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mtd: spear_smi: Move suspend/resume to follow dev_pm_ops 

Use dev_pm_ops to support PM specific callbacks.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Viresh Kumar 2012-07-02 11:28:45 +05:30 committed by David Woodhouse
parent 70f7cb78ec
commit 770daa4337
1 changed files with 17 additions and 11 deletions
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28
drivers/mtd/devices/spear_smi.c
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@ -26,6 +26,7 @@
#include <linux/module.h> #include <linux/module.h>
#include <linux/param.h> #include <linux/param.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/pm.h>
#include <linux/mtd/mtd.h> #include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h> #include <linux/mtd/partitions.h>
#include <linux/mtd/spear_smi.h> #include <linux/mtd/spear_smi.h>
@ -1086,29 +1087,33 @@ static int __devexit spear_smi_remove(struct platform_device *pdev)
return 0; return 0;
} }
int spear_smi_suspend(struct platform_device *pdev, pm_message_t state) #ifdef CONFIG_PM
static int spear_smi_suspend(struct device *dev)
{ {
struct spear_smi *dev = platform_get_drvdata(pdev); struct spear_smi *sdev = dev_get_drvdata(dev);
if (dev && dev->clk) if (sdev && sdev->clk)
clk_disable_unprepare(dev->clk); clk_disable_unprepare(sdev->clk);
return 0; return 0;
} }
int spear_smi_resume(struct platform_device *pdev) static int spear_smi_resume(struct device *dev)
{ {
struct spear_smi *dev = platform_get_drvdata(pdev); struct spear_smi *sdev = dev_get_drvdata(dev);
int ret = -EPERM; int ret = -EPERM;
if (dev && dev->clk) if (sdev && sdev->clk)
ret = clk_prepare_enable(dev->clk); ret = clk_prepare_enable(sdev->clk);
if (!ret) if (!ret)
spear_smi_hw_init(dev); spear_smi_hw_init(sdev);
return ret; return ret;
} }
static SIMPLE_DEV_PM_OPS(spear_smi_pm_ops, spear_smi_suspend, spear_smi_resume);
#endif
#ifdef CONFIG_OF #ifdef CONFIG_OF
static const struct of_device_id spear_smi_id_table[] = { static const struct of_device_id spear_smi_id_table[] = {
{ .compatible = "st,spear600-smi" }, { .compatible = "st,spear600-smi" },
@ -1123,11 +1128,12 @@ static struct platform_driver spear_smi_driver = {
.bus = &platform_bus_type, .bus = &platform_bus_type,
.owner = THIS_MODULE, .owner = THIS_MODULE,
.of_match_table = of_match_ptr(spear_smi_id_table), .of_match_table = of_match_ptr(spear_smi_id_table),
#ifdef CONFIG_PM
.pm = &spear_smi_pm_ops,
#endif
}, },
.probe = spear_smi_probe, .probe = spear_smi_probe,
.remove = __devexit_p(spear_smi_remove), .remove = __devexit_p(spear_smi_remove),
.suspend = spear_smi_suspend,
.resume = spear_smi_resume,
}; };
static int spear_smi_init(void) static int spear_smi_init(void)