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bnxt_en: Add suspend/resume callbacks. 

Add suspend/resume callbacks using the newer dev_pm_ops method.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Michael Chan 2017-04-04 18:14:11 -04:00 committed by David S. Miller
parent 5282db6c79
commit f65a2044a8
1 changed files with 57 additions and 0 deletions
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57
drivers/net/ethernet/broadcom/bnxt/bnxt.c
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@ -7703,6 +7703,62 @@ shutdown_exit:
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,