From: Yunsheng Lin <linyunsheng@huawei.com>
Date: Mon, 3 Sep 2018 11:21:49 +0100
Subject: net: hns3: Implement shutdown ops in hns3 pci driver
Patch-mainline: v4.20-rc1
Git-commit: ce2c1d2ea67adf2742d4d3ef58f8d668b3a6b85f
References: bsc#1104353 FATE#326415
This patch implements shutdown ops in hns3 pci driver, which
unloads the hns3 driver and set the power state to D3hot.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -1662,11 +1662,24 @@ static int hns3_pci_sriov_configure(stru
return 0;
}
+static void hns3_shutdown(struct pci_dev *pdev)
+{
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(pdev);
+
+ hnae3_unregister_ae_dev(ae_dev);
+ devm_kfree(&pdev->dev, ae_dev);
+ pci_set_drvdata(pdev, NULL);
+
+ if (system_state == SYSTEM_POWER_OFF)
+ pci_set_power_state(pdev, PCI_D3hot);
+}
+
static struct pci_driver hns3_driver = {
.name = hns3_driver_name,
.id_table = hns3_pci_tbl,
.probe = hns3_probe,
.remove = hns3_remove,
+ .shutdown = hns3_shutdown,
.sriov_configure = hns3_pci_sriov_configure,
};