From patchwork Thu Feb 6 05:20:10 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jaehoon Chung X-Patchwork-Id: 317347 X-Patchwork-Delegate: promsoft@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 3B2682C0079 for ; Thu, 6 Feb 2014 16:20:27 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id DA53D4B964; Thu, 6 Feb 2014 06:20:25 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4E1EeyZgtCqj; Thu, 6 Feb 2014 06:20:25 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 1CB6E4B96A; Thu, 6 Feb 2014 06:20:23 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 612D84B96B for ; Thu, 6 Feb 2014 06:20:20 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Yb9Gi5jAb58T for ; Thu, 6 Feb 2014 06:20:16 +0100 (CET) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mailout1.samsung.com (mailout1.samsung.com [203.254.224.24]) by theia.denx.de (Postfix) with ESMTPS id 8D3F04B964 for ; Thu, 6 Feb 2014 06:20:12 +0100 (CET) Received: from epcpsbgr4.samsung.com (u144.gpu120.samsung.co.kr [203.254.230.144]) by mailout1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N0K00F8G6TKOJ80@mailout1.samsung.com> for u-boot@lists.denx.de; Thu, 06 Feb 2014 14:20:08 +0900 (KST) Received: from epcpsbgm1.samsung.com ( [172.20.52.116]) by epcpsbgr4.samsung.com (EPCPMTA) with SMTP id AD.09.10364.88B13F25; Thu, 06 Feb 2014 14:20:08 +0900 (KST) X-AuditID: cbfee690-b7f266d00000287c-4b-52f31b887fe9 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id 06.55.29263.88B13F25; Thu, 06 Feb 2014 14:20:08 +0900 (KST) Received: from [10.252.81.186] by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0N0K00CAA6TKRX50@mmp1.samsung.com>; Thu, 06 Feb 2014 14:20:08 +0900 (KST) Message-id: <52F31B8A.6010002@samsung.com> Date: Thu, 06 Feb 2014 14:20:10 +0900 From: Jaehoon Chung User-Agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-version: 1.0 To: U-Boot Mailing List X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprHIsWRmVeSWpSXmKPExsWyRsSkRLdD+nOQwaI2LYs/O06yWuz6e5/R ouNIC6PFjss3WCzWPVnLavF2bye7xeSHrxgd2D3mzTrB4nH2zg5Gj74tqxgDmKO4bFJSczLL Uov07RK4Mi4eOMlW8Jqz4ujS/YwNjH/Yuxg5OSQETCTm9N6CssUkLtxbz9bFyMUhJLCUUeLW 3AssMEUvJlxkgkgsYpTYsbqZBcJ5zSixreEFK0gVr4CWROfSF8wgNouAqsTC5hYmEJtNQEdi +7fjYLaoQJjE1BNXWSDqBSV+TL4HZosI6ElMW9EKNodZ4C7Q6j8+ILawgKdE19wzUHEdif2t 09ggbHmJzWveMoMcISGwjF1i4o8WRojFAhLfJh8CGsoBlJCV2HSAGeIDSYmDK26wTGAUmYVk 9SwkY2chGbuAkXkVo2hqQXJBcVJ6kYlecWJucWleul5yfu4mRmDcnP73bMIOxnsHrA8xJgOt nMgsJZqcD4y7vJJ4Q2MzIwtTE1NjI3NLM9KElcR51R4lBQkJpCeWpGanphakFsUXleakFh9i ZOLglGpgjHz2h2fOU8FwXZOsmRP+ilZzfHi3SHCFaXbTw8cJ/G67Ii87V4ulxHuszZ/qFB/w JVR60++vW1QOb93vdv/zlprJa0//+8idFM9sdlTzYsE+Ia+4CQllyg85028dNi9v7r2Rpfmn Wa7ph13AgfB97Ofazx3atv5Y1s5vl35scknnysg6oL29SImlOCPRUIu5qDgRAArYAiuxAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrNIsWRmVeSWpSXmKPExsVy+t9jAd0O6c9BBp9fK1j82XGS1WLX3/uM Fh1HWhgtdly+wWKx7slaVou3ezvZLSY/fMXowO4xb9YJFo+zd3YwevRtWcUYwBzVwGiTkZqY klqkkJqXnJ+SmZduq+QdHO8cb2pmYKhraGlhrqSQl5ibaqvk4hOg65aZA7ReSaEsMacUKBSQ WFyspG+HaUJoiJuuBUxjhK5vSBBcj5EBGkhYw5hx8cBJtoLXnBVHl+5nbGD8w97FyMkhIWAi 8WLCRSYIW0ziwr31bF2MXBxCAosYJXasbmaBcF4zSmxreMEKUsUroCXRufQFM4jNIqAqsbC5 BaybTUBHYvu342C2qECYxNQTV1kg6gUlfky+B2aLCOhJTFvRCjaHWeAuo8StPz4gtrCAp0TX 3DNQcR2J/a3T2CBseYnNa94yT2Dkm4Vk1CwkZbOQlC1gZF7FKJpakFxQnJSea6hXnJhbXJqX rpecn7uJERyVz6R2MK5ssDjEKMDBqMTDu2H9pyAh1sSy4srcQ4wSHMxKIrwXnwOFeFMSK6tS i/Lji0pzUosPMSYDfTqRWUo0OR+YMPJK4g2NTcyMLI3MDS2MjM1JE1YS5z3Qah0oJJCeWJKa nZpakFoEs4WJg1OqgbFedkvNKq6FGZvU9O97RW6Pzi8LP/P/5b22e/c2HGdS99czfrU2p3lu 8XGvot8+1srnTpa/N7a9rLJIkLnzsOyUCSZzBa9cSbNfOj88pXsX+6f53lN3srOs2JLVtd2u nYuxweQMz+/HX480X5mrs1+t9XKffFDOSyfGQOnXfxdN5VfWs/3hv1iJpTgj0VCLuag4EQAD 3golDgMAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Cc: Piotr Wilczek , Przemyslaw Marczak Subject: [U-Boot] [PATCH 1/2] exynos: clock: fixed that cfg is set to wrong value. X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de From: Inha Song This patch fixed that cfg value is set to wrong value. Because it didn't read the related register. (Based on Inha's patch : "arm:exynos:add missing readl") Signed-off-by: Inha Song Signed-off-by: Jaehoon Chung --- arch/arm/cpu/armv7/exynos/clock.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c index 6807ff3..61cd8cf 100644 --- a/arch/arm/cpu/armv7/exynos/clock.c +++ b/arch/arm/cpu/armv7/exynos/clock.c @@ -1114,6 +1114,7 @@ void exynos4_set_lcd_clk(void) * MIPI0_PRE_RATIO [23:20] * set fimd ratio */ + cfg = readl(&clk->div_lcd0); cfg &= ~(0xf); cfg |= 0x1; writel(cfg, &clk->div_lcd0); @@ -1176,6 +1177,7 @@ void exynos5_set_lcd_clk(void) * MIPI0_PRE_RATIO [23:20] * set fimd ratio */ + cfg = readl(&clk->div_disp1_0); cfg &= ~(0xf); cfg |= 0x0; writel(cfg, &clk->div_disp1_0); @@ -1236,6 +1238,7 @@ void exynos4_set_mipi_clk(void) * MIPI0_PRE_RATIO [23:20] * set mipi ratio */ + cfg = readl(&clk->div_lcd0); cfg &= ~(0xf << 16); cfg |= (0x1 << 16); writel(cfg, &clk->div_lcd0);