diff options
| author | Andy Chiu <andy.chiu@sifive.com> | 2022-11-01 09:11:39 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-11-07 08:45:07 +0000 |
| commit | a3de357b087e50e2b2465346f5f67ac7aa4f6b93 (patch) | |
| tree | 6e10cc759302493d2bade4b9a09f636fd9c971de /drivers/net/ethernet/xilinx/xilinx_axienet_main.c | |
| parent | d08cb25556773c65efb21761b75f92c804ad0975 (diff) | |
net: axiemac: add PM callbacks to support suspend/resume
Support basic system-wide suspend and resume functions
Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/xilinx/xilinx_axienet_main.c')
| -rw-r--r-- | drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 441e1058104f..d082f2b10f4d 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -2217,12 +2217,48 @@ static void axienet_shutdown(struct platform_device *pdev) rtnl_unlock(); } +static int axienet_suspend(struct device *dev) +{ + struct net_device *ndev = dev_get_drvdata(dev); + + if (!netif_running(ndev)) + return 0; + + netif_device_detach(ndev); + + rtnl_lock(); + axienet_stop(ndev); + rtnl_unlock(); + + return 0; +} + +static int axienet_resume(struct device *dev) +{ + struct net_device *ndev = dev_get_drvdata(dev); + + if (!netif_running(ndev)) + return 0; + + rtnl_lock(); + axienet_open(ndev); + rtnl_unlock(); + + netif_device_attach(ndev); + + return 0; +} + +static DEFINE_SIMPLE_DEV_PM_OPS(axienet_pm_ops, + axienet_suspend, axienet_resume); + static struct platform_driver axienet_driver = { .probe = axienet_probe, .remove = axienet_remove, .shutdown = axienet_shutdown, .driver = { .name = "xilinx_axienet", + .pm = &axienet_pm_ops, .of_match_table = axienet_of_match, }, }; |