linux-kernel - [PATCHv2 2/2] clk: meson: g12a: set cpub_clk flags to CLK_IS

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Message-Id: <20200302125310.742-3-linux.amoon@gmail.com>
Date:   Mon,  2 Mar 2020 12:53:09 +0000
From:   Anand Moon <linux.amoon@...il.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     Kevin Hilman <khilman@...libre.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org
Subject: [PATCHv2 2/2] clk: meson: g12a: set cpub_clk flags to CLK_IS_CRITICAL

On Odroid n2, cpub_clk is not geting enable, which lead the stalling
at booting of the device, updating flags to CLK_IS_CRITICAL which help
enable all the parent for cpub_clk.

Fixes: ffae8475b90c (clk: meson: g12a: add notifiers to handle cpu clock change);
Cc: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: Jerome Brunet <jbrunet@...libre.com>
Cc: Neil Armstrong <narmstrong@...libre.com>
Suggested-by: Neil Armstrong <narmstrong@...libre.com>
Signed-off-by: Anand Moon <linux.amoon@...il.com>
---
Previous changes
	fix the commit $subject and $message as previously I was
        wrong on the my findings.
        Added the Fixed tags to the commit.

Following Neil's suggestion, I have prepared this patch.
https://patchwork.kernel.org/patch/11177441/#22964889
---
 drivers/clk/meson/g12a.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/meson/g12a.c b/drivers/clk/meson/g12a.c
index d2760a021301..7237d08b4112 100644
--- a/drivers/clk/meson/g12a.c
+++ b/drivers/clk/meson/g12a.c
@@ -681,7 +681,7 @@ static struct clk_regmap g12b_cpub_clk = {
 			&g12a_sys_pll.hw
 		},
 		.num_parents = 2,
-		.flags = CLK_SET_RATE_PARENT,
+		.flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
 	},
 };
 
-- 
2.25.1