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From c125c66ea71b9377ae2478c4f1b87b180cc5c6ef Mon Sep 17 00:00:00 2001
From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Date: Thu, 27 Oct 2022 14:11:18 +0100
Subject: [PATCH 08/10] net: mtk_eth_soc: add advertisement programming
Program the advertisement into the mtk PCS block.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mediatek/mtk_sgmii.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c
+++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c
@@ -70,16 +70,27 @@ static int mtk_pcs_config(struct phylink
{
struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs);
unsigned int rgc3;
+ int advertise;
+ bool changed;
if (interface == PHY_INTERFACE_MODE_2500BASEX)
rgc3 = RG_PHY_SPEED_3_125G;
else
rgc3 = 0;
+ advertise = phylink_mii_c22_pcs_encode_advertisement(interface,
+ advertising);
+ if (advertise < 0)
+ return advertise;
+
/* Configure the underlying interface speed */
regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3,
RG_PHY_SPEED_3_125G, rgc3);
+ /* Update the advertisement, noting whether it has changed */
+ regmap_update_bits_check(mpcs->regmap, SGMSYS_PCS_ADVERTISE,
+ SGMII_ADVERTISE, advertise, &changed);
+
/* Setup SGMIISYS with the determined property */
if (interface != PHY_INTERFACE_MODE_SGMII)
mtk_pcs_setup_mode_force(mpcs, interface);
@@ -90,7 +101,7 @@ static int mtk_pcs_config(struct phylink
regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL,
SGMII_PHYA_PWD, 0);
- return 0;
+ return changed;
}
static void mtk_pcs_restart_an(struct phylink_pcs *pcs)
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