[openwrt/openwrt] ramips: mtk_eth_soc: wait longer after FE core reset to settle

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch openwrt-22.03:
https://git.openwrt.org/8b4b924b85e024c45592b582587dbbddbf432721

commit 8b4b924b85e024c45592b582587dbbddbf432721
Author: Maxim Anisimov <maxim.anisimov.ua at gmail.com>
AuthorDate: Sun Dec 10 16:27:32 2023 +0100

    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 at gmail.com>
    
    [Split previous commit, provide rationale]
    Signed-off-by: Lech Perczak <lech.perczak at gmail.com>
    
    (cherry picked from commit 7eb0458c1f7e4f681b16d2721cfc3fcb69774c95)
    Signed-off-by: Lech Perczak <lech.perczak at gmail.com>
---
 target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 38369d6752..35e324fbf8 100644
--- 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)