[][kernel][mt7988][eth][mediatek-ge: Fix TX power saving]

[Description]
Fix TX power saving. Remove slave mode finetune.
(There will be another finetuned settings.)

[Release-log]
N/A

Change-Id: I3111c9e576153facca5c3e98753563373277d31f
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6627978
diff --git a/target/linux/mediatek/files-5.4/drivers/net/phy/mediatek-ge.c b/target/linux/mediatek/files-5.4/drivers/net/phy/mediatek-ge.c
index 27d13b9..0eefd36 100644
--- a/target/linux/mediatek/files-5.4/drivers/net/phy/mediatek-ge.c
+++ b/target/linux/mediatek/files-5.4/drivers/net/phy/mediatek-ge.c
@@ -893,19 +893,7 @@
 
 	/* Disable TX power saving */
 	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG7,
-			MTK_PHY_DA_AD_BUF_BIAS_LP_MASK, 0x3);
-
-	/* Slave mode finetune*/
-	phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5);
-	__phy_write(phydev, 0x12, 0x0);
-	__phy_write(phydev, 0x11, 0x700);
-	__phy_write(phydev, 0x10, 0x9686);
-
-	__phy_write(phydev, 0x12, 0x0);
-	__phy_write(phydev, 0x11, 0x64);
-	__phy_write(phydev, 0x10, 0x8f82);
-	phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
-
+			MTK_PHY_DA_AD_BUF_BIAS_LP_MASK, 0x3 << 8);
 }
 
 static int mt798x_phy_calibration(struct phy_device *phydev)