linux-kernel - [PATCH v2] of: property: fw_devlink: Add support for "phy-handle" property

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Message-Id: <20210818021717.3268255-1-saravanak@google.com>
Date:   Tue, 17 Aug 2021 19:17:16 -0700
From:   Saravana Kannan <saravanak@...gle.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>
Cc:     Saravana Kannan <saravanak@...gle.com>,
        Andrew Lunn <andrew@...n.ch>, netdev@...r.kernel.org,
        kernel-team@...roid.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] of: property: fw_devlink: Add support for "phy-handle" property

Allows tracking dependencies between Ethernet PHYs and their consumers.

Cc: Andrew Lunn <andrew@...n.ch>
Cc: netdev@...r.kernel.org
Signed-off-by: Saravana Kannan <saravanak@...gle.com>
---
v1 -> v2:
- Fixed patch to address my misunderstanding of how PHYs get
  initialized.

 drivers/of/property.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/of/property.c b/drivers/of/property.c
index 931340329414..0c0dc2e369c0 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1291,6 +1291,7 @@ DEFINE_SIMPLE_PROP(pwms, "pwms", "#pwm-cells")
 DEFINE_SIMPLE_PROP(resets, "resets", "#reset-cells")
 DEFINE_SIMPLE_PROP(leds, "leds", NULL)
 DEFINE_SIMPLE_PROP(backlight, "backlight", NULL)
+DEFINE_SIMPLE_PROP(phy_handle, "phy-handle", NULL)
 DEFINE_SUFFIX_PROP(regulators, "-supply", NULL)
 DEFINE_SUFFIX_PROP(gpio, "-gpio", "#gpio-cells")
 
@@ -1379,6 +1380,7 @@ static const struct supplier_bindings of_supplier_bindings[] = {
 	{ .parse_prop = parse_resets, },
 	{ .parse_prop = parse_leds, },
 	{ .parse_prop = parse_backlight, },
+	{ .parse_prop = parse_phy_handle, },
 	{ .parse_prop = parse_gpio_compat, },
 	{ .parse_prop = parse_interrupts, },
 	{ .parse_prop = parse_regulators, },
-- 
2.33.0.rc1.237.g0d66db33f3-goog