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net: phy: realtek: Fix setting of PHY LEDs Mode B bit on RTL8211F

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The current implementation incorrectly sets the mode bit of the PHY chip.
Bit 15 (RTL8211F_LEDCR_MODE) should not be shifted together with the
configuration nibble of a LED- it should be set independently of the
index of the LED being configured.
As a consequence, the RTL8211F LED control is actually operating in Mode A.
Fix the error by or-ing final register value to write with a const-value of
RTL8211F_LEDCR_MODE, thus setting Mode bit explicitly.

Fixes: 17784801d8 ("net: phy: realtek: Add support for PHY LEDs on RTL8211F")
Signed-off-by: Sava Jakovljev <savaj@meyersound.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Link: https://patch.msgid.link/PAWP192MB21287372F30C4E55B6DF6158C38E2@PAWP192MB2128.EURP192.PROD.OUTLOOK.COM
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Sava Jakovljev
2024-08-21 04:16:57 +02:00
committed by Paolo Abeni
parent f2916c83d7
commit a2f5c505b4
1 changed files with 2 additions and 1 deletions
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3
drivers/net/phy/realtek.c
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@@ -555,7 +555,7 @@ static int rtl8211f_led_hw_control_set(struct phy_device *phydev, u8 index,
unsigned long rules)
{
const u16 mask = RTL8211F_LEDCR_MASK << (RTL8211F_LEDCR_SHIFT * index);
u16 reg = RTL8211F_LEDCR_MODE; /* Mode B */
u16 reg = 0;
if (index >= RTL8211F_LED_COUNT)
return -EINVAL;
@@ -575,6 +575,7 @@ static int rtl8211f_led_hw_control_set(struct phy_device *phydev, u8 index,
}
reg <<= RTL8211F_LEDCR_SHIFT * index;
reg |= RTL8211F_LEDCR_MODE; /* Mode B */
return phy_modify_paged(phydev, 0xd04, RTL8211F_LEDCR, mask, reg);
}