From patchwork Thu Aug 2 16:53:48 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Murali Karicheri X-Patchwork-Id: 1267871 Return-Path: X-Original-To: patchwork-davinci@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from bear.ext.ti.com (bear.ext.ti.com [192.94.94.41]) by patchwork1.kernel.org (Postfix) with ESMTP id D75CE3FC71 for ; Thu, 2 Aug 2012 16:55:50 +0000 (UTC) Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id q72GrsVt031610; Thu, 2 Aug 2012 11:53:54 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id q72Grr6b008575; Thu, 2 Aug 2012 11:53:53 -0500 Received: from dlelxv23.itg.ti.com (172.17.1.198) by dfle73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.1.323.3; Thu, 2 Aug 2012 11:53:53 -0500 Received: from linux.omap.com (dlelxs01.itg.ti.com [157.170.227.31]) by dlelxv23.itg.ti.com (8.13.8/8.13.8) with ESMTP id q72Grrn6024979; Thu, 2 Aug 2012 11:53:53 -0500 Received: from linux.omap.com (localhost [127.0.0.1]) by linux.omap.com (Postfix) with ESMTP id 8029180627; Thu, 2 Aug 2012 11:53:53 -0500 (CDT) X-Original-To: davinci-linux-open-source@linux.davincidsp.com Delivered-To: davinci-linux-open-source@linux.davincidsp.com Received: from dlelxv30.itg.ti.com (dlelxv30.itg.ti.com [172.17.2.17]) by linux.omap.com (Postfix) with ESMTP id 1784C80626 for ; Thu, 2 Aug 2012 11:53:52 -0500 (CDT) Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id q72GrqC6008545; Thu, 2 Aug 2012 11:53:52 -0500 Received: from dlelxv22.itg.ti.com (172.17.1.197) by dfle72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.1.323.3; Thu, 2 Aug 2012 11:53:51 -0500 Received: from ares-ubuntu.am.dhcp.ti.com (ares-ubuntu.am.dhcp.ti.com [158.218.103.17]) by dlelxv22.itg.ti.com (8.13.8/8.13.8) with ESMTP id q72Grpmn019401; Thu, 2 Aug 2012 11:53:51 -0500 Received: from a0868495 by ares-ubuntu.am.dhcp.ti.com with local (Exim 4.76) (envelope-from ) id 1Swyel-0001Mh-Bv; Thu, 02 Aug 2012 12:53:51 -0400 From: Murali Karicheri To: , , , , , , Subject: [PATCH] arm:davinci: clk - migrate to new common clock API Date: Thu, 2 Aug 2012 12:53:48 -0400 Message-ID: <1343926428-5210-1-git-send-email-m-karicheri2@ti.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-BeenThere: davinci-linux-open-source@linux.davincidsp.com X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: Errors-To: davinci-linux-open-source-bounces@linux.davincidsp.com As a first step towards migrating davinci platforms to use common clock framework, replace all instances of clk_enable() with clk_prepare_enable() and clk_disable() with clk_disable_unprepare(). Until the platform is switched to use the CONFIG_HAVE_CLK_PREPARE Kconfig variable, this just adds a might_sleep() call and would work without any issues. This will make it easy later to switch to common clk based implementation of clk driver from DaVinci specific driver. Signed-off-by: Murali Karicheri Reviewed-by: Mike Turquette --- arch/arm/mach-davinci/board-dm355-evm.c | 2 +- arch/arm/mach-davinci/board-dm355-leopard.c | 2 +- arch/arm/mach-davinci/board-dm365-evm.c | 4 ++-- arch/arm/mach-davinci/board-dm644x-evm.c | 2 +- arch/arm/mach-davinci/board-neuros-osd2.c | 2 +- arch/arm/mach-davinci/devices-da8xx.c | 6 +++--- arch/arm/mach-davinci/serial.c | 2 +- arch/arm/mach-davinci/time.c | 4 ++-- 8 files changed, 12 insertions(+), 12 deletions(-) diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c index 1c7b1f4..4821fba 100644 --- a/arch/arm/mach-davinci/board-dm355-evm.c +++ b/arch/arm/mach-davinci/board-dm355-evm.c @@ -324,7 +324,7 @@ static __init void dm355_evm_init(void) if (IS_ERR(aemif)) WARN("%s: unable to get AEMIF clock\n", __func__); else - clk_enable(aemif); + clk_prepare_enable(aemif); platform_add_devices(davinci_evm_devices, ARRAY_SIZE(davinci_evm_devices)); diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c b/arch/arm/mach-davinci/board-dm355-leopard.c index 8e77032..b754ccf 100644 --- a/arch/arm/mach-davinci/board-dm355-leopard.c +++ b/arch/arm/mach-davinci/board-dm355-leopard.c @@ -246,7 +246,7 @@ static __init void dm355_leopard_init(void) if (IS_ERR(aemif)) WARN("%s: unable to get AEMIF clock\n", __func__); else - clk_enable(aemif); + clk_prepare_enable(aemif); platform_add_devices(davinci_leopard_devices, ARRAY_SIZE(davinci_leopard_devices)); diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index 2830692..3a4743b 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -481,7 +481,7 @@ static void __init evm_init_cpld(void) aemif_clk = clk_get(NULL, "aemif"); if (IS_ERR(aemif_clk)) return; - clk_enable(aemif_clk); + clk_prepare_enable(aemif_clk); if (request_mem_region(DM365_ASYNC_EMIF_DATA_CE1_BASE, SECTION_SIZE, "cpld") == NULL) @@ -492,7 +492,7 @@ static void __init evm_init_cpld(void) SECTION_SIZE); fail: pr_err("ERROR: can't map CPLD\n"); - clk_disable(aemif_clk); + clk_disable_unprepare(aemif_clk); return; } diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c index d34ed55..04ef708 100644 --- a/arch/arm/mach-davinci/board-dm644x-evm.c +++ b/arch/arm/mach-davinci/board-dm644x-evm.c @@ -775,7 +775,7 @@ static __init void davinci_evm_init(void) struct davinci_soc_info *soc_info = &davinci_soc_info; aemif_clk = clk_get(NULL, "aemif"); - clk_enable(aemif_clk); + clk_prepare_enable(aemif_clk); if (HAS_ATA) { if (HAS_NAND || HAS_NOR) diff --git a/arch/arm/mach-davinci/board-neuros-osd2.c b/arch/arm/mach-davinci/board-neuros-osd2.c index 5de69f2..7fdd0a7b 100644 --- a/arch/arm/mach-davinci/board-neuros-osd2.c +++ b/arch/arm/mach-davinci/board-neuros-osd2.c @@ -221,7 +221,7 @@ static __init void davinci_ntosd2_init(void) int status; aemif_clk = clk_get(NULL, "aemif"); - clk_enable(aemif_clk); + clk_prepare_enable(aemif_clk); if (HAS_ATA) { if (HAS_NAND) diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index d1624a3..20141f5 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -905,7 +905,7 @@ static int da850_sata_init(struct device *dev, void __iomem *addr) if (IS_ERR(da850_sata_clk)) return PTR_ERR(da850_sata_clk); - ret = clk_enable(da850_sata_clk); + ret = clk_prepare_enable(da850_sata_clk); if (ret) goto err0; @@ -936,7 +936,7 @@ static int da850_sata_init(struct device *dev, void __iomem *addr) return 0; err1: - clk_disable(da850_sata_clk); + clk_disable_unprepare(da850_sata_clk); err0: clk_put(da850_sata_clk); return ret; @@ -944,7 +944,7 @@ err0: static void da850_sata_exit(struct device *dev) { - clk_disable(da850_sata_clk); + clk_disable_unprepare(da850_sata_clk); clk_put(da850_sata_clk); } diff --git a/arch/arm/mach-davinci/serial.c b/arch/arm/mach-davinci/serial.c index 1875740..24ddb0d 100644 --- a/arch/arm/mach-davinci/serial.c +++ b/arch/arm/mach-davinci/serial.c @@ -95,7 +95,7 @@ int __init davinci_serial_init(struct davinci_uart_config *info) continue; } - clk_enable(uart_clk); + clk_prepare_enable(uart_clk); p->uartclk = clk_get_rate(uart_clk); if (!p->membase && p->mapbase) { diff --git a/arch/arm/mach-davinci/time.c b/arch/arm/mach-davinci/time.c index 75da315..9847938 100644 --- a/arch/arm/mach-davinci/time.c +++ b/arch/arm/mach-davinci/time.c @@ -379,7 +379,7 @@ static void __init davinci_timer_init(void) timer_clk = clk_get(NULL, "timer0"); BUG_ON(IS_ERR(timer_clk)); - clk_enable(timer_clk); + clk_prepare_enable(timer_clk); /* init timer hw */ timer_init(); @@ -429,7 +429,7 @@ void davinci_watchdog_reset(struct platform_device *pdev) wd_clk = clk_get(&pdev->dev, NULL); if (WARN_ON(IS_ERR(wd_clk))) return; - clk_enable(wd_clk); + clk_prepare_enable(wd_clk); /* disable, internal clock source */ __raw_writel(0, base + TCR);