[PATCH 5.15 100/691] net: stmmac: dwmac-loongson: Init ref and PTP clocks rate

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5.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Yanteng Si <siyanteng@xxxxxxxxxxx>

[ Upstream commit c70f3163681381c15686bdd2fe56bf4af9b8aaaa ]

Reference and PTP clocks rate of the Loongson GMAC devices is 125MHz.
(So is in the GNET devices which support is about to be added.) Set
the respective plat_stmmacenet_data field up in accordance with that
so to have the coalesce command and timestamping work correctly.

Fixes: 30bba69d7db4 ("stmmac: pci: Add dwmac support for Loongson")
Signed-off-by: Feiyang Chen <chenfeiyang@xxxxxxxxxxx>
Signed-off-by: Yinggang Gu <guyinggang@xxxxxxxxxxx>
Reviewed-by: Serge Semin <fancer.lancer@xxxxxxxxx>
Acked-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>
Signed-off-by: Yanteng Si <siyanteng@xxxxxxxxxxx>
Tested-by: Serge Semin <fancer.lancer@xxxxxxxxx>
Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
index da7b5d26a5897..da2e68d616225 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
@@ -35,6 +35,9 @@ static int loongson_default_data(struct plat_stmmacenet_data *plat)
 	/* Disable RX queues routing by default */
 	plat->rx_queues_cfg[0].pkt_route = 0x0;
 
+	plat->clk_ref_rate = 125000000;
+	plat->clk_ptp_rate = 125000000;
+
 	/* Default to phy auto-detection */
 	plat->phy_addr = -1;
 
-- 
2.43.0







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