From mboxrd@z Thu Jan  1 00:00:00 1970
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1752813AbeAGKGA (ORCPT <rfc822;ralf@linux-mips.org> + 1 other);
        Sun, 7 Jan 2018 05:06:00 -0500
Received: from mail-wm0-f68.google.com ([74.125.82.68]:37408 "EHLO
        mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1752385AbeAGKF6 (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Sun, 7 Jan 2018 05:05:58 -0500
X-Google-Smtp-Source: ACJfBotTJu1bm6GUGuNP1MXCYfFQ2n2fu/RXU9iNeSoQ2Yf2iwdyYHxizet9smco9t7bof+s1Xhqvw==
Date: Sun, 7 Jan 2018 11:05:53 +0100
From: Krzysztof Kozlowski <krzk@kernel.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Kukjin Kim <kgene@kernel.org>,
        Marek Szyprowski <m.szyprowski@samsung.com>,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ARM: dts: exynos: fix RTC interrupt for exynos5410
Message-ID: <20180107100553.e5lbc7tsmo7l2xyo@kozik-lap>
References: <20171221213020.3080361-1-arnd@arndb.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <20171221213020.3080361-1-arnd@arndb.de>
User-Agent: NeoMutt/20170113 (1.7.2)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Return-Path: <linux-kernel-owner@vger.kernel.org>

On Thu, Dec 21, 2017 at 10:30:07PM +0100, Arnd Bergmann wrote:
> 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@arndb.de>
> ---
>  arch/arm/boot/dts/exynos5410.dtsi | 1 -
>  1 file changed, 1 deletion(-)
>

I reverted my commit [1] and applied yours. What is interesting... RTC
works fine in any combination (so even routing interrupts through
non-interrupt-controller PMU).

Best regards,
Krzysztof


[1] https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git/commit/?h=next/dt&id=6737b081409a4373e9d02c75aea7b916481e31b5