UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Rafael J. Wysocki 2012-07-11 21:23:31 +02:00 committed by Wolfram Sang
parent f277d27cc4
commit 85777ad264
1 changed files with 10 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/i2c/busses/i2c-bfin-twi.c
View File

@ -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,
},
};