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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 0EB4BC742BB for ; Fri, 12 Jul 2019 12:39:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DC2292080A for ; Fri, 12 Jul 2019 12:39:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562935164; bh=kS6jlmcfOV62aSYlSuRPkwC/U2Uh1K3KCN3XX9LHkoU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=LYZ1/Ip+SDgXVumxOKl2dTb0rYJu/zV7OQ7Eje+LEMybq9LnXMtQvUukFcS8fuMPB FXACayPI9Q6RaI+U8QFawLolgwYgjRd/TlGilSSJjyLW85B2Pcb1qrL2W6Yv3jjLgq 12a8liV5cPSRwt7xXaFp9cANkw8d1zLbwf+Y5VPI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727573AbfGLM10 (ORCPT ); Fri, 12 Jul 2019 08:27:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:39852 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726582AbfGLM10 (ORCPT ); Fri, 12 Jul 2019 08:27:26 -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 2E8C521670; Fri, 12 Jul 2019 12:27:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562934444; bh=kS6jlmcfOV62aSYlSuRPkwC/U2Uh1K3KCN3XX9LHkoU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TV4RC2AorHVPYJVltdPFcQkZ8uwe1+o7tGzUkbIvzzmGUHODhZsale56Wf3Y6YIHb pZ6NFCQ4u8rCjioZklsyG9KI0XNbnh8iCJ6Nf3CMJ4RqraSld+VEs6K+RBjT5JXOAA 0ae+YL9HJlmiAzLKhPpVpMWRtkb5T94os7PJ2dBA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Bartosz Golaszewski , Sekhar Nori , Sasha Levin Subject: [PATCH 5.1 056/138] ARM: davinci: da8xx: specify dma_coherent_mask for lcdc Date: Fri, 12 Jul 2019 14:18:40 +0200 Message-Id: <20190712121630.821511892@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190712121628.731888964@linuxfoundation.org> References: <20190712121628.731888964@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 68f2515bb31a664ba3e2bc1eb78dd9f529b10067 ] The lcdc device is missing the dma_coherent_mask definition causing the following warning on da850-evm: da8xx_lcdc da8xx_lcdc.0: found Sharp_LK043T1DG01 panel ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at kernel/dma/mapping.c:247 dma_alloc_attrs+0xc8/0x110 Modules linked in: CPU: 0 PID: 1 Comm: swapper Not tainted 5.2.0-rc3-00077-g16d72dd4891f #18 Hardware name: DaVinci DA850/OMAP-L138/AM18x EVM [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [] (show_stack) from [] (__warn+0xec/0x114) [] (__warn) from [] (warn_slowpath_null+0x3c/0x48) [] (warn_slowpath_null) from [] (dma_alloc_attrs+0xc8/0x110) [] (dma_alloc_attrs) from [] (fb_probe+0x228/0x5a8) [] (fb_probe) from [] (platform_drv_probe+0x48/0x9c) [] (platform_drv_probe) from [] (really_probe+0x1d8/0x2d4) [] (really_probe) from [] (driver_probe_device+0x5c/0x168) [] (driver_probe_device) from [] (device_driver_attach+0x58/0x60) [] (device_driver_attach) from [] (__driver_attach+0x80/0xbc) [] (__driver_attach) from [] (bus_for_each_dev+0x64/0xb4) [] (bus_for_each_dev) from [] (bus_add_driver+0xe4/0x1d8) [] (bus_add_driver) from [] (driver_register+0x78/0x10c) [] (driver_register) from [] (do_one_initcall+0x48/0x1bc) [] (do_one_initcall) from [] (kernel_init_freeable+0x10c/0x1d8) [] (kernel_init_freeable) from [] (kernel_init+0x8/0xf4) [] (kernel_init) from [] (ret_from_fork+0x14/0x34) Exception stack(0xc6837fb0 to 0xc6837ff8) 7fa0: 00000000 00000000 00000000 00000000 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ---[ end trace 8a8073511be81dd2 ]--- Add a 32-bit mask to the platform device's definition. Signed-off-by: Bartosz Golaszewski Signed-off-by: Sekhar Nori Signed-off-by: Sasha Levin --- arch/arm/mach-davinci/devices-da8xx.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index b8dc674e06bc..261240913b45 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -686,6 +686,9 @@ static struct platform_device da8xx_lcdc_device = { .id = 0, .num_resources = ARRAY_SIZE(da8xx_lcdc_resources), .resource = da8xx_lcdc_resources, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + } }; int __init da8xx_register_lcdc(struct da8xx_lcdc_platform_data *pdata) -- 2.20.1