diff options
| author |   Michael Chan <michael.chan@broadcom.com> | 2017-04-04 18:14:11 -0400 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-04-05 06:24:26 -0700 |
| commit | f65a2044a8c988adf16788c51c04ac10dbbdb494 (patch) | |
| tree | b2baa7461871fe547b6aa26fc4d2068bd55f58f1 /drivers | |
| parent | bnxt_en: Add ethtool set_wol method. (diff) | |
| download | linux-dev-f65a2044a8c988adf16788c51c04ac10dbbdb494.tar.xz linux-dev-f65a2044a8c988adf16788c51c04ac10dbbdb494.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index e432d0a92d52..4e77bbf7adf0 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -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, |