i2c-bfin-twi: Use struct dev_pm_ops for power management

Make the Blackfin On-Chip Two Wire Interface driver define its PM
callbacks through a struct dev_pm_ops object rather than by using
legacy PM hooks in struct platform_driver.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c
index cdb59e5b23f749aa81153eb6619269d4f248eb61..515822429b1987369215e4b081f0bcd2327e806a 100644 (file)
--- a/drivers/i2c/busses/i2c-bfin-twi.c
+++ b/drivers/i2c/busses/i2c-bfin-twi.c
@@ -611,9 +611,9 @@ static struct i2c_algorithm bfin_twi_algorithm = {
        .functionality = bfin_twi_functionality,
 };
 
-static int i2c_bfin_twi_suspend(struct platform_device *pdev, pm_message_t state)
+static int i2c_bfin_twi_suspend(struct device *dev)
 {
-       struct bfin_twi_iface *iface = platform_get_drvdata(pdev);
+       struct bfin_twi_iface *iface = dev_get_drvdata(dev);
 
        iface->saved_clkdiv = read_CLKDIV(iface);
        iface->saved_control = read_CONTROL(iface);
@@ -626,14 +626,14 @@ static int i2c_bfin_twi_suspend(struct platform_device *pdev, pm_message_t state
        return 0;
 }
 
-static int i2c_bfin_twi_resume(struct platform_device *pdev)
+static int i2c_bfin_twi_resume(struct device *dev)
 {
-       struct bfin_twi_iface *iface = platform_get_drvdata(pdev);
+       struct bfin_twi_iface *iface = dev_get_drvdata(dev);
 
        int rc = request_irq(iface->irq, bfin_twi_interrupt_entry,
-               0, pdev->name, iface);
+               0, to_platform_device(dev)->name, iface);
        if (rc) {
-               dev_err(&pdev->dev, "Can't get IRQ %d !\n", iface->irq);
+               dev_err(dev, "Can't get IRQ %d !\n", iface->irq);
                return -ENODEV;
        }
 
@@ -646,6 +646,9 @@ static int i2c_bfin_twi_resume(struct platform_device *pdev)
        return 0;
 }
 
+static SIMPLE_DEV_PM_OPS(i2c_bfin_twi_pm,
+                        i2c_bfin_twi_suspend, i2c_bfin_twi_resume);
+
 static int i2c_bfin_twi_probe(struct platform_device *pdev)
 {
        struct bfin_twi_iface *iface;
@@ -770,11 +773,10 @@ static int i2c_bfin_twi_remove(struct platform_device *pdev)
 static struct platform_driver i2c_bfin_twi_driver = {
        .probe          = i2c_bfin_twi_probe,
        .remove         = i2c_bfin_twi_remove,
-       .suspend        = i2c_bfin_twi_suspend,
-       .resume         = i2c_bfin_twi_resume,
        .driver         = {
                .name   = "i2c-bfin-twi",
                .owner  = THIS_MODULE,
+               .pm     = &i2c_bfin_twi_pm,
        },
 };