From patchwork Tue Nov 20 12:41:01 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Manjunathappa, Prakash" X-Patchwork-Id: 1773161 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id C390A3FCAE for ; Tue, 20 Nov 2012 12:43:40 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1Tan99-0003kk-BM; Tue, 20 Nov 2012 12:41:47 +0000 Received: from devils.ext.ti.com ([198.47.26.153]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Tan95-0003k0-4l for linux-arm-kernel@lists.infradead.org; Tue, 20 Nov 2012 12:41:43 +0000 Received: from dbdp20.itg.ti.com ([172.24.170.38]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id qAKCfYeK020446; Tue, 20 Nov 2012 06:41:35 -0600 Received: from DBDE70.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id qAKCfU7S006365; Tue, 20 Nov 2012 18:11:30 +0530 (IST) Received: from dbdp32.itg.ti.com (172.24.170.251) by dbde70.ent.ti.com (172.24.170.148) with Microsoft SMTP Server id 14.1.323.3; Tue, 20 Nov 2012 18:11:29 +0530 Received: from ucmsshproxy.india.ext.ti.com (dbdp20.itg.ti.com [172.24.170.38]) by dbdp32.itg.ti.com (8.13.8/8.13.8) with SMTP id qAKCfQEN031999; Tue, 20 Nov 2012 18:11:27 +0530 Received: from symphony.india.ext.ti.com (unknown [192.168.247.13]) by ucmsshproxy.india.ext.ti.com (Postfix) with ESMTP id 8D1D0158002; Tue, 20 Nov 2012 18:11:26 +0530 (IST) Received: from localhost.localdomain (ubuntu-psp-linux [192.168.247.46]) by symphony.india.ext.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id qAKCfNq11874; Tue, 20 Nov 2012 18:11:23 +0530 (IST) From: Manjunathappa To: , Subject: [PATCH] video: da8xx-fb: clk_get on connection id fck Date: Tue, 20 Nov 2012 18:11:01 +0530 Message-ID: <1353415261-30080-1-git-send-email-prakash.pm@ti.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20121120_074143_371208_E7260D26 X-CRM114-Status: GOOD ( 12.22 ) X-Spam-Score: -7.6 (-------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-7.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [198.47.26.153 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: linux@arm.linux.org.uk, FlorianSchandinat@gmx.de, nsekhar@ti.com, Vaibhav Hiremath , Manjunathappa , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org do clk_get on connection id "fck" to support OMAP based platforms having multiple clocks for module. Without this driver change clk_get fails on am335x. This patch is based on the discussion in community http://marc.info/?l=linux-kernel&m=135166018907827&w=2 Signed-off-by: Manjunathappa Cc: Vaibhav Hiremath Acked-by: Sekhar Nori --- arch/arm/mach-davinci/da830.c | 2 +- arch/arm/mach-davinci/da850.c | 2 +- arch/arm/mach-davinci/pm_domain.c | 1 + drivers/video/da8xx-fb.c | 2 +- 4 files changed, 4 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c index deee5c2..ee8504f 100644 --- a/arch/arm/mach-davinci/da830.c +++ b/arch/arm/mach-davinci/da830.c @@ -408,7 +408,7 @@ static struct clk_lookup da830_clks[] = { CLK(NULL, "pwm2", &pwm2_clk), CLK("eqep.0", NULL, &eqep0_clk), CLK("eqep.1", NULL, &eqep1_clk), - CLK("da8xx_lcdc.0", NULL, &lcdc_clk), + CLK("da8xx_lcdc.0", "fck", &lcdc_clk), CLK("davinci-mcasp.0", NULL, &mcasp0_clk), CLK("davinci-mcasp.1", NULL, &mcasp1_clk), CLK("davinci-mcasp.2", NULL, &mcasp2_clk), diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index b44dc84..bc75bdd 100644 --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c @@ -389,7 +389,7 @@ static struct clk_lookup da850_clks[] = { CLK(NULL, "rmii", &rmii_clk), CLK("davinci_emac.1", NULL, &emac_clk), CLK("davinci-mcasp.0", NULL, &mcasp_clk), - CLK("da8xx_lcdc.0", NULL, &lcdc_clk), + CLK("da8xx_lcdc.0", "fck", &lcdc_clk), CLK("davinci_mmc.0", NULL, &mmcsd0_clk), CLK("davinci_mmc.1", NULL, &mmcsd1_clk), CLK(NULL, "aemif", &aemif_clk), diff --git a/arch/arm/mach-davinci/pm_domain.c b/arch/arm/mach-davinci/pm_domain.c index 00946e2..c90250e 100644 --- a/arch/arm/mach-davinci/pm_domain.c +++ b/arch/arm/mach-davinci/pm_domain.c @@ -53,6 +53,7 @@ static struct dev_pm_domain davinci_pm_domain = { static struct pm_clk_notifier_block platform_bus_notifier = { .pm_domain = &davinci_pm_domain, + .con_ids = { "fck", NULL, }, }; static int __init davinci_pm_runtime_init(void) diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index f0f21c8..bb68533 100644 --- a/drivers/video/da8xx-fb.c +++ b/drivers/video/da8xx-fb.c @@ -1248,7 +1248,7 @@ static int __devinit fb_probe(struct platform_device *device) goto err_request_mem; } - fb_clk = clk_get(&device->dev, NULL); + fb_clk = clk_get(&device->dev, "fck"); if (IS_ERR(fb_clk)) { dev_err(&device->dev, "Can not get device clock\n"); ret = -ENODEV;