ramips: mtk_eth_soc: wait longer after FE core reset to settle

Enabling the FE core too early causes the system to hang during boot
uncondtionally, after the reset is released. Increate it to 1-1.2ms
range.

Fixes: 60fadae62b64 ("ramips: ethernet: ralink: move reset of the esw into the esw instead of fe")
Signed-off-by: Maxim Anisimov <maxim.anisimov.ua@gmail.com>
[Split previous commit, provide rationale]
Signed-off-by: Lech Perczak <lech.perczak@gmail.com>
(cherry picked from commit 7eb0458c1f7e4f681b16d2721cfc3fcb69774c95)
Signed-off-by: Lech Perczak <lech.perczak@gmail.com>

diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.c
index 78b17605d276c7b65cf4ef6d5f0c71ca7e900ad9..dab8a173f75e3a6475eb3ccfd820551ecc01316a 100644 (file)
--- a/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.c
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.c
@@ -149,7 +149,7 @@ void fe_reset_fe(struct fe_priv *priv)
        reset_control_assert(priv->resets);
        usleep_range(60, 120);
        reset_control_deassert(priv->resets);
-       usleep_range(60, 120);
+       usleep_range(1000, 1200);
 }
 
 static inline void fe_int_disable(u32 mask)