Commit b736b89f authored by Leo Chen's avatar Leo Chen Committed by Russell King
Browse files

ARM: 5626/1: add suspend/resume functions to amba-pl011 serial driver 



Add suspend/resume functions to the AMBA pl011 serial driver.

Signed-off-by: default avatarLeo Chen <leochen@broadcom.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 8afe0b96

drivers/serial/amba-pl011.c

+26 −0
Original line number Diff line number Diff line
@@ -826,6 +826,28 @@ static int pl011_remove(struct amba_device *dev) 
	return 0;

}



#ifdef CONFIG_PM

static int pl011_suspend(struct amba_device *dev, pm_message_t state)

{

	struct uart_amba_port *uap = amba_get_drvdata(dev);



	if (!uap)

		return -EINVAL;



	return uart_suspend_port(&amba_reg, &uap->port);

}



static int pl011_resume(struct amba_device *dev)

{

	struct uart_amba_port *uap = amba_get_drvdata(dev);



	if (!uap)

		return -EINVAL;



	return uart_resume_port(&amba_reg, &uap->port);

}

#endif



static struct amba_id pl011_ids[] __initdata = {

	{

		.id	= 0x00041011,
@@ -847,6 +869,10 @@ static struct amba_driver pl011_driver = { 
	.id_table	= pl011_ids,

	.probe		= pl011_probe,

	.remove		= pl011_remove,

#ifdef CONFIG_PM

	.suspend	= pl011_suspend,

	.resume		= pl011_resume,

#endif

};



static int __init pl011_init(void)