From 49ef7d846d4bd77b0b9f1f801fc765b004690a07 Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Mon, 6 Mar 2023 22:25:49 +0100 Subject: [PATCH] r8169: prepare rtl_hw_aspm_clkreq_enable for usage in atomic context MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Bail out if the function is used with chip versions that don't support ASPM configuration. In addition remove the delay, it tuned out that it's not needed, also vendor driver r8125 doesn't have it. Suggested-by: Kai-Heng Feng Reviewed-by: Simon Horman Tested-by: Kai-Heng Feng Tested-by: Holger Hoffstätte Signed-off-by: Heiner Kallweit Signed-off-by: David S. Miller --- drivers/net/ethernet/realtek/r8169_main.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 61cbf49..96af31a 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -2741,6 +2741,9 @@ static void rtl_disable_exit_l1(struct rtl8169_private *tp) static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable) { + if (tp->mac_version < RTL_GIGA_MAC_VER_32) + return; + /* Don't enable ASPM in the chip if OS can't control ASPM */ if (enable && tp->aspm_manageable) { rtl_mod_config5(tp, 0, ASPM_en); @@ -2770,8 +2773,6 @@ static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable) rtl_mod_config2(tp, ClkReqEn, 0); rtl_mod_config5(tp, ASPM_en, 0); } - - udelay(10); } static void rtl_set_fifo_size(struct rtl8169_private *tp, u16 rx_stat, -- 2.7.4