d40756563c
Let's pick a bunch of useful phylink changes which allow us to keep drivers in sync with mainline Linux. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
44 lines
1.5 KiB
Diff
44 lines
1.5 KiB
Diff
From aed8fdad2152d946add50bec00a6b07c457bdcdf Mon Sep 17 00:00:00 2001
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From: Alexander Stein <alexander.stein@ew.tq-group.com>
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Date: Mon, 24 Apr 2023 16:16:48 +0200
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Subject: [PATCH] net: phy: Fix reading LED reg property
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'reg' is always encoded in 32 bits, thus it has to be read using the
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function with the corresponding bit width.
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Fixes: 01e5b728e9e4 ("net: phy: Add a binding for PHY LEDs")
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Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
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Reviewed-by: Andrew Lunn <andrew@lunn.ch>
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Link: https://lore.kernel.org/r/20230424141648.317944-1-alexander.stein@ew.tq-group.com
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/phy/phy_device.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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--- a/drivers/net/phy/phy_device.c
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+++ b/drivers/net/phy/phy_device.c
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@@ -3075,6 +3075,7 @@ static int of_phy_led(struct phy_device
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struct led_init_data init_data = {};
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struct led_classdev *cdev;
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struct phy_led *phyled;
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+ u32 index;
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int err;
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phyled = devm_kzalloc(dev, sizeof(*phyled), GFP_KERNEL);
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@@ -3084,10 +3085,13 @@ static int of_phy_led(struct phy_device
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cdev = &phyled->led_cdev;
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phyled->phydev = phydev;
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- err = of_property_read_u8(led, "reg", &phyled->index);
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+ err = of_property_read_u32(led, "reg", &index);
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if (err)
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return err;
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+ if (index > U8_MAX)
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+ return -EINVAL;
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+ phyled->index = index;
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if (phydev->drv->led_brightness_set)
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cdev->brightness_set_blocking = phy_led_set_brightness;
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if (phydev->drv->led_blink_set)
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