Commit 8d044fe6 authored by Ranjith Lohithakshan's avatar Ranjith Lohithakshan Committed by David S. Miller
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TI DaVinci EMAC: Add suspend/resume capability 



Add suspend/resume capability to TI DaVinci EMAC driver.

Signed-off-by: default avatarRanjith Lohithakshan <ranjithl@ti.com>
Signed-off-by: default avatarChaithrika U S <chaithrika@ti.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9f9354b9

drivers/net/davinci_emac.c

+27 −3
Original line number Diff line number Diff line
@@ -2806,11 +2806,33 @@ static int __devexit davinci_emac_remove(struct platform_device *pdev) 
	return 0;

}



static

int davinci_emac_suspend(struct platform_device *pdev, pm_message_t state)

{

	struct net_device *dev = platform_get_drvdata(pdev);



	if (netif_running(dev))

		emac_dev_stop(dev);



	clk_disable(emac_clk);



	return 0;

}



static int davinci_emac_resume(struct platform_device *pdev)

{

	struct net_device *dev = platform_get_drvdata(pdev);



	clk_enable(emac_clk);



	if (netif_running(dev))

		emac_dev_open(dev);



	return 0;

}



/**

 * davinci_emac_driver: EMAC platform driver structure

 *

 * We implement only probe and remove functions - suspend/resume and

 * others not supported by this module

 */

static struct platform_driver davinci_emac_driver = {

	.driver = {
@@ -2819,6 +2841,8 @@ static struct platform_driver davinci_emac_driver = { 
	},

	.probe = davinci_emac_probe,

	.remove = __devexit_p(davinci_emac_remove),

	.suspend = davinci_emac_suspend,

	.resume = davinci_emac_resume,

};



/**