mfd: Convert WM831x SPI to use dev_pm_ops

There is a move to deprecate bus-specific PM operations and move to
using dev_pm_ops instead in order to reduce the amount of boilerplate
code in buses and facilitiate updates to the PM core. Do this move for
the WM831x SPI driver.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

diff --git a/drivers/mfd/wm831x-spi.c b/drivers/mfd/wm831x-spi.c
index 0a8f772..eed8e4f 100644 (file)
--- a/drivers/mfd/wm831x-spi.c
+++ b/drivers/mfd/wm831x-spi.c
@@ -14,6 +14,7 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/pm.h>
 #include <linux/spi/spi.h>
 
 #include <linux/mfd/wm831x/core.h>
@@ -113,22 +114,27 @@ static int __devexit wm831x_spi_remove(struct spi_device *spi)
        return 0;
 }
 
-static int wm831x_spi_suspend(struct spi_device *spi, pm_message_t m)
+static int wm831x_spi_suspend(struct device *dev)
 {
-       struct wm831x *wm831x = dev_get_drvdata(&spi->dev);
+       struct wm831x *wm831x = dev_get_drvdata(dev);
 
        return wm831x_device_suspend(wm831x);
 }
 
+static const struct dev_pm_ops wm831x_spi_pm = {
+       .freeze = wm831x_spi_suspend,
+       .suspend = wm831x_spi_suspend,
+};
+
 static struct spi_driver wm8310_spi_driver = {
        .driver = {
                .name   = "wm8310",
                .bus    = &spi_bus_type,
                .owner  = THIS_MODULE,
+               .pm     = &wm831x_spi_pm,
        },
        .probe          = wm831x_spi_probe,
        .remove         = __devexit_p(wm831x_spi_remove),
-       .suspend        = wm831x_spi_suspend,
 };
 
 static struct spi_driver wm8311_spi_driver = {
@@ -136,10 +142,10 @@ static struct spi_driver wm8311_spi_driver = {
                .name   = "wm8311",
                .bus    = &spi_bus_type,
                .owner  = THIS_MODULE,
+               .pm     = &wm831x_spi_pm,
        },
        .probe          = wm831x_spi_probe,
        .remove         = __devexit_p(wm831x_spi_remove),
-       .suspend        = wm831x_spi_suspend,
 };
 
 static struct spi_driver wm8312_spi_driver = {
@@ -147,10 +153,10 @@ static struct spi_driver wm8312_spi_driver = {
                .name   = "wm8312",
                .bus    = &spi_bus_type,
                .owner  = THIS_MODULE,
+               .pm     = &wm831x_spi_pm,
        },
        .probe          = wm831x_spi_probe,
        .remove         = __devexit_p(wm831x_spi_remove),
-       .suspend        = wm831x_spi_suspend,
 };
 
 static struct spi_driver wm8320_spi_driver = {
@@ -158,10 +164,10 @@ static struct spi_driver wm8320_spi_driver = {
                .name   = "wm8320",
                .bus    = &spi_bus_type,
                .owner  = THIS_MODULE,
+               .pm     = &wm831x_spi_pm,
        },
        .probe          = wm831x_spi_probe,
        .remove         = __devexit_p(wm831x_spi_remove),
-       .suspend        = wm831x_spi_suspend,
 };
 
 static struct spi_driver wm8321_spi_driver = {
@@ -169,10 +175,10 @@ static struct spi_driver wm8321_spi_driver = {
                .name   = "wm8321",
                .bus    = &spi_bus_type,
                .owner  = THIS_MODULE,
+               .pm     = &wm831x_spi_pm,
        },
        .probe          = wm831x_spi_probe,
        .remove         = __devexit_p(wm831x_spi_remove),
-       .suspend        = wm831x_spi_suspend,
 };
 
 static struct spi_driver wm8325_spi_driver = {
@@ -180,10 +186,10 @@ static struct spi_driver wm8325_spi_driver = {
                .name   = "wm8325",
                .bus    = &spi_bus_type,
                .owner  = THIS_MODULE,
+               .pm     = &wm831x_spi_pm,
        },
        .probe          = wm831x_spi_probe,
        .remove         = __devexit_p(wm831x_spi_remove),
-       .suspend        = wm831x_spi_suspend,
 };
 
 static struct spi_driver wm8326_spi_driver = {
@@ -191,10 +197,10 @@ static struct spi_driver wm8326_spi_driver = {
                .name   = "wm8326",
                .bus    = &spi_bus_type,
                .owner  = THIS_MODULE,
+               .pm     = &wm831x_spi_pm,
        },
        .probe          = wm831x_spi_probe,
        .remove         = __devexit_p(wm831x_spi_remove),
-       .suspend        = wm831x_spi_suspend,
 };
 
 static int __init wm831x_spi_init(void)