This is a note to let you know that I've just added the patch titled
net: ethernet: mtk_eth_soc: Always call mtk_gmac0_rgmii_adjust() for mt7623
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-ethernet-mtk_eth_soc-always-call-mtk_gmac0_rgmii.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 6fb662633a67fbb0800b5b17b2e2885ea8864273
Author: René van Dorst <opensource@xxxxxxxxxx>
Date: Thu Jul 23 20:07:10 2020 +0100
net: ethernet: mtk_eth_soc: Always call mtk_gmac0_rgmii_adjust() for mt7623
[ Upstream commit 19016d93bfc335f0c158c0d9e3b9d06c4dd53d39 ]
Modify mtk_gmac0_rgmii_adjust() so it can always be called.
mtk_gmac0_rgmii_adjust() sets-up the TRGMII clocks.
Signed-off-by: René van Dorst <opensource@xxxxxxxxxx>
Signed-off-By: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
Tested-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 997dc811382a4..be390c7e43b2f 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -171,11 +171,21 @@ static int mt7621_gmac0_rgmii_adjust(struct mtk_eth *eth,
return 0;
}
-static void mtk_gmac0_rgmii_adjust(struct mtk_eth *eth, int speed)
+static void mtk_gmac0_rgmii_adjust(struct mtk_eth *eth,
+ phy_interface_t interface, int speed)
{
u32 val;
int ret;
+ if (interface == PHY_INTERFACE_MODE_TRGMII) {
+ mtk_w32(eth, TRGMII_MODE, INTF_MODE);
+ val = 500000000;
+ ret = clk_set_rate(eth->clks[MTK_CLK_TRGPLL], val);
+ if (ret)
+ dev_err(eth->dev, "Failed to set trgmii pll: %d\n", ret);
+ return;
+ }
+
val = (speed == SPEED_1000) ?
INTF_MODE_RGMII_1000 : INTF_MODE_RGMII_10_100;
mtk_w32(eth, val, INTF_MODE);
@@ -262,10 +272,9 @@ static void mtk_mac_config(struct phylink_config *config, unsigned int mode,
state->interface))
goto err_phy;
} else {
- if (state->interface !=
- PHY_INTERFACE_MODE_TRGMII)
- mtk_gmac0_rgmii_adjust(mac->hw,
- state->speed);
+ mtk_gmac0_rgmii_adjust(mac->hw,
+ state->interface,
+ state->speed);
/* mt7623_pad_clk_setup */
for (i = 0 ; i < NUM_TRGMII_CTRL; i++)
