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From: Bjorn Helgaas <helgaas@kernel.org>
To: Jesse Brandeburg <jesse.brandeburg@intel.com>,
	Tony Nguyen <anthony.l.nguyen@intel.com>,
	"David S . Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Cc: Heiner Kallweit <hkallweit1@gmail.com>,
	Konstantin Khlebnikov <khlebnikov@openvz.org>,
	Zheng Yan <zheng.z.yan@intel.com>,
	Sasha Neftin <sasha.neftin@intel.com>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>
Subject: [PATCH 2/3] igb: Remove redundant runtime resume for ethtool_ops
Date: Mon, 25 Mar 2024 17:29:50 -0500	[thread overview]
Message-ID: <20240325222951.1460656-3-helgaas@kernel.org> (raw)
In-Reply-To: <20240325222951.1460656-1-helgaas@kernel.org>

From: Bjorn Helgaas <bhelgaas@google.com>

749ab2cd1270 ("igb: add basic runtime PM support") added
ethtool_ops.begin() and .complete(), which used pm_runtime_get_sync() to
resume suspended devices before any ethtool_ops callback and allow suspend
after it completed.

Subsequently, f32a21376573 ("ethtool: runtime-resume netdev parent before
ethtool ioctl ops") added pm_runtime_get_sync() in the dev_ethtool() path,
so the device is resumed before any ethtool_ops callback even if the driver
didn't supply a .begin() callback.

Remove the .begin() and .complete() callbacks, which are now redundant
because dev_ethtool() already resumes the device.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---
 drivers/net/ethernet/intel/igb/igb_ethtool.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 99977a22b843..61d72250c0ed 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -3272,19 +3272,6 @@ static int igb_get_module_eeprom(struct net_device *netdev,
 	return 0;
 }
 
-static int igb_ethtool_begin(struct net_device *netdev)
-{
-	struct igb_adapter *adapter = netdev_priv(netdev);
-	pm_runtime_get_sync(&adapter->pdev->dev);
-	return 0;
-}
-
-static void igb_ethtool_complete(struct net_device *netdev)
-{
-	struct igb_adapter *adapter = netdev_priv(netdev);
-	pm_runtime_put(&adapter->pdev->dev);
-}
-
 static u32 igb_get_rxfh_indir_size(struct net_device *netdev)
 {
 	return IGB_RETA_SIZE;
@@ -3508,8 +3495,6 @@ static const struct ethtool_ops igb_ethtool_ops = {
 	.set_channels		= igb_set_channels,
 	.get_priv_flags		= igb_get_priv_flags,
 	.set_priv_flags		= igb_set_priv_flags,
-	.begin			= igb_ethtool_begin,
-	.complete		= igb_ethtool_complete,
 	.get_link_ksettings	= igb_get_link_ksettings,
 	.set_link_ksettings	= igb_set_link_ksettings,
 };
-- 
2.34.1


WARNING: multiple messages have this Message-ID (diff)
From: Bjorn Helgaas <helgaas@kernel.org>
To: Jesse Brandeburg <jesse.brandeburg@intel.com>,
	Tony Nguyen <anthony.l.nguyen@intel.com>,
	"David S . Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Cc: Sasha Neftin <sasha.neftin@intel.com>,
	netdev@vger.kernel.org,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	linux-kernel@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>,
	intel-wired-lan@lists.osuosl.org,
	Zheng Yan <zheng.z.yan@intel.com>,
	Konstantin Khlebnikov <khlebnikov@openvz.org>,
	Heiner Kallweit <hkallweit1@gmail.com>
Subject: [Intel-wired-lan] [PATCH 2/3] igb: Remove redundant runtime resume for ethtool_ops
Date: Mon, 25 Mar 2024 17:29:50 -0500	[thread overview]
Message-ID: <20240325222951.1460656-3-helgaas@kernel.org> (raw)
In-Reply-To: <20240325222951.1460656-1-helgaas@kernel.org>

From: Bjorn Helgaas <bhelgaas@google.com>

749ab2cd1270 ("igb: add basic runtime PM support") added
ethtool_ops.begin() and .complete(), which used pm_runtime_get_sync() to
resume suspended devices before any ethtool_ops callback and allow suspend
after it completed.

Subsequently, f32a21376573 ("ethtool: runtime-resume netdev parent before
ethtool ioctl ops") added pm_runtime_get_sync() in the dev_ethtool() path,
so the device is resumed before any ethtool_ops callback even if the driver
didn't supply a .begin() callback.

Remove the .begin() and .complete() callbacks, which are now redundant
because dev_ethtool() already resumes the device.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---
 drivers/net/ethernet/intel/igb/igb_ethtool.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 99977a22b843..61d72250c0ed 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -3272,19 +3272,6 @@ static int igb_get_module_eeprom(struct net_device *netdev,
 	return 0;
 }
 
-static int igb_ethtool_begin(struct net_device *netdev)
-{
-	struct igb_adapter *adapter = netdev_priv(netdev);
-	pm_runtime_get_sync(&adapter->pdev->dev);
-	return 0;
-}
-
-static void igb_ethtool_complete(struct net_device *netdev)
-{
-	struct igb_adapter *adapter = netdev_priv(netdev);
-	pm_runtime_put(&adapter->pdev->dev);
-}
-
 static u32 igb_get_rxfh_indir_size(struct net_device *netdev)
 {
 	return IGB_RETA_SIZE;
@@ -3508,8 +3495,6 @@ static const struct ethtool_ops igb_ethtool_ops = {
 	.set_channels		= igb_set_channels,
 	.get_priv_flags		= igb_get_priv_flags,
 	.set_priv_flags		= igb_set_priv_flags,
-	.begin			= igb_ethtool_begin,
-	.complete		= igb_ethtool_complete,
 	.get_link_ksettings	= igb_get_link_ksettings,
 	.set_link_ksettings	= igb_set_link_ksettings,
 };
-- 
2.34.1


  parent reply	other threads:[~2024-03-25 22:30 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-25 22:29 [PATCH 0/3] net/e1000e, igb, igc: Remove redundant runtime resume Bjorn Helgaas
2024-03-25 22:29 ` [Intel-wired-lan] " Bjorn Helgaas
2024-03-25 22:29 ` [PATCH 1/3] e1000e: Remove redundant runtime resume for ethtool_ops Bjorn Helgaas
2024-03-25 22:29   ` [Intel-wired-lan] " Bjorn Helgaas
2024-03-26 14:35   ` Simon Horman
2024-03-26 14:35     ` [Intel-wired-lan] " Simon Horman
2024-04-02 18:32   ` naamax.meir
2024-04-02 18:32     ` naamax.meir
2024-03-25 22:29 ` Bjorn Helgaas [this message]
2024-03-25 22:29   ` [Intel-wired-lan] [PATCH 2/3] igb: " Bjorn Helgaas
2024-03-26 14:36   ` Simon Horman
2024-03-26 14:36     ` [Intel-wired-lan] " Simon Horman
2024-04-05 20:41   ` Mekala, SunithaX D
2024-04-05 20:41     ` Mekala, SunithaX D
2024-03-25 22:29 ` [Intel-wired-lan] [PATCH 3/3] igc: Remove redundant runtime resume for ethtool ops Bjorn Helgaas
2024-03-25 22:29   ` Bjorn Helgaas
2024-03-26 14:36   ` Simon Horman
2024-03-26 14:36     ` [Intel-wired-lan] " Simon Horman
2024-04-08 11:32   ` naamax.meir
2024-04-08 11:32     ` naamax.meir

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