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* [PATCH net] r8169: fix issue with confused RX unit after PHY power-down on RTL8411b
@ 2019-07-13 11:45 Heiner Kallweit
  2019-07-14  2:28 ` David Miller
  0 siblings, 1 reply; 3+ messages in thread
From: Heiner Kallweit @ 2019-07-13 11:45 UTC (permalink / raw)
  To: Realtek linux nic maintainers, David Miller; +Cc: netdev, Ionut Radu

On RTL8411b the RX unit gets confused if the PHY is powered-down.
This was reported in [0] and confirmed by Realtek. Realtek provided
a sequence to fix the RX unit after PHY wakeup.

The issue itself seems to have been there longer, the Fixes tag
refers to where the fix applies properly.

[0] https://bugzilla.redhat.com/show_bug.cgi?id=1692075

Fixes: a99790bf5c7f ("r8169: Reinstate ASPM Support")
Tested-by: Ionut Radu <ionut.radu@gmail.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
This patch doesn't apply on versions up to 5.2 due to the renaming
of r8169.c to r8169_main.c. I will provide a separate patch for these
versions.
---
 drivers/net/ethernet/realtek/r8169_main.c | 137 ++++++++++++++++++++++
 1 file changed, 137 insertions(+)

diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index efef5453b..0637c6752 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -4667,6 +4667,143 @@ static void rtl_hw_start_8411_2(struct rtl8169_private *tp)
 	/* disable aspm and clock request before access ephy */
 	rtl_hw_aspm_clkreq_enable(tp, false);
 	rtl_ephy_init(tp, e_info_8411_2);
+
+	/* The following Realtek-provided magic fixes an issue with the RX unit
+	 * getting confused after the PHY having been powered-down.
+	 */
+	r8168_mac_ocp_write(tp, 0xFC28, 0x0000);
+	r8168_mac_ocp_write(tp, 0xFC2A, 0x0000);
+	r8168_mac_ocp_write(tp, 0xFC2C, 0x0000);
+	r8168_mac_ocp_write(tp, 0xFC2E, 0x0000);
+	r8168_mac_ocp_write(tp, 0xFC30, 0x0000);
+	r8168_mac_ocp_write(tp, 0xFC32, 0x0000);
+	r8168_mac_ocp_write(tp, 0xFC34, 0x0000);
+	r8168_mac_ocp_write(tp, 0xFC36, 0x0000);
+	mdelay(3);
+	r8168_mac_ocp_write(tp, 0xFC26, 0x0000);
+
+	r8168_mac_ocp_write(tp, 0xF800, 0xE008);
+	r8168_mac_ocp_write(tp, 0xF802, 0xE00A);
+	r8168_mac_ocp_write(tp, 0xF804, 0xE00C);
+	r8168_mac_ocp_write(tp, 0xF806, 0xE00E);
+	r8168_mac_ocp_write(tp, 0xF808, 0xE027);
+	r8168_mac_ocp_write(tp, 0xF80A, 0xE04F);
+	r8168_mac_ocp_write(tp, 0xF80C, 0xE05E);
+	r8168_mac_ocp_write(tp, 0xF80E, 0xE065);
+	r8168_mac_ocp_write(tp, 0xF810, 0xC602);
+	r8168_mac_ocp_write(tp, 0xF812, 0xBE00);
+	r8168_mac_ocp_write(tp, 0xF814, 0x0000);
+	r8168_mac_ocp_write(tp, 0xF816, 0xC502);
+	r8168_mac_ocp_write(tp, 0xF818, 0xBD00);
+	r8168_mac_ocp_write(tp, 0xF81A, 0x074C);
+	r8168_mac_ocp_write(tp, 0xF81C, 0xC302);
+	r8168_mac_ocp_write(tp, 0xF81E, 0xBB00);
+	r8168_mac_ocp_write(tp, 0xF820, 0x080A);
+	r8168_mac_ocp_write(tp, 0xF822, 0x6420);
+	r8168_mac_ocp_write(tp, 0xF824, 0x48C2);
+	r8168_mac_ocp_write(tp, 0xF826, 0x8C20);
+	r8168_mac_ocp_write(tp, 0xF828, 0xC516);
+	r8168_mac_ocp_write(tp, 0xF82A, 0x64A4);
+	r8168_mac_ocp_write(tp, 0xF82C, 0x49C0);
+	r8168_mac_ocp_write(tp, 0xF82E, 0xF009);
+	r8168_mac_ocp_write(tp, 0xF830, 0x74A2);
+	r8168_mac_ocp_write(tp, 0xF832, 0x8CA5);
+	r8168_mac_ocp_write(tp, 0xF834, 0x74A0);
+	r8168_mac_ocp_write(tp, 0xF836, 0xC50E);
+	r8168_mac_ocp_write(tp, 0xF838, 0x9CA2);
+	r8168_mac_ocp_write(tp, 0xF83A, 0x1C11);
+	r8168_mac_ocp_write(tp, 0xF83C, 0x9CA0);
+	r8168_mac_ocp_write(tp, 0xF83E, 0xE006);
+	r8168_mac_ocp_write(tp, 0xF840, 0x74F8);
+	r8168_mac_ocp_write(tp, 0xF842, 0x48C4);
+	r8168_mac_ocp_write(tp, 0xF844, 0x8CF8);
+	r8168_mac_ocp_write(tp, 0xF846, 0xC404);
+	r8168_mac_ocp_write(tp, 0xF848, 0xBC00);
+	r8168_mac_ocp_write(tp, 0xF84A, 0xC403);
+	r8168_mac_ocp_write(tp, 0xF84C, 0xBC00);
+	r8168_mac_ocp_write(tp, 0xF84E, 0x0BF2);
+	r8168_mac_ocp_write(tp, 0xF850, 0x0C0A);
+	r8168_mac_ocp_write(tp, 0xF852, 0xE434);
+	r8168_mac_ocp_write(tp, 0xF854, 0xD3C0);
+	r8168_mac_ocp_write(tp, 0xF856, 0x49D9);
+	r8168_mac_ocp_write(tp, 0xF858, 0xF01F);
+	r8168_mac_ocp_write(tp, 0xF85A, 0xC526);
+	r8168_mac_ocp_write(tp, 0xF85C, 0x64A5);
+	r8168_mac_ocp_write(tp, 0xF85E, 0x1400);
+	r8168_mac_ocp_write(tp, 0xF860, 0xF007);
+	r8168_mac_ocp_write(tp, 0xF862, 0x0C01);
+	r8168_mac_ocp_write(tp, 0xF864, 0x8CA5);
+	r8168_mac_ocp_write(tp, 0xF866, 0x1C15);
+	r8168_mac_ocp_write(tp, 0xF868, 0xC51B);
+	r8168_mac_ocp_write(tp, 0xF86A, 0x9CA0);
+	r8168_mac_ocp_write(tp, 0xF86C, 0xE013);
+	r8168_mac_ocp_write(tp, 0xF86E, 0xC519);
+	r8168_mac_ocp_write(tp, 0xF870, 0x74A0);
+	r8168_mac_ocp_write(tp, 0xF872, 0x48C4);
+	r8168_mac_ocp_write(tp, 0xF874, 0x8CA0);
+	r8168_mac_ocp_write(tp, 0xF876, 0xC516);
+	r8168_mac_ocp_write(tp, 0xF878, 0x74A4);
+	r8168_mac_ocp_write(tp, 0xF87A, 0x48C8);
+	r8168_mac_ocp_write(tp, 0xF87C, 0x48CA);
+	r8168_mac_ocp_write(tp, 0xF87E, 0x9CA4);
+	r8168_mac_ocp_write(tp, 0xF880, 0xC512);
+	r8168_mac_ocp_write(tp, 0xF882, 0x1B00);
+	r8168_mac_ocp_write(tp, 0xF884, 0x9BA0);
+	r8168_mac_ocp_write(tp, 0xF886, 0x1B1C);
+	r8168_mac_ocp_write(tp, 0xF888, 0x483F);
+	r8168_mac_ocp_write(tp, 0xF88A, 0x9BA2);
+	r8168_mac_ocp_write(tp, 0xF88C, 0x1B04);
+	r8168_mac_ocp_write(tp, 0xF88E, 0xC508);
+	r8168_mac_ocp_write(tp, 0xF890, 0x9BA0);
+	r8168_mac_ocp_write(tp, 0xF892, 0xC505);
+	r8168_mac_ocp_write(tp, 0xF894, 0xBD00);
+	r8168_mac_ocp_write(tp, 0xF896, 0xC502);
+	r8168_mac_ocp_write(tp, 0xF898, 0xBD00);
+	r8168_mac_ocp_write(tp, 0xF89A, 0x0300);
+	r8168_mac_ocp_write(tp, 0xF89C, 0x051E);
+	r8168_mac_ocp_write(tp, 0xF89E, 0xE434);
+	r8168_mac_ocp_write(tp, 0xF8A0, 0xE018);
+	r8168_mac_ocp_write(tp, 0xF8A2, 0xE092);
+	r8168_mac_ocp_write(tp, 0xF8A4, 0xDE20);
+	r8168_mac_ocp_write(tp, 0xF8A6, 0xD3C0);
+	r8168_mac_ocp_write(tp, 0xF8A8, 0xC50F);
+	r8168_mac_ocp_write(tp, 0xF8AA, 0x76A4);
+	r8168_mac_ocp_write(tp, 0xF8AC, 0x49E3);
+	r8168_mac_ocp_write(tp, 0xF8AE, 0xF007);
+	r8168_mac_ocp_write(tp, 0xF8B0, 0x49C0);
+	r8168_mac_ocp_write(tp, 0xF8B2, 0xF103);
+	r8168_mac_ocp_write(tp, 0xF8B4, 0xC607);
+	r8168_mac_ocp_write(tp, 0xF8B6, 0xBE00);
+	r8168_mac_ocp_write(tp, 0xF8B8, 0xC606);
+	r8168_mac_ocp_write(tp, 0xF8BA, 0xBE00);
+	r8168_mac_ocp_write(tp, 0xF8BC, 0xC602);
+	r8168_mac_ocp_write(tp, 0xF8BE, 0xBE00);
+	r8168_mac_ocp_write(tp, 0xF8C0, 0x0C4C);
+	r8168_mac_ocp_write(tp, 0xF8C2, 0x0C28);
+	r8168_mac_ocp_write(tp, 0xF8C4, 0x0C2C);
+	r8168_mac_ocp_write(tp, 0xF8C6, 0xDC00);
+	r8168_mac_ocp_write(tp, 0xF8C8, 0xC707);
+	r8168_mac_ocp_write(tp, 0xF8CA, 0x1D00);
+	r8168_mac_ocp_write(tp, 0xF8CC, 0x8DE2);
+	r8168_mac_ocp_write(tp, 0xF8CE, 0x48C1);
+	r8168_mac_ocp_write(tp, 0xF8D0, 0xC502);
+	r8168_mac_ocp_write(tp, 0xF8D2, 0xBD00);
+	r8168_mac_ocp_write(tp, 0xF8D4, 0x00AA);
+	r8168_mac_ocp_write(tp, 0xF8D6, 0xE0C0);
+	r8168_mac_ocp_write(tp, 0xF8D8, 0xC502);
+	r8168_mac_ocp_write(tp, 0xF8DA, 0xBD00);
+	r8168_mac_ocp_write(tp, 0xF8DC, 0x0132);
+
+	r8168_mac_ocp_write(tp, 0xFC26, 0x8000);
+
+	r8168_mac_ocp_write(tp, 0xFC2A, 0x0743);
+	r8168_mac_ocp_write(tp, 0xFC2C, 0x0801);
+	r8168_mac_ocp_write(tp, 0xFC2E, 0x0BE9);
+	r8168_mac_ocp_write(tp, 0xFC30, 0x02FD);
+	r8168_mac_ocp_write(tp, 0xFC32, 0x0C25);
+	r8168_mac_ocp_write(tp, 0xFC34, 0x00A9);
+	r8168_mac_ocp_write(tp, 0xFC36, 0x012D);
+
 	rtl_hw_aspm_clkreq_enable(tp, true);
 }
 
-- 
2.22.0


^ permalink raw reply related	[flat|nested] 3+ messages in thread
* [PATCH net] r8169: fix issue with confused RX unit after PHY power-down on RTL8411b
@ 2019-07-13 11:55 Heiner Kallweit
  0 siblings, 0 replies; 3+ messages in thread
From: Heiner Kallweit @ 2019-07-13 11:55 UTC (permalink / raw)
  To: Realtek linux nic maintainers, David Miller; +Cc: netdev, Ionut Radu

On RTL8411b the RX unit gets confused if the PHY is powered-down.
This was reported in [0] and confirmed by Realtek. Realtek provided
a sequence to fix the RX unit after PHY wakeup.

The issue itself seems to have been there longer, the Fixes tag
refers to where the fix applies properly.

[0] https://bugzilla.redhat.com/show_bug.cgi?id=1692075

Fixes: a99790bf5c7f ("r8169: Reinstate ASPM Support")
Tested-by: Ionut Radu <ionut.radu@gmail.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
This patch is for versions up to 5.2. On versions before 5.2 there
may be little fuzz when applying because rtl_ephy_init used to have
one parameter more.
---
 drivers/net/ethernet/realtek/r8169.c | 137 +++++++++++++++++++++++++++
 1 file changed, 137 insertions(+)

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index d06a61f00..96637fcbe 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -5157,6 +5157,143 @@ static void rtl_hw_start_8411_2(struct rtl8169_private *tp)
 	/* disable aspm and clock request before access ephy */
 	rtl_hw_aspm_clkreq_enable(tp, false);
 	rtl_ephy_init(tp, e_info_8411_2);
+
+	/* The following Realtek-provided magic fixes an issue with the RX unit
+	 * getting confused after the PHY having been powered-down.
+	 */
+	r8168_mac_ocp_write(tp, 0xFC28, 0x0000);
+	r8168_mac_ocp_write(tp, 0xFC2A, 0x0000);
+	r8168_mac_ocp_write(tp, 0xFC2C, 0x0000);
+	r8168_mac_ocp_write(tp, 0xFC2E, 0x0000);
+	r8168_mac_ocp_write(tp, 0xFC30, 0x0000);
+	r8168_mac_ocp_write(tp, 0xFC32, 0x0000);
+	r8168_mac_ocp_write(tp, 0xFC34, 0x0000);
+	r8168_mac_ocp_write(tp, 0xFC36, 0x0000);
+	mdelay(3);
+	r8168_mac_ocp_write(tp, 0xFC26, 0x0000);
+
+	r8168_mac_ocp_write(tp, 0xF800, 0xE008);
+	r8168_mac_ocp_write(tp, 0xF802, 0xE00A);
+	r8168_mac_ocp_write(tp, 0xF804, 0xE00C);
+	r8168_mac_ocp_write(tp, 0xF806, 0xE00E);
+	r8168_mac_ocp_write(tp, 0xF808, 0xE027);
+	r8168_mac_ocp_write(tp, 0xF80A, 0xE04F);
+	r8168_mac_ocp_write(tp, 0xF80C, 0xE05E);
+	r8168_mac_ocp_write(tp, 0xF80E, 0xE065);
+	r8168_mac_ocp_write(tp, 0xF810, 0xC602);
+	r8168_mac_ocp_write(tp, 0xF812, 0xBE00);
+	r8168_mac_ocp_write(tp, 0xF814, 0x0000);
+	r8168_mac_ocp_write(tp, 0xF816, 0xC502);
+	r8168_mac_ocp_write(tp, 0xF818, 0xBD00);
+	r8168_mac_ocp_write(tp, 0xF81A, 0x074C);
+	r8168_mac_ocp_write(tp, 0xF81C, 0xC302);
+	r8168_mac_ocp_write(tp, 0xF81E, 0xBB00);
+	r8168_mac_ocp_write(tp, 0xF820, 0x080A);
+	r8168_mac_ocp_write(tp, 0xF822, 0x6420);
+	r8168_mac_ocp_write(tp, 0xF824, 0x48C2);
+	r8168_mac_ocp_write(tp, 0xF826, 0x8C20);
+	r8168_mac_ocp_write(tp, 0xF828, 0xC516);
+	r8168_mac_ocp_write(tp, 0xF82A, 0x64A4);
+	r8168_mac_ocp_write(tp, 0xF82C, 0x49C0);
+	r8168_mac_ocp_write(tp, 0xF82E, 0xF009);
+	r8168_mac_ocp_write(tp, 0xF830, 0x74A2);
+	r8168_mac_ocp_write(tp, 0xF832, 0x8CA5);
+	r8168_mac_ocp_write(tp, 0xF834, 0x74A0);
+	r8168_mac_ocp_write(tp, 0xF836, 0xC50E);
+	r8168_mac_ocp_write(tp, 0xF838, 0x9CA2);
+	r8168_mac_ocp_write(tp, 0xF83A, 0x1C11);
+	r8168_mac_ocp_write(tp, 0xF83C, 0x9CA0);
+	r8168_mac_ocp_write(tp, 0xF83E, 0xE006);
+	r8168_mac_ocp_write(tp, 0xF840, 0x74F8);
+	r8168_mac_ocp_write(tp, 0xF842, 0x48C4);
+	r8168_mac_ocp_write(tp, 0xF844, 0x8CF8);
+	r8168_mac_ocp_write(tp, 0xF846, 0xC404);
+	r8168_mac_ocp_write(tp, 0xF848, 0xBC00);
+	r8168_mac_ocp_write(tp, 0xF84A, 0xC403);
+	r8168_mac_ocp_write(tp, 0xF84C, 0xBC00);
+	r8168_mac_ocp_write(tp, 0xF84E, 0x0BF2);
+	r8168_mac_ocp_write(tp, 0xF850, 0x0C0A);
+	r8168_mac_ocp_write(tp, 0xF852, 0xE434);
+	r8168_mac_ocp_write(tp, 0xF854, 0xD3C0);
+	r8168_mac_ocp_write(tp, 0xF856, 0x49D9);
+	r8168_mac_ocp_write(tp, 0xF858, 0xF01F);
+	r8168_mac_ocp_write(tp, 0xF85A, 0xC526);
+	r8168_mac_ocp_write(tp, 0xF85C, 0x64A5);
+	r8168_mac_ocp_write(tp, 0xF85E, 0x1400);
+	r8168_mac_ocp_write(tp, 0xF860, 0xF007);
+	r8168_mac_ocp_write(tp, 0xF862, 0x0C01);
+	r8168_mac_ocp_write(tp, 0xF864, 0x8CA5);
+	r8168_mac_ocp_write(tp, 0xF866, 0x1C15);
+	r8168_mac_ocp_write(tp, 0xF868, 0xC51B);
+	r8168_mac_ocp_write(tp, 0xF86A, 0x9CA0);
+	r8168_mac_ocp_write(tp, 0xF86C, 0xE013);
+	r8168_mac_ocp_write(tp, 0xF86E, 0xC519);
+	r8168_mac_ocp_write(tp, 0xF870, 0x74A0);
+	r8168_mac_ocp_write(tp, 0xF872, 0x48C4);
+	r8168_mac_ocp_write(tp, 0xF874, 0x8CA0);
+	r8168_mac_ocp_write(tp, 0xF876, 0xC516);
+	r8168_mac_ocp_write(tp, 0xF878, 0x74A4);
+	r8168_mac_ocp_write(tp, 0xF87A, 0x48C8);
+	r8168_mac_ocp_write(tp, 0xF87C, 0x48CA);
+	r8168_mac_ocp_write(tp, 0xF87E, 0x9CA4);
+	r8168_mac_ocp_write(tp, 0xF880, 0xC512);
+	r8168_mac_ocp_write(tp, 0xF882, 0x1B00);
+	r8168_mac_ocp_write(tp, 0xF884, 0x9BA0);
+	r8168_mac_ocp_write(tp, 0xF886, 0x1B1C);
+	r8168_mac_ocp_write(tp, 0xF888, 0x483F);
+	r8168_mac_ocp_write(tp, 0xF88A, 0x9BA2);
+	r8168_mac_ocp_write(tp, 0xF88C, 0x1B04);
+	r8168_mac_ocp_write(tp, 0xF88E, 0xC508);
+	r8168_mac_ocp_write(tp, 0xF890, 0x9BA0);
+	r8168_mac_ocp_write(tp, 0xF892, 0xC505);
+	r8168_mac_ocp_write(tp, 0xF894, 0xBD00);
+	r8168_mac_ocp_write(tp, 0xF896, 0xC502);
+	r8168_mac_ocp_write(tp, 0xF898, 0xBD00);
+	r8168_mac_ocp_write(tp, 0xF89A, 0x0300);
+	r8168_mac_ocp_write(tp, 0xF89C, 0x051E);
+	r8168_mac_ocp_write(tp, 0xF89E, 0xE434);
+	r8168_mac_ocp_write(tp, 0xF8A0, 0xE018);
+	r8168_mac_ocp_write(tp, 0xF8A2, 0xE092);
+	r8168_mac_ocp_write(tp, 0xF8A4, 0xDE20);
+	r8168_mac_ocp_write(tp, 0xF8A6, 0xD3C0);
+	r8168_mac_ocp_write(tp, 0xF8A8, 0xC50F);
+	r8168_mac_ocp_write(tp, 0xF8AA, 0x76A4);
+	r8168_mac_ocp_write(tp, 0xF8AC, 0x49E3);
+	r8168_mac_ocp_write(tp, 0xF8AE, 0xF007);
+	r8168_mac_ocp_write(tp, 0xF8B0, 0x49C0);
+	r8168_mac_ocp_write(tp, 0xF8B2, 0xF103);
+	r8168_mac_ocp_write(tp, 0xF8B4, 0xC607);
+	r8168_mac_ocp_write(tp, 0xF8B6, 0xBE00);
+	r8168_mac_ocp_write(tp, 0xF8B8, 0xC606);
+	r8168_mac_ocp_write(tp, 0xF8BA, 0xBE00);
+	r8168_mac_ocp_write(tp, 0xF8BC, 0xC602);
+	r8168_mac_ocp_write(tp, 0xF8BE, 0xBE00);
+	r8168_mac_ocp_write(tp, 0xF8C0, 0x0C4C);
+	r8168_mac_ocp_write(tp, 0xF8C2, 0x0C28);
+	r8168_mac_ocp_write(tp, 0xF8C4, 0x0C2C);
+	r8168_mac_ocp_write(tp, 0xF8C6, 0xDC00);
+	r8168_mac_ocp_write(tp, 0xF8C8, 0xC707);
+	r8168_mac_ocp_write(tp, 0xF8CA, 0x1D00);
+	r8168_mac_ocp_write(tp, 0xF8CC, 0x8DE2);
+	r8168_mac_ocp_write(tp, 0xF8CE, 0x48C1);
+	r8168_mac_ocp_write(tp, 0xF8D0, 0xC502);
+	r8168_mac_ocp_write(tp, 0xF8D2, 0xBD00);
+	r8168_mac_ocp_write(tp, 0xF8D4, 0x00AA);
+	r8168_mac_ocp_write(tp, 0xF8D6, 0xE0C0);
+	r8168_mac_ocp_write(tp, 0xF8D8, 0xC502);
+	r8168_mac_ocp_write(tp, 0xF8DA, 0xBD00);
+	r8168_mac_ocp_write(tp, 0xF8DC, 0x0132);
+
+	r8168_mac_ocp_write(tp, 0xFC26, 0x8000);
+
+	r8168_mac_ocp_write(tp, 0xFC2A, 0x0743);
+	r8168_mac_ocp_write(tp, 0xFC2C, 0x0801);
+	r8168_mac_ocp_write(tp, 0xFC2E, 0x0BE9);
+	r8168_mac_ocp_write(tp, 0xFC30, 0x02FD);
+	r8168_mac_ocp_write(tp, 0xFC32, 0x0C25);
+	r8168_mac_ocp_write(tp, 0xFC34, 0x00A9);
+	r8168_mac_ocp_write(tp, 0xFC36, 0x012D);
+
 	rtl_hw_aspm_clkreq_enable(tp, true);
 }
 
-- 
2.22.0


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Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-07-13 11:45 [PATCH net] r8169: fix issue with confused RX unit after PHY power-down on RTL8411b Heiner Kallweit
2019-07-14  2:28 ` David Miller
2019-07-13 11:55 Heiner Kallweit

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