linux-kernel - [PATCH v1 2/3] Revert "net: mdio: Delete usage of driver_deferred_probe_check

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Message-Id: <20220727185012.3255200-3-saravanak@google.com>
Date:   Wed, 27 Jul 2022 11:50:10 -0700
From:   Saravana Kannan <saravanak@...gle.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Kevin Hilman <khilman@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     Saravana Kannan <saravanak@...gle.com>, naresh.kamboju@...aro.org,
        kernel-team@...roid.com, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH v1 2/3] Revert "net: mdio: Delete usage of driver_deferred_probe_check_state()"

This reverts commit f8217275b57aa48d98cc42051c2aac34152718d6.

There are a few more issues to fix that have been reported in the thread
for the original series [1]. We'll need to fix those before this will
work. So, revert it for now.

[1] - https://lore.kernel.org/lkml/20220601070707.3946847-1-saravanak@google.com/

Signed-off-by: Saravana Kannan <saravanak@...gle.com>
---
 drivers/net/mdio/fwnode_mdio.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/mdio/fwnode_mdio.c b/drivers/net/mdio/fwnode_mdio.c
index 3e79c2c51929..1c1584fca632 100644
--- a/drivers/net/mdio/fwnode_mdio.c
+++ b/drivers/net/mdio/fwnode_mdio.c
@@ -47,7 +47,9 @@ int fwnode_mdiobus_phy_device_register(struct mii_bus *mdio,
 	 * just fall back to poll mode
 	 */
 	if (rc == -EPROBE_DEFER)
-		rc = -ENODEV;
+		rc = driver_deferred_probe_check_state(&phy->mdio.dev);
+	if (rc == -EPROBE_DEFER)
+		return rc;
 
 	if (rc > 0) {
 		phy->irq = rc;
-- 
2.37.1.359.gd136c6c3e2-goog