diff --git a/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c b/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c
index dfdab61129..2f66d3c472 100644
--- a/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c
+++ b/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c
@@ -2502,8 +2502,8 @@ static void rtpcs_930x_sds_do_rx_calibration(struct rtpcs_serdes *sds,
 	rtpcs_930x_sds_do_rx_calibration_5(sds, hw_mode);
 	mdelay(20);
 
-	/* Do this only for 10GR mode, SDS active in mode 0x1a */
-	if (rtpcs_sds_read_bits(sds, 0x1f, 9, 11, 7) == RTPCS_930X_SDS_MODE_10GBASER) {
+	/* Do this only for 10GR mode */
+	if (hw_mode == RTPCS_SDS_MODE_10GBASER) {
 		pr_info("%s: SDS enabled\n", __func__);
 		latch_sts = rtpcs_sds_read_bits(sds, 0x4, 1, 2, 2);
 		mdelay(1);