWTcLNp3xNJQB8 vLl1pUjtvjvjWPWANkWmsRaLR1XKBnKYnafzZQtM0twTSn7UgBYQE/3IkaICiHjuVc +P6rXujWIkXB8putb+Op5cHUVo7SjVqW7NtJz7OnJkgWce5D2chZ9WFjWat4tPtQmz 37FF3b1upBLr3z7J+/4RyTptm1WOXLr66Tn32SieFZd9Rr8q+rlAm8coRhv5TguykN Wxb8+PqGphybw== From: Jonathan Cameron To: linux-iio@vger.kernel.org Cc: Alexandru Lazar , Akinobu Mita , Alexandru Tachici , Antoniu Miclaus , Charles-Antoine Couret , Cosmin Tanislav , David Lechner , Ivan Mikhaylov , Jacopo Mondi , Jean-Baptiste Maneyrol , Lars-Peter Clausen , Marcelo Schmitt , =?utf-8?q?M=C3=A5rten_Lindahl?= , Matt Ranostay , 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 v2 71/92] iio: frequency: adrf6780: Fix alignment for DMA safety Date: Sun, 8 May 2022 18:56:51 +0100 Message-Id: <20220508175712.647246-72-jic23@kernel.org> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220508175712.647246-1-jic23@kernel.org> References: <20220508175712.647246-1-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_DMA_MINALIGN definition. Fixes: 63aaf6d06d87 ("iio: frequency: adrf6780: add support for ADRF6780") Signed-off-by: Jonathan Cameron Cc: Antoniu Miclaus Acked-by: Nuno Sá --- 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..21878bad0909 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_DMA_MINALIGN); }; static int __adrf6780_spi_read(struct adrf6780_state *st, unsigned int reg,