netdev - [PATCH net-next 4/7] net: phy: smsc: add flag edpd_mode_set_by

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Message-ID: <4a498ad1-5d2f-e861-1550-f67eda55c01c@gmail.com>
Date:   Sun, 2 Apr 2023 11:46:25 +0200
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH net-next 4/7] net: phy: smsc: add flag edpd_mode_set_by_user

Add flag edpd_mode_set_by_user in preparation of adding edpd phy tunable
support. This flag will allow users to override the default behavior
of edpd being disabled if interrupt mode is used.

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
 drivers/net/phy/smsc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c
index f5ecd8bea..25b9cd474 100644
--- a/drivers/net/phy/smsc.c
+++ b/drivers/net/phy/smsc.c
@@ -45,6 +45,7 @@ static struct smsc_hw_stat smsc_hw_stats[] = {
 
 struct smsc_phy_priv {
 	unsigned int edpd_enable:1;
+	unsigned int edpd_mode_set_by_user:1;
 };
 
 static int smsc_phy_ack_interrupt(struct phy_device *phydev)
@@ -117,7 +118,8 @@ int smsc_phy_config_init(struct phy_device *phydev)
 	if (!priv)
 		return 0;
 
-	if (phydev->irq != PHY_POLL)
+	/* don't use EDPD in irq mode except overridden by user */
+	if (!priv->edpd_mode_set_by_user && phydev->irq != PHY_POLL)
 		priv->edpd_enable = false;
 
 	return smsc_phy_config_edpd(phydev);
-- 
2.40.0