Revert "r8169: disable ASPM during NAPI poll"

This reverts commit e1ed3e4.

Turned out the change causes a performance regression.

Link: https://lore.kernel.org/netdev/20230713124914.GA12924@green245/T/
Cc: stable@vger.kernel.org
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/055c6bc2-74fa-8c67-9897-3f658abb5ae7@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Author: hkallweit

drivers/net/ethernet/realtek/r8169_main.c

@@ -4523,10 +4523,6 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
 	}
 
 	if (napi_schedule_prep(&tp->napi)) {
-		rtl_unlock_config_regs(tp);
-		rtl_hw_aspm_clkreq_enable(tp, false);
-		rtl_lock_config_regs(tp);
-
 		rtl_irq_disable(tp);
 		__napi_schedule(&tp->napi);
 	}
@@ -4586,14 +4582,9 @@ static int rtl8169_poll(struct napi_struct *napi, int budget)
 
 	work_done = rtl_rx(dev, tp, budget);
 
-	if (work_done < budget && napi_complete_done(napi, work_done)) {
+	if (work_done < budget && napi_complete_done(napi, work_done))
 		rtl_irq_enable(tp);
 
-		rtl_unlock_config_regs(tp);
-		rtl_hw_aspm_clkreq_enable(tp, true);
-		rtl_lock_config_regs(tp);
-	}
-
 	return work_done;
 }