linux-kernel - [PATCH 4.19 37/47] ARM: dts: s3c64xx: Fix init order of clock providers

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Message-Id: <20191219182939.224882575@linuxfoundation.org>
Date:   Thu, 19 Dec 2019 19:34:51 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Lihua Yao <ylhuajnu@...look.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 4.19 37/47] ARM: dts: s3c64xx: Fix init order of clock providers

From: Lihua Yao <ylhuajnu@...look.com>

commit d60d0cff4ab01255b25375425745c3cff69558ad upstream.

fin_pll is the parent of clock-controller@...0f000, specify
the dependency to ensure proper initialization order of clock
providers.

without this patch:
[    0.000000] S3C6410 clocks: apll = 0, mpll = 0
[    0.000000]  epll = 0, arm_clk = 0

with this patch:
[    0.000000] S3C6410 clocks: apll = 532000000, mpll = 532000000
[    0.000000]  epll = 24000000, arm_clk = 532000000

Cc: <stable@...r.kernel.org>
Fixes: 3f6d439f2022 ("clk: reverse default clk provider initialization order in of_clk_init()")
Signed-off-by: Lihua Yao <ylhuajnu@...look.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@...sung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/boot/dts/s3c6410-mini6410.dts |    4 ++++
 arch/arm/boot/dts/s3c6410-smdk6410.dts |    4 ++++
 2 files changed, 8 insertions(+)

--- a/arch/arm/boot/dts/s3c6410-mini6410.dts
+++ b/arch/arm/boot/dts/s3c6410-mini6410.dts
@@ -165,6 +165,10 @@
 	};
 };
 
+&clocks {
+	clocks = <&fin_pll>;
+};
+
 &sdhci0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&sd0_clk>, <&sd0_cmd>, <&sd0_cd>, <&sd0_bus4>;
--- a/arch/arm/boot/dts/s3c6410-smdk6410.dts
+++ b/arch/arm/boot/dts/s3c6410-smdk6410.dts
@@ -69,6 +69,10 @@
 	};
 };
 
+&clocks {
+	clocks = <&fin_pll>;
+};
+
 &sdhci0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&sd0_clk>, <&sd0_cmd>, <&sd0_cd>, <&sd0_bus4>;