[openwrt/openwrt] realtek: rtl931x: Fix SDS field modifications

[LEDE Commits]

robimarko pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/848887b491fdb252ac888c353c4d8fef38b6b741

commit 848887b491fdb252ac888c353c4d8fef38b6b741
Author: Harshal Gohel <hg at simonwunderlich.de>
AuthorDate: Mon Jul 14 11:35:00 2025 +0200

    realtek: rtl931x: Fix SDS field modifications
    
    A RTL930x function to read the value from an SDS register must not used on
    an RTL931x SoC. Doing it with rtl930x_read_sds_phy() would corrupt the
    written results when only parts of the bits are written.
    
    Fixes: 7026084066fb ("realtek: Add SDS configuration routines for the RTL93XX platforms")
    Signed-off-by: Harshal Gohel <hg at simonwunderlich.de>
    Signed-off-by: Sharadanand Karanjkar <sk at simonwunderlich.de>
    Link: https://github.com/openwrt/openwrt/pull/19603
    Signed-off-by: Robert Marko <robimarko at gmail.com>
---
 target/linux/realtek/files-6.12/drivers/net/phy/rtl83xx-phy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/linux/realtek/files-6.12/drivers/net/phy/rtl83xx-phy.c b/target/linux/realtek/files-6.12/drivers/net/phy/rtl83xx-phy.c
index 439ba9aa37..65e7e12117 100644
--- a/target/linux/realtek/files-6.12/drivers/net/phy/rtl83xx-phy.c
+++ b/target/linux/realtek/files-6.12/drivers/net/phy/rtl83xx-phy.c
@@ -3048,7 +3048,7 @@ static void rtl9310_sds_field_w(int sds, u32 page, u32 reg, int end_bit, int sta
 	if (l < 32) {
 		u32 mask = BIT(l) - 1;
 
-		data = rtl930x_read_sds_phy(sds, page, reg);
+		data = rtl931x_read_sds_phy(sds, page, reg);
 		data &= ~(mask << start_bit);
 		data |= (v & mask) << start_bit;
 	}