Revert "tg3: Remove residual error handling in tg3_suspend"
authorPaolo Abeni <pabeni@redhat.com>
Thu, 4 Apr 2024 08:51:01 +0000 (10:51 +0200)
committerPaolo Abeni <pabeni@redhat.com>
Thu, 4 Apr 2024 08:51:01 +0000 (10:51 +0200)
This reverts commit 9ab4ad295622a3481818856762471c1f8c830e18.

I went out of coffee and applied it to the wrong tree. Blame on me.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
drivers/net/ethernet/broadcom/tg3.c

index e6ff3c9bd7e5007de2f5df880a033d500525841e..62ff4381ac83cfd6a27a3763603f6ce8392043c6 100644 (file)
@@ -4019,7 +4019,7 @@ static int tg3_power_up(struct tg3 *tp)
 
 static int tg3_setup_phy(struct tg3 *, bool);
 
-static void tg3_power_down_prepare(struct tg3 *tp)
+static int tg3_power_down_prepare(struct tg3 *tp)
 {
        u32 misc_host_ctrl;
        bool device_should_wake, do_low_power;
@@ -4263,7 +4263,7 @@ static void tg3_power_down_prepare(struct tg3 *tp)
 
        tg3_ape_driver_state_change(tp, RESET_KIND_SHUTDOWN);
 
-       return;
+       return 0;
 }
 
 static void tg3_power_down(struct tg3 *tp)
@@ -18084,6 +18084,7 @@ static int tg3_suspend(struct device *device)
 {
        struct net_device *dev = dev_get_drvdata(device);
        struct tg3 *tp = netdev_priv(dev);
+       int err = 0;
 
        rtnl_lock();
 
@@ -18107,11 +18108,32 @@ static int tg3_suspend(struct device *device)
        tg3_flag_clear(tp, INIT_COMPLETE);
        tg3_full_unlock(tp);
 
-       tg3_power_down_prepare(tp);
+       err = tg3_power_down_prepare(tp);
+       if (err) {
+               int err2;
+
+               tg3_full_lock(tp, 0);
+
+               tg3_flag_set(tp, INIT_COMPLETE);
+               err2 = tg3_restart_hw(tp, true);
+               if (err2)
+                       goto out;
+
+               tg3_timer_start(tp);
+
+               netif_device_attach(dev);
+               tg3_netif_start(tp);
+
+out:
+               tg3_full_unlock(tp);
+
+               if (!err2)
+                       tg3_phy_start(tp);
+       }
 
 unlock:
        rtnl_unlock();
-       return 0;
+       return err;
 }
 
 static int tg3_resume(struct device *device)