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=-8.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,T_DKIMWL_WL_HIGH,USER_AGENT_GIT autolearn=unavailable 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 BDB77C04AAD for ; Mon, 6 May 2019 15:01:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8F6182054F for ; Mon, 6 May 2019 15:01:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557154862; bh=QoyRgNmTdAJPWL9A22hSP/JtEszVw69vNRYFpH7L4QA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=kcjHG2G1BpSXOBTfwAuToNsp5jPUxeAB4PXV9RKRxTzcPHg++rpf6dYDEHosawinp POtSgiRJ5KdJcs0cO1N+tbHsOvWut87vNR8CJze+qNb2FuexGKenXDIB4PdjiS/29V Ec/bVb7s7w4DtmbEpB8tL7pzj+a+QOudyWrCWJlY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728325AbfEFOlt (ORCPT ); Mon, 6 May 2019 10:41:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:36146 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726763AbfEFOlt (ORCPT ); Mon, 6 May 2019 10:41:49 -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 0C6EA214C6; Mon, 6 May 2019 14:41:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557153708; bh=QoyRgNmTdAJPWL9A22hSP/JtEszVw69vNRYFpH7L4QA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Hz1ViMNKWr3bHcSw39EYLOSwHa5NHY3dl7U+nJ7lSuc8TN2pi8zU4Qt1EXGrA97CV XKA4Umm4FB9RnCVLNIy2/gh4tYw9mTZY+MNU0QNJQODkBwaDBYmSJ9lwNNeOwLeqm2 MzWN3aJIJ1BgfBH1GfWdGXOuHJj4bL8/dimjWz84= 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 4.19 67/99] ARM: orion: dont use using 64-bit DMA masks Date: Mon, 6 May 2019 16:32:40 +0200 Message-Id: <20190506143100.235774561@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190506143053.899356316@linuxfoundation.org> References: <20190506143053.899356316@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@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 a2399fd66e97..1e970873439c 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, }, }; -- 2.20.1