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From: Da Xue <da@libre.computer>
To: Andrew Lunn <andrew@lunn.ch>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	Russell King <linux@armlinux.org.uk>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Kevin Hilman <khilman@baylibre.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: Da Xue <da@libre.computer>, Luke Lu <luke.lu@libre.computer>,
	netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH] [PATCH v2] net: phy: meson-gxl: implement meson_gxl_phy_resume()
Date: Fri,  4 Aug 2023 16:19:02 -0400	[thread overview]
Message-ID: <20230804201903.1303713-1-da@libre.computer> (raw)

After suspend and resume, the meson GXL internal PHY config needs to be initialized again or the carrier cannot be found.

Signed-off-by: Luke Lu <luke.lu@libre.computer>
Reviewed-by: Da Xue <da@libre.computer>
---
 drivers/net/phy/meson-gxl.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/meson-gxl.c b/drivers/net/phy/meson-gxl.c
index bb9b33b6b..2df516ed4 100644
--- a/drivers/net/phy/meson-gxl.c
+++ b/drivers/net/phy/meson-gxl.c
@@ -132,6 +132,18 @@ static int meson_gxl_config_init(struct phy_device *phydev)
 	return 0;
 }
 
+static int meson_gxl_phy_resume(struct phy_device *phydev)
+{
+	int ret;
+
+	genphy_resume();
+	ret = meson_gxl_config_init(phydev);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
 /* This function is provided to cope with the possible failures of this phy
  * during aneg process. When aneg fails, the PHY reports that aneg is done
  * but the value found in MII_LPA is wrong:
@@ -196,7 +208,7 @@ static struct phy_driver meson_gxl_phy[] = {
 		.config_intr	= smsc_phy_config_intr,
 		.handle_interrupt = smsc_phy_handle_interrupt,
 		.suspend        = genphy_suspend,
-		.resume         = genphy_resume,
+		.resume         = meson_gxl_phy_resume,
 		.read_mmd	= genphy_read_mmd_unsupported,
 		.write_mmd	= genphy_write_mmd_unsupported,
 	}, {
-- 
2.39.2


_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic

WARNING: multiple messages have this Message-ID (diff)
From: Da Xue <da@libre.computer>
To: Andrew Lunn <andrew@lunn.ch>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	Russell King <linux@armlinux.org.uk>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Kevin Hilman <khilman@baylibre.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: Da Xue <da@libre.computer>, Luke Lu <luke.lu@libre.computer>,
	netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH] [PATCH v2] net: phy: meson-gxl: implement meson_gxl_phy_resume()
Date: Fri,  4 Aug 2023 16:19:02 -0400	[thread overview]
Message-ID: <20230804201903.1303713-1-da@libre.computer> (raw)

After suspend and resume, the meson GXL internal PHY config needs to be initialized again or the carrier cannot be found.

Signed-off-by: Luke Lu <luke.lu@libre.computer>
Reviewed-by: Da Xue <da@libre.computer>
---
 drivers/net/phy/meson-gxl.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/meson-gxl.c b/drivers/net/phy/meson-gxl.c
index bb9b33b6b..2df516ed4 100644
--- a/drivers/net/phy/meson-gxl.c
+++ b/drivers/net/phy/meson-gxl.c
@@ -132,6 +132,18 @@ static int meson_gxl_config_init(struct phy_device *phydev)
 	return 0;
 }
 
+static int meson_gxl_phy_resume(struct phy_device *phydev)
+{
+	int ret;
+
+	genphy_resume();
+	ret = meson_gxl_config_init(phydev);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
 /* This function is provided to cope with the possible failures of this phy
  * during aneg process. When aneg fails, the PHY reports that aneg is done
  * but the value found in MII_LPA is wrong:
@@ -196,7 +208,7 @@ static struct phy_driver meson_gxl_phy[] = {
 		.config_intr	= smsc_phy_config_intr,
 		.handle_interrupt = smsc_phy_handle_interrupt,
 		.suspend        = genphy_suspend,
-		.resume         = genphy_resume,
+		.resume         = meson_gxl_phy_resume,
 		.read_mmd	= genphy_read_mmd_unsupported,
 		.write_mmd	= genphy_write_mmd_unsupported,
 	}, {
-- 
2.39.2


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Da Xue <da@libre.computer>
To: Andrew Lunn <andrew@lunn.ch>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	Russell King <linux@armlinux.org.uk>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Kevin Hilman <khilman@baylibre.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: Da Xue <da@libre.computer>, Luke Lu <luke.lu@libre.computer>,
	netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH] [PATCH v2] net: phy: meson-gxl: implement meson_gxl_phy_resume()
Date: Fri,  4 Aug 2023 16:19:02 -0400	[thread overview]
Message-ID: <20230804201903.1303713-1-da@libre.computer> (raw)

After suspend and resume, the meson GXL internal PHY config needs to be initialized again or the carrier cannot be found.

Signed-off-by: Luke Lu <luke.lu@libre.computer>
Reviewed-by: Da Xue <da@libre.computer>
---
 drivers/net/phy/meson-gxl.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/meson-gxl.c b/drivers/net/phy/meson-gxl.c
index bb9b33b6b..2df516ed4 100644
--- a/drivers/net/phy/meson-gxl.c
+++ b/drivers/net/phy/meson-gxl.c
@@ -132,6 +132,18 @@ static int meson_gxl_config_init(struct phy_device *phydev)
 	return 0;
 }
 
+static int meson_gxl_phy_resume(struct phy_device *phydev)
+{
+	int ret;
+
+	genphy_resume();
+	ret = meson_gxl_config_init(phydev);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
 /* This function is provided to cope with the possible failures of this phy
  * during aneg process. When aneg fails, the PHY reports that aneg is done
  * but the value found in MII_LPA is wrong:
@@ -196,7 +208,7 @@ static struct phy_driver meson_gxl_phy[] = {
 		.config_intr	= smsc_phy_config_intr,
 		.handle_interrupt = smsc_phy_handle_interrupt,
 		.suspend        = genphy_suspend,
-		.resume         = genphy_resume,
+		.resume         = meson_gxl_phy_resume,
 		.read_mmd	= genphy_read_mmd_unsupported,
 		.write_mmd	= genphy_write_mmd_unsupported,
 	}, {
-- 
2.39.2


             reply	other threads:[~2023-08-04 20:19 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-04 20:19 Da Xue [this message]
2023-08-04 20:19 ` [PATCH] [PATCH v2] net: phy: meson-gxl: implement meson_gxl_phy_resume() Da Xue
2023-08-04 20:19 ` Da Xue
2023-08-06  5:11 ` kernel test robot
2023-08-06  5:11   ` kernel test robot
2023-08-06  5:11   ` kernel test robot
2023-08-07 14:21 ` Simon Horman
2023-08-07 14:21   ` Simon Horman
2023-08-07 14:21   ` Simon Horman

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