linux-kernel - [PATCH 4.15 154/163] ARM: dts: exynos: fix RTC interrupt for exynos5410

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Message-Id: <20180221124538.500512611@linuxfoundation.org>
Date:   Wed, 21 Feb 2018 13:49:43 +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, Arnd Bergmann <arnd@...db.de>,
        Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 4.15 154/163] ARM: dts: exynos: fix RTC interrupt for exynos5410

4.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@...db.de>

commit 5628a8ca14149ba4226e3bdce3a04c3b688435ad upstream.

According to the comment added to exynos_dt_pmu_match[] in commit
8b283c025443 ("ARM: exynos4/5: convert pmu wakeup to stacked domains"),
the RTC is not able to wake up the system through the PMU on Exynos5410,
unlike Exynos5420.

However, when the RTC DT node got added, it was a straight copy of
the Exynos5420 node, which now causes a warning from dtc.

This removes the incorrect interrupt-parent, which should get the
interrupt working and avoid the warning.

Fixes: e1e146b1b062 ("ARM: dts: exynos: Add RTC and I2C to Exynos5410")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/boot/dts/exynos5410.dtsi |    1 -
 1 file changed, 1 deletion(-)

--- a/arch/arm/boot/dts/exynos5410.dtsi
+++ b/arch/arm/boot/dts/exynos5410.dtsi
@@ -333,7 +333,6 @@
 &rtc {
 	clocks = <&clock CLK_RTC>;
 	clock-names = "rtc";
-	interrupt-parent = <&pmu_system_controller>;
 	status = "disabled";
 };