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