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 X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9EA0BC43381 for ; Mon, 25 Mar 2019 15:51:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 74A842087E for ; Mon, 25 Mar 2019 15:51:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729529AbfCYPvZ (ORCPT ); Mon, 25 Mar 2019 11:51:25 -0400 Received: from mout.kundenserver.de ([212.227.17.10]:43903 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729106AbfCYPvX (ORCPT ); Mon, 25 Mar 2019 11:51:23 -0400 Received: from wuerfel.lan ([149.172.19.189]) by mrelayeu.kundenserver.de (mreue108 [212.227.15.145]) with ESMTPA (Nemesis) id 1MfHMj-1gTJdc1nn1-00glfR; Mon, 25 Mar 2019 16:51:03 +0100 From: Arnd Bergmann To: Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Gregory Clement Cc: clang-built-linux@googlegroups.com, Nick Desaulniers , Nathan Chancellor , arm@kernel.org, Arnd Bergmann , Russell King , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] ARM: orion: don't use using 64-bit DMA masks Date: Mon, 25 Mar 2019 16:50:42 +0100 Message-Id: <20190325155101.3544731-1-arnd@arndb.de> X-Mailer: git-send-email 2.20.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:COBMlKzTRvZ6y/b9fWVlle7Lr1pZJQdoRG82Gy4ic7tc+JYEdfn /da8hPKxn/piF3r0wUar3rQRg6d16Mbg3KZD3g7TPYyLk36tMx9u3DqngiCRK6yAYn//T01 e1k7l/Md2szJDSPbmKO8xvjX7jNpaqTI8xUOuW2kLAMp+w0oyYzMIVmMtSFhY9CkYJQPrRC Ha178RlaBaCsQmVaFTKvA== X-UI-Out-Filterresults: notjunk:1;V03:K0:1BYFSPewexA=:lbtFuhNoThCFslHT2j2Qxs rmsSsH5KRbTR8s0QS2Cy3ivO5ofrsvdnU9VdCdC5ERoXwWySgHXJ0Eo2WHDDRYThjsMKgakaf IdcGNcxj0EbKxP7JMG3pqnfwujTu0JXO4ExqynEznkHLEx6ttA29emsXLklJW0eVhEIoVREeW 33E6//mPo3pe/Nkbx4KwFH7pLt74dnVZemXHkOkbm1SvL2PkS0G0wmLDNPt1blxtXO37/exhK 4y8/O+jAR+9fRYn3OgCNfo3u3ZLD2I5G/MjYZjfzK3GEctIoZYVZuakg9TqZozjclWkGKYhmc +meD0xDK0RsmLbXSX3ORtJSSuWMYXa5osChbmdw1Cfk9iyNfd8PNF8erBEtUPE8aFsgpR3KHi gnQaSFfoMHzOi9KDmrfyR9QCpkC/cRgyMhPk1g0eTtfKmtfKQskTF5Yg8qaDFWNvcR1dtHwJl +8XUX03FTiHE39psKoQ1BVogAmAdxG5cCljgTFs59c602kcjcuMd1wS3FBoIZ2+jxx7A8leo1 sl3rlkyWH3jJa4Yy+6y6exdZh3Xb2NOGv5V2H726N8+/iObKDPIlvIB3PUGBzwJx6z9q/v7Bm h+mbmYH+Sasi7SwEYNKxrEJ9rUJjt2TgzBxYm2gkJGScRAs0hkdpLhyKJ/PxrlZpS3gRtSAwS uNcE499E10ZkNc3K8bUXtXRluuOZo5jmUxkLLbHubprBFhC6ct8V3Ukd/D+Pfg4ijaE/BpU5G UGCB96aZNy6XFhv39qM2YJv9BMJAKLAD7OOoYg== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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 a6c81ce00f52..8647cb80a93b 100644 --- a/arch/arm/plat-orion/common.c +++ b/arch/arm/plat-orion/common.c @@ -622,7 +622,7 @@ 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, }, }; @@ -683,7 +683,7 @@ 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, }, }; -- 2.20.0