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 <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
diff --git a/arch/arm/mach-tegra/cpu-tegra.c b/arch/arm/mach-tegra/cpu-tegra.c
index 7a065f0..ceb52db 100644
--- a/arch/arm/mach-tegra/cpu-tegra.c
+++ b/arch/arm/mach-tegra/cpu-tegra.c
@@ -189,8 +189,8 @@
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_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 abea4f6..2698d7d 100644
--- a/arch/arm/mach-tegra/dma.c
+++ b/arch/arm/mach-tegra/dma.c
@@ -720,7 +720,7 @@
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 0e09137..d3ad515 100644
--- a/arch/arm/mach-tegra/pcie.c
+++ b/arch/arm/mach-tegra/pcie.c
@@ -723,9 +723,9 @@
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 f5b12fb..15d5065 100644
--- a/arch/arm/mach-tegra/powergate.c
+++ b/arch/arm/mach-tegra/powergate.c
@@ -146,7 +146,7 @@
if (ret)
goto err_power;
- ret = clk_enable(clk);
+ ret = clk_prepare_enable(clk);
if (ret)
goto err_clk;
@@ -162,7 +162,7 @@
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 315672c..57b5bdc 100644
--- a/arch/arm/mach-tegra/timer.c
+++ b/arch/arm/mach-tegra/timer.c
@@ -189,7 +189,7 @@
" Assuming 12Mhz input clock.\n");
rate = 12000000;
} else {
- clk_enable(clk);
+ clk_prepare_enable(clk);
rate = clk_get_rate(clk);
}
@@ -201,7 +201,7 @@
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 54e353c..022b33a 100644
--- a/arch/arm/mach-tegra/usb_phy.c
+++ b/arch/arm/mach-tegra/usb_phy.c
@@ -247,7 +247,7 @@
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 @@
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 @@
return -EINVAL;
}
- clk_enable(phy->pad_clk);
+ clk_prepare_enable(phy->pad_clk);
spin_lock_irqsave(&utmip_pad_lock, flags);
@@ -284,7 +284,7 @@
spin_unlock_irqrestore(&utmip_pad_lock, flags);
- clk_disable(phy->pad_clk);
+ clk_disable_unprepare(phy->pad_clk);
return 0;
}
@@ -580,7 +580,7 @@
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 @@
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 @@
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 @@
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);
}