linux-kernel - [PATCH net-next] phy: lan966x: add support for QUSGMII

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Date:   Fri, 26 Aug 2022 16:17:22 +0200
From:   Maxime Chevallier <maxime.chevallier@...tlin.com>
To:     davem@...emloft.net
Cc:     Maxime Chevallier <maxime.chevallier@...tlin.com>,
        linux-phy@...ts.infradead.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>,
        Russell King <linux@...linux.org.uk>,
        UNGLinuxDriver@...rochip.com, thomas.petazzoni@...tlin.com
Subject: [PATCH net-next] phy: lan966x: add support for QUSGMII

Makes so that the serdes driver also takes QUSGMII in consideration.
It's configured exactly as QSGMII as far as the serdes driver is
concerned.

Signed-off-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
---

Dear netdev and Generic PHY maintainers,

This patch should go through the net-next tree instead of the generic
PHY tree, as it has a dependency on :

5e61fe157a27 "net: phy: Introduce QUSGMII PHY mode"

This commits only lives in the net-next tree as of today.

Given the simplicity of this patch, would that be OK for you ?

Thanks,

Maxime

 drivers/phy/microchip/lan966x_serdes.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/phy/microchip/lan966x_serdes.c b/drivers/phy/microchip/lan966x_serdes.c
index e86a879b92b5..d1a50fa81130 100644
--- a/drivers/phy/microchip/lan966x_serdes.c
+++ b/drivers/phy/microchip/lan966x_serdes.c
@@ -401,6 +401,9 @@ static int serdes_set_mode(struct phy *phy, enum phy_mode mode, int submode)
 	    submode == PHY_INTERFACE_MODE_2500BASEX)
 		submode = PHY_INTERFACE_MODE_SGMII;
 
+	if (submode == PHY_INTERFACE_MODE_QUSGMII)
+		submode = PHY_INTERFACE_MODE_QSGMII;
+
 	for (i = 0; i < ARRAY_SIZE(lan966x_serdes_muxes); i++) {
 		if (macro->idx != lan966x_serdes_muxes[i].idx ||
 		    mode != lan966x_serdes_muxes[i].mode ||
-- 
2.37.2