[SRU][L][PATCH 3/4] Revert "r8169: disable ASPM during NAPI poll"

[Juerg Haefliger]

From: Heiner Kallweit <hkallweit1 at gmail.com>

This reverts commit e1ed3e4d91112027b90c7ee61479141b3f948e6a.

Turned out the change causes a performance regression.

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

BugLink: https://bugs.launchpad.net/bugs/2031537
(cherry picked from commit e31a9fedc7d8d80722b19628e66fcb5a36981780)
Signed-off-by: Juerg Haefliger <juerg.haefliger at canonical.com>
---
 drivers/net/ethernet/realtek/r8169_main.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 9e4092187e73..caeb01d07b36 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -4584,10 +4584,6 @@ 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);
 	}
@@ -4626,14 +4622,9 @@ 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;
 }
 
-- 
2.39.2