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Commit f65a2044 authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

bnxt_en: Add suspend/resume callbacks. 



Add suspend/resume callbacks using the newer dev_pm_ops method.

Signed-off-by: default avatarMichael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5282db6c

drivers/net/ethernet/broadcom/bnxt/bnxt.c

+57 −0
Original line number Diff line number Diff line
@@ -7703,6 +7703,62 @@ static void bnxt_shutdown(struct pci_dev *pdev) 
	rtnl_unlock();

}



#ifdef CONFIG_PM_SLEEP

static int bnxt_suspend(struct device *device)

{

	struct pci_dev *pdev = to_pci_dev(device);

	struct net_device *dev = pci_get_drvdata(pdev);

	struct bnxt *bp = netdev_priv(dev);

	int rc = 0;



	rtnl_lock();

	if (netif_running(dev)) {

		netif_device_detach(dev);

		rc = bnxt_close(dev);

	}

	bnxt_hwrm_func_drv_unrgtr(bp);

	rtnl_unlock();

	return rc;

}



static int bnxt_resume(struct device *device)

{

	struct pci_dev *pdev = to_pci_dev(device);

	struct net_device *dev = pci_get_drvdata(pdev);

	struct bnxt *bp = netdev_priv(dev);

	int rc = 0;



	rtnl_lock();

	if (bnxt_hwrm_ver_get(bp) || bnxt_hwrm_func_drv_rgtr(bp)) {

		rc = -ENODEV;

		goto resume_exit;

	}

	rc = bnxt_hwrm_func_reset(bp);

	if (rc) {

		rc = -EBUSY;

		goto resume_exit;

	}

	bnxt_get_wol_settings(bp);

	if (netif_running(dev)) {

		rc = bnxt_open(dev);

		if (!rc)

			netif_device_attach(dev);

	}



resume_exit:

	rtnl_unlock();

	return rc;

}



static SIMPLE_DEV_PM_OPS(bnxt_pm_ops, bnxt_suspend, bnxt_resume);

#define BNXT_PM_OPS (&bnxt_pm_ops)



#else



#define BNXT_PM_OPS NULL



#endif /* CONFIG_PM_SLEEP */



/**

 * bnxt_io_error_detected - called when PCI error is detected

 * @pdev: Pointer to PCI device
@@ -7820,6 +7876,7 @@ static struct pci_driver bnxt_pci_driver = { 
	.probe		= bnxt_init_one,

	.remove		= bnxt_remove_one,

	.shutdown	= bnxt_shutdown,

	.driver.pm	= BNXT_PM_OPS,

	.err_handler	= &bnxt_err_handler,

#if defined(CONFIG_BNXT_SRIOV)

	.sriov_configure = bnxt_sriov_configure,