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i2c-at91: Use struct dev_pm_ops for power management

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Make the AT91 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>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
This commit is contained in:
Rafael J. Wysocki
2012-07-11 21:22:47 +02:00
committed by Wolfram Sang
parent 02d8bf8dc6
commit f277d27cc4
1 changed files with 7 additions and 6 deletions
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13
drivers/i2c/busses/i2c-at91.c
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@@ -279,30 +279,31 @@ static int __devexit at91_i2c_remove(struct platform_device *pdev)
/* NOTE: could save a few mA by keeping clock off outside of at91_xfer... */ /* NOTE: could save a few mA by keeping clock off outside of at91_xfer... */
static int at91_i2c_suspend(struct platform_device *pdev, pm_message_t mesg) static int at91_i2c_suspend(struct device *dev)
{ {
clk_disable(twi_clk); clk_disable(twi_clk);
return 0; return 0;
} }
static int at91_i2c_resume(struct platform_device *pdev) static int at91_i2c_resume(struct device *dev)
{ {
return clk_enable(twi_clk); return clk_enable(twi_clk);
} }
static SIMPLE_DEV_PM_OPS(at91_i2c_pm, at91_i2c_suspend, at91_i2c_resume);
#define AT91_I2C_PM (&at91_i2c_pm)
#else #else
#define at91_i2c_suspend NULL #define AT91_I2C_PM NULL
#define at91_i2c_resume NULL
#endif #endif
static struct platform_driver at91_i2c_driver = { static struct platform_driver at91_i2c_driver = {
.probe = at91_i2c_probe, .probe = at91_i2c_probe,
.remove = __devexit_p(at91_i2c_remove), .remove = __devexit_p(at91_i2c_remove),
.suspend = at91_i2c_suspend,
.resume = at91_i2c_resume,
.driver = { .driver = {
.name = "at91_i2c", .name = "at91_i2c",
.owner = THIS_MODULE, .owner = THIS_MODULE,
.pm = AT91_I2C_PM,
}, },
}; };