b44: Unconditionally enable interrupt routing on reset

[platform/kernel/linux-starfive.git] / drivers / net / forcedeth.c

diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 5b910cf..b8251e8 100644 (file)
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -6011,9 +6011,20 @@ static void nv_shutdown(struct pci_dev *pdev)
        if (netif_running(dev))
                nv_close(dev);
 
-       nv_restore_mac_addr(pdev);
+       /*
+        * Restore the MAC so a kernel started by kexec won't get confused.
+        * If we really go for poweroff, we must not restore the MAC,
+        * otherwise the MAC for WOL will be reversed at least on some boards.
+        */
+       if (system_state != SYSTEM_POWER_OFF) {
+               nv_restore_mac_addr(pdev);
+       }
 
        pci_disable_device(pdev);
+       /*
+        * Apparently it is not possible to reinitialise from D3 hot,
+        * only put the device into D3 if we really go for poweroff.
+        */
        if (system_state == SYSTEM_POWER_OFF) {
                if (pci_enable_wake(pdev, PCI_D3cold, np->wolenabled))
                        pci_enable_wake(pdev, PCI_D3hot, np->wolenabled);