From patchwork Mon Mar 25 15:50:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 10869525 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4140415AC for ; Mon, 25 Mar 2019 15:51:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 27DEE29426 for ; Mon, 25 Mar 2019 15:51:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1B97A2942C; Mon, 25 Mar 2019 15:51:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B2D6C29426 for ; 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Mon, 25 Mar 2019 15:51:22 +0000 Received: from mout.kundenserver.de ([212.227.17.10]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h8RsY-0000ow-0e for linux-arm-kernel@lists.infradead.org; Mon, 25 Mar 2019 15:51:19 +0000 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 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 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== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190325_085114_377044_58CE8536 X-CRM114-Status: GOOD ( 11.28 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Arnd Bergmann , Nick Desaulniers , Russell King , linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, arm@kernel.org, Nathan Chancellor , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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, }, };