From 6a5278d0715c5dfd42151bb6d7444db3f2ceed52 Mon Sep 17 00:00:00 2001 From: Prashant Gaikwad Date: Tue, 5 Jun 2012 09:59:35 +0530 Subject: [PATCH] ARM: tegra: add clk_prepare/clk_unprepare Use clk_prepare/clk_unprepare as required by the generic clk framework. Tested on Ventana and Cardhu. Signed-off-by: Prashant Gaikwad Signed-off-by: Stephen Warren --- arch/arm/mach-tegra/cpu-tegra.c | 6 +++--- arch/arm/mach-tegra/dma.c | 2 +- arch/arm/mach-tegra/pcie.c | 6 +++--- arch/arm/mach-tegra/powergate.c | 4 ++-- arch/arm/mach-tegra/timer.c | 4 ++-- arch/arm/mach-tegra/usb_phy.c | 16 ++++++++-------- 6 files changed, 19 insertions(+), 19 deletions(-) diff --git a/arch/arm/mach-tegra/cpu-tegra.c b/arch/arm/mach-tegra/cpu-tegra.c index 7a065f0cf633..ceb52db1e2f1 100644 --- a/arch/arm/mach-tegra/cpu-tegra.c +++ b/arch/arm/mach-tegra/cpu-tegra.c @@ -189,8 +189,8 @@ static int tegra_cpu_init(struct cpufreq_policy *policy) return PTR_ERR(emc_clk); } - clk_enable(emc_clk); - clk_enable(cpu_clk); + clk_prepare_enable(emc_clk); + clk_prepare_enable(cpu_clk); cpufreq_frequency_table_cpuinfo(policy, freq_table); cpufreq_frequency_table_get_attr(freq_table, policy->cpu); @@ -212,7 +212,7 @@ static int tegra_cpu_init(struct cpufreq_policy *policy) static int tegra_cpu_exit(struct cpufreq_policy *policy) { cpufreq_frequency_table_cpuinfo(policy, freq_table); - clk_disable(emc_clk); + clk_disable_unprepare(emc_clk); clk_put(emc_clk); clk_put(cpu_clk); return 0; diff --git a/arch/arm/mach-tegra/dma.c b/arch/arm/mach-tegra/dma.c index abea4f6e2dd5..2698d7d5c9ca 100644 --- a/arch/arm/mach-tegra/dma.c +++ b/arch/arm/mach-tegra/dma.c @@ -720,7 +720,7 @@ int __init tegra_dma_init(void) ret = PTR_ERR(c); goto fail; } - ret = clk_enable(c); + ret = clk_prepare_enable(c); if (ret != 0) { pr_err("Unable to enable clock for APB DMA\n"); goto fail; diff --git a/arch/arm/mach-tegra/pcie.c b/arch/arm/mach-tegra/pcie.c index 0e09137506ec..d3ad5150d660 100644 --- a/arch/arm/mach-tegra/pcie.c +++ b/arch/arm/mach-tegra/pcie.c @@ -723,9 +723,9 @@ static int tegra_pcie_power_regate(void) tegra_pcie_xclk_clamp(false); - clk_enable(tegra_pcie.afi_clk); - clk_enable(tegra_pcie.pex_clk); - return clk_enable(tegra_pcie.pll_e); + clk_prepare_enable(tegra_pcie.afi_clk); + clk_prepare_enable(tegra_pcie.pex_clk); + return clk_prepare_enable(tegra_pcie.pll_e); } static int tegra_pcie_clocks_get(void) diff --git a/arch/arm/mach-tegra/powergate.c b/arch/arm/mach-tegra/powergate.c index f5b12fb4ff12..15d506501ccc 100644 --- a/arch/arm/mach-tegra/powergate.c +++ b/arch/arm/mach-tegra/powergate.c @@ -146,7 +146,7 @@ int tegra_powergate_sequence_power_up(int id, struct clk *clk) if (ret) goto err_power; - ret = clk_enable(clk); + ret = clk_prepare_enable(clk); if (ret) goto err_clk; @@ -162,7 +162,7 @@ int tegra_powergate_sequence_power_up(int id, struct clk *clk) return 0; err_clamp: - clk_disable(clk); + clk_disable_unprepare(clk); err_clk: tegra_powergate_power_off(id); err_power: diff --git a/arch/arm/mach-tegra/timer.c b/arch/arm/mach-tegra/timer.c index 315672c7bd48..57b5bdc13b9b 100644 --- a/arch/arm/mach-tegra/timer.c +++ b/arch/arm/mach-tegra/timer.c @@ -189,7 +189,7 @@ static void __init tegra_init_timer(void) " Assuming 12Mhz input clock.\n"); rate = 12000000; } else { - clk_enable(clk); + clk_prepare_enable(clk); rate = clk_get_rate(clk); } @@ -201,7 +201,7 @@ static void __init tegra_init_timer(void) if (IS_ERR(clk)) pr_warn("Unable to get rtc-tegra clock\n"); else - clk_enable(clk); + clk_prepare_enable(clk); switch (rate) { case 12000000: diff --git a/arch/arm/mach-tegra/usb_phy.c b/arch/arm/mach-tegra/usb_phy.c index 54e353c8e304..022b33a05c3a 100644 --- a/arch/arm/mach-tegra/usb_phy.c +++ b/arch/arm/mach-tegra/usb_phy.c @@ -247,7 +247,7 @@ static void utmip_pad_power_on(struct tegra_usb_phy *phy) unsigned long val, flags; void __iomem *base = phy->pad_regs; - clk_enable(phy->pad_clk); + clk_prepare_enable(phy->pad_clk); spin_lock_irqsave(&utmip_pad_lock, flags); @@ -259,7 +259,7 @@ static void utmip_pad_power_on(struct tegra_usb_phy *phy) spin_unlock_irqrestore(&utmip_pad_lock, flags); - clk_disable(phy->pad_clk); + clk_disable_unprepare(phy->pad_clk); } static int utmip_pad_power_off(struct tegra_usb_phy *phy) @@ -272,7 +272,7 @@ static int utmip_pad_power_off(struct tegra_usb_phy *phy) return -EINVAL; } - clk_enable(phy->pad_clk); + clk_prepare_enable(phy->pad_clk); spin_lock_irqsave(&utmip_pad_lock, flags); @@ -284,7 +284,7 @@ static int utmip_pad_power_off(struct tegra_usb_phy *phy) spin_unlock_irqrestore(&utmip_pad_lock, flags); - clk_disable(phy->pad_clk); + clk_disable_unprepare(phy->pad_clk); return 0; } @@ -580,7 +580,7 @@ static int ulpi_phy_power_on(struct tegra_usb_phy *phy) msleep(5); gpio_direction_output(config->reset_gpio, 1); - clk_enable(phy->clk); + clk_prepare_enable(phy->clk); msleep(1); val = readl(base + USB_SUSP_CTRL); @@ -689,7 +689,7 @@ struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance, err = PTR_ERR(phy->pll_u); goto err0; } - clk_enable(phy->pll_u); + clk_prepare_enable(phy->pll_u); parent_rate = clk_get_rate(clk_get_parent(phy->pll_u)); for (i = 0; i < ARRAY_SIZE(tegra_freq_table); i++) { @@ -735,7 +735,7 @@ struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance, return phy; err1: - clk_disable(phy->pll_u); + clk_disable_unprepare(phy->pll_u); clk_put(phy->pll_u); err0: kfree(phy); @@ -810,7 +810,7 @@ void tegra_usb_phy_close(struct tegra_usb_phy *phy) clk_put(phy->clk); else utmip_pad_close(phy); - clk_disable(phy->pll_u); + clk_disable_unprepare(phy->pll_u); clk_put(phy->pll_u); kfree(phy); } -- 2.34.1