net: hibmcge: support pci_driver.shutdown()

support pci_driver.shutdown() for hibmcge driver.

Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Link: https://patch.msgid.link/20251014134018.1178385-1-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_main.c b/drivers/net/ethernet/hisilicon/hibmcge/hbg_main.c
index 0b92a2e5e98694635d1f27da0ffbaa1df038c9a4..068da2fd1fea839941c916d931ff9a60be3a066a 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hibmcge/hbg_main.c
+++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_main.c
@@ -472,6 +472,22 @@ static int hbg_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        return 0;
 }
 
+static void hbg_shutdown(struct pci_dev *pdev)
+{
+       struct net_device *netdev = pci_get_drvdata(pdev);
+
+       rtnl_lock();
+       if (netif_running(netdev))
+               dev_close(netdev);
+       rtnl_unlock();
+
+       pci_disable_device(pdev);
+       pci_set_drvdata(pdev, NULL);
+
+       if (system_state == SYSTEM_POWER_OFF)
+               pci_set_power_state(pdev, PCI_D3hot);
+}
+
 static const struct pci_device_id hbg_pci_tbl[] = {
        {PCI_VDEVICE(HUAWEI, 0x3730), 0},
        { }
@@ -482,6 +498,7 @@ static struct pci_driver hbg_driver = {
        .name           = "hibmcge",
        .id_table       = hbg_pci_tbl,
        .probe          = hbg_probe,
+       .shutdown       = hbg_shutdown,
 };
 
 static int __init hbg_module_init(void)