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[209.132.180.67]) by mx.google.com with ESMTP id m7si1490066plt.392.2019.05.15.04.01.15; Wed, 15 May 2019 04:01:30 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=YXqWTT2z; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727202AbfEOK7i (ORCPT + 99 others); Wed, 15 May 2019 06:59:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:56198 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727189AbfEOK7g (ORCPT ); Wed, 15 May 2019 06:59:36 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 15FF92084F; Wed, 15 May 2019 10:59:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557917975; bh=LgIVwm/ISNxIIfAYNQfx/Ogib/xLG1rbp5oCzcoEd0k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YXqWTT2zkxn4XYwqKJNr18MWEuOLN4W7UlPzmRt7XU1D0peDEFA6WaybYyU8VOhlB 0uQCotiePOQQyTfowPJjYEy4m9MoQux15XJ8roz54jwbbWzyV5FjFnzSJyylGwnOQd TR3Z8uBDqniU0zF+fx6fgerPb3Maa2jFBQlRXnYs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arnd Bergmann , Olof Johansson , Sasha Levin Subject: [PATCH 3.18 45/86] ARM: orion: dont use using 64-bit DMA masks Date: Wed, 15 May 2019 12:55:22 +0200 Message-Id: <20190515090651.374681058@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190515090642.339346723@linuxfoundation.org> References: <20190515090642.339346723@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [ Upstream commit cd92d74d67c811dc22544430b9ac3029f5bd64c5 ] clang warns about statically defined DMA masks from the DMA_BIT_MASK macro with length 64: arch/arm/plat-orion/common.c:625:29: error: shift count >= width of type [-Werror,-Wshift-count-overflow] .coherent_dma_mask = DMA_BIT_MASK(64), ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:141:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) The ones in orion shouldn't really be 64 bit masks, so changing them to what the driver can support avoids the warning. Signed-off-by: Arnd Bergmann Signed-off-by: Olof Johansson Signed-off-by: Sasha Levin --- arch/arm/plat-orion/common.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c index b8b6e22f9987..c774011131e2 100644 --- a/arch/arm/plat-orion/common.c +++ b/arch/arm/plat-orion/common.c @@ -649,7 +649,7 @@ static struct platform_device orion_xor0_shared = { .resource = orion_xor0_shared_resources, .dev = { .dma_mask = &orion_xor_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(64), + .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &orion_xor0_pdata, }, }; @@ -710,7 +710,7 @@ static struct platform_device orion_xor1_shared = { .resource = orion_xor1_shared_resources, .dev = { .dma_mask = &orion_xor_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(64), + .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &orion_xor1_pdata, }, }; -- 2.20.1