mtd: spear_smi: Add clk_{un}prepare() support

clk_{un}prepare is mandatory for platforms using common clock framework. Since
this driver is used by SPEAr platform, which supports common clock framework,
add clk_{un}prepare() support for it.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/drivers/mtd/devices/spear_smi.c b/drivers/mtd/devices/spear_smi.c
index 797d43c..6796036 100644 (file)
--- a/drivers/mtd/devices/spear_smi.c
+++ b/drivers/mtd/devices/spear_smi.c
@@ -990,9 +990,9 @@ static int __devinit spear_smi_probe(struct platform_device *pdev)
                goto err_clk;
        }
 
-       ret = clk_enable(dev->clk);
+       ret = clk_prepare_enable(dev->clk);
        if (ret)
-               goto err_clk_enable;
+               goto err_clk_prepare_enable;
 
        ret = request_irq(irq, spear_smi_int_handler, 0, pdev->name, dev);
        if (ret) {
@@ -1020,8 +1020,8 @@ err_bank_setup:
        free_irq(irq, dev);
        platform_set_drvdata(pdev, NULL);
 err_irq:
-       clk_disable(dev->clk);
-err_clk_enable:
+       clk_disable_unprepare(dev->clk);
+err_clk_prepare_enable:
        clk_put(dev->clk);
 err_clk:
        iounmap(dev->io_base);
@@ -1074,7 +1074,7 @@ static int __devexit spear_smi_remove(struct platform_device *pdev)
        irq = platform_get_irq(pdev, 0);
        free_irq(irq, dev);
 
-       clk_disable(dev->clk);
+       clk_disable_unprepare(dev->clk);
        clk_put(dev->clk);
        iounmap(dev->io_base);
        kfree(dev);
@@ -1091,7 +1091,7 @@ int spear_smi_suspend(struct platform_device *pdev, pm_message_t state)
        struct spear_smi *dev = platform_get_drvdata(pdev);
 
        if (dev && dev->clk)
-               clk_disable(dev->clk);
+               clk_disable_unprepare(dev->clk);
 
        return 0;
 }
@@ -1102,7 +1102,7 @@ int spear_smi_resume(struct platform_device *pdev)
        int ret = -EPERM;
 
        if (dev && dev->clk)
-               ret = clk_enable(dev->clk);
+               ret = clk_prepare_enable(dev->clk);
 
        if (!ret)
                spear_smi_hw_init(dev);