ARM: mxs: convert platform code to clk_prepare/clk_unprepare

The patch converts mxs platform code to clk_prepare/clk_unprepare
by using helper functions clk_prepare_enable/clk_disable_unprepare.

Signed-off-by: Richard Zhao <richard.zhao@linaro.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c
index 0163b6d..e12e112 100644 (file)
--- a/arch/arm/mach-mxs/clock-mx23.c
+++ b/arch/arm/mach-mxs/clock-mx23.c
@@ -545,11 +545,11 @@ int __init mx23_clocks_init(void)
         */
        clk_set_parent(&ssp_clk, &ref_io_clk);
 
-       clk_enable(&cpu_clk);
-       clk_enable(&hbus_clk);
-       clk_enable(&xbus_clk);
-       clk_enable(&emi_clk);
-       clk_enable(&uart_clk);
+       clk_prepare_enable(&cpu_clk);
+       clk_prepare_enable(&hbus_clk);
+       clk_prepare_enable(&xbus_clk);
+       clk_prepare_enable(&emi_clk);
+       clk_prepare_enable(&uart_clk);
 
        clkdev_add_table(lookups, ARRAY_SIZE(lookups));
 

diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c
index da6e4aa..f85f1f5 100644 (file)
--- a/arch/arm/mach-mxs/clock-mx28.c
+++ b/arch/arm/mach-mxs/clock-mx28.c
@@ -775,11 +775,11 @@ int __init mx28_clocks_init(void)
        clk_set_parent(&ssp0_clk, &ref_io0_clk);
        clk_set_parent(&ssp1_clk, &ref_io0_clk);
 
-       clk_enable(&cpu_clk);
-       clk_enable(&hbus_clk);
-       clk_enable(&xbus_clk);
-       clk_enable(&emi_clk);
-       clk_enable(&uart_clk);
+       clk_prepare_enable(&cpu_clk);
+       clk_prepare_enable(&hbus_clk);
+       clk_prepare_enable(&xbus_clk);
+       clk_prepare_enable(&emi_clk);
+       clk_prepare_enable(&uart_clk);
 
        clk_set_parent(&lcdif_clk, &ref_pix_clk);
        clk_set_parent(&saif0_clk, &pll0_clk);

diff --git a/arch/arm/mach-mxs/clock.c b/arch/arm/mach-mxs/clock.c
index a7093c8..755eec0 100644 (file)
--- a/arch/arm/mach-mxs/clock.c
+++ b/arch/arm/mach-mxs/clock.c
@@ -166,7 +166,7 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
                return ret;
 
        if (clk->usecount)
-               clk_enable(parent);
+               clk_prepare_enable(parent);
 
        mutex_lock(&clocks_mutex);
        ret = clk->set_parent(clk, parent);

diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index 064ec5a..6b9e83e 100644 (file)
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -228,7 +228,7 @@ static void __init mx28evk_fec_reset(void)
        /* Enable fec phy clock */
        clk = clk_get_sys("pll2", NULL);
        if (!IS_ERR(clk))
-               clk_enable(clk);
+               clk_prepare_enable(clk);
 
        /* Power up fec phy */
        ret = gpio_request(MX28EVK_FEC_PHY_POWER, "fec-phy-power");

diff --git a/arch/arm/mach-mxs/system.c b/arch/arm/mach-mxs/system.c
index 20ec3bd..9760a12 100644 (file)
--- a/arch/arm/mach-mxs/system.c
+++ b/arch/arm/mach-mxs/system.c
@@ -66,7 +66,7 @@ static int __init mxs_arch_reset_init(void)
 
        clk = clk_get_sys("rtc", NULL);
        if (!IS_ERR(clk))
-               clk_enable(clk);
+               clk_prepare_enable(clk);
 
        return 0;
 }

diff --git a/arch/arm/mach-mxs/timer.c b/arch/arm/mach-mxs/timer.c
index cace0d2..564a632 100644 (file)
--- a/arch/arm/mach-mxs/timer.c
+++ b/arch/arm/mach-mxs/timer.c
@@ -245,7 +245,7 @@ static int __init mxs_clocksource_init(struct clk *timer_clk)
 
 void __init mxs_timer_init(struct clk *timer_clk, int irq)
 {
-       clk_enable(timer_clk);
+       clk_prepare_enable(timer_clk);
 
        /*
         * Initialize timers to a known state