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Commit 7a91e382 authored by Pascal Huerst's avatar Pascal Huerst Committed by Greg Kroah-Hartman
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tty: serial: msm_serial: Add support for suspend/resume 



Without this, tx stops working after resume. By adding
these calls, everything seems to work fine.

Signed-off-by: default avatarPascal Huerst <pascal.huerst@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a406c4b8

drivers/tty/serial/msm_serial.c

+25 −0
Original line number Diff line number Diff line
@@ -1812,11 +1812,36 @@ static const struct of_device_id msm_match_table[] = { 
};

MODULE_DEVICE_TABLE(of, msm_match_table);



#ifdef CONFIG_PM_SLEEP

static int msm_serial_suspend(struct device *dev)

{

	struct msm_port *port = dev_get_drvdata(dev);



	uart_suspend_port(&msm_uart_driver, &port->uart);



	return 0;

}



static int msm_serial_resume(struct device *dev)

{

	struct msm_port *port = dev_get_drvdata(dev);



	uart_resume_port(&msm_uart_driver, &port->uart);



	return 0;

}

#endif /* CONFIG_PM_SLEEP */



static const struct dev_pm_ops msm_serial_dev_pm_ops = {

	SET_SYSTEM_SLEEP_PM_OPS(msm_serial_suspend, msm_serial_resume)

};



static struct platform_driver msm_platform_driver = {

	.remove = msm_serial_remove,

	.probe = msm_serial_probe,

	.driver = {

		.name = "msm_serial",

		.pm = &msm_serial_dev_pm_ops,

		.of_match_table = msm_match_table,

	},

};