release/5.2.40/clk-ti-dra7-fix-parent-for-gmac_clkctrl.patch

From 71da2d273b86a3e246661451dda374a64396f340 Mon Sep 17 00:00:00 2001
From: Grygorii Strashko <grygorii.strashko@ti.com>
Date: Sat, 21 Dec 2019 13:00:04 +0200
Subject: [PATCH] clk: ti: dra7: fix parent for gmac_clkctrl

commit 69e300283796dae7e8c2e6acdabcd31336c0c93e upstream.

The parent clk for gmac clk ctrl has to be gmac_main_clk (125MHz) instead
of dpll_gmac_ck (1GHz). This is caused incorrect CPSW MDIO operation.
Hence, fix it.

Fixes: dffa9051d546 ('clk: ti: dra7: add new clkctrl data')
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c
index 9dd6185a4b4e..66e4b2b9ec60 100644
--- a/drivers/clk/ti/clk-7xx.c
+++ b/drivers/clk/ti/clk-7xx.c
@@ -405,7 +405,7 @@ static const struct omap_clkctrl_bit_data dra7_gmac_bit_data[] __initconst = {
 };
 
 static const struct omap_clkctrl_reg_data dra7_gmac_clkctrl_regs[] __initconst = {
-	{ DRA7_GMAC_GMAC_CLKCTRL, dra7_gmac_bit_data, CLKF_SW_SUP, "dpll_gmac_ck" },
+	{ DRA7_GMAC_GMAC_CLKCTRL, dra7_gmac_bit_data, CLKF_SW_SUP, "gmac_main_clk" },
 	{ 0 },
 };
 
-- 
2.7.4