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From:   Alexey Brodkin <alexey.brodkin@synopsys.com>
To:     Sasha Levin <sashal@kernel.org>
CC:     "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "Daniel Lezcano" <daniel.lezcano@linaro.org>,
        Vineet Gupta <vineet.gupta1@synopsys.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        "stable@vger.kernel.org" <stable@vger.kernel.org>,
        "stable@vger.kernel.org" <stable@vger.kernel.org>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        "tglx@linutronix.de" <tglx@linutronix.de>
Subject: RE: [PATCH 12/25] clocksource/drivers/arc_timer: Utilize generic
 sched_clock
Thread-Topic: [PATCH 12/25] clocksource/drivers/arc_timer: Utilize generic
 sched_clock
Thread-Index: AQHUlxjF4FO4119X5karFtXFtVnSK6WFNFiAgACQkJA=
Date:   Wed, 19 Dec 2018 09:06:08 +0000
Message-ID: <4881796E12491D4BB15146FE0209CE64681B27E8@DE02WEMBXB.internal.synopsys.com>
References: <20181218212844.30445-12-daniel.lezcano@linaro.org>
 <20181219012457.EC02721871@mail.kernel.org>
In-Reply-To: <20181219012457.EC02721871@mail.kernel.org>
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Hi Sasha,

> -----Original Message-----
> From: Sasha Levin [mailto:sashal@kernel.org]
> Sent: Wednesday, December 19, 2018 4:25 AM
> To: Sasha Levin <sashal@kernel.org>; Daniel Lezcano <daniel.lezcano@linar=
o.org>; Alexey Brodkin <alexey.brodkin@synopsys.com>;
> tglx@linutronix.de
> Cc: linux-kernel@vger.kernel.org; Daniel Lezcano <daniel.lezcano@linaro.o=
rg>; Vineet Gupta <vineet.gupta1@synopsys.com>;
> Thomas Gleixner <tglx@linutronix.de>; stable@vger.kernel.org; stable@vger=
.kernel.org
> Subject: Re: [PATCH 12/25] clocksource/drivers/arc_timer: Utilize generic=
 sched_clock
>=20
> Hi,
>=20
> [This is an automated email]
>=20
> This commit has been processed because it contains a -stable tag.
> The stable tag indicates that it's relevant for the following trees: all
>=20
> The bot has tested the following trees: v4.19.10, v4.14.89, v4.9.146, v4.=
4.168, v3.18.130,
>=20
> v4.19.10: Build OK!
> v4.14.89: Failed to apply! Possible dependencies:
>     Unable to calculate

Here we just need a bit updated hunk due to missing [1] which was only intr=
oduced in v4.15:
-------------------------->8------------------------
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -299,6 +299,7 @@ config CLKSRC_MPS2
 config ARC_TIMERS
        bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_T=
EST
        depends on GENERIC_CLOCKEVENTS
+       depends on GENERIC_SCHED_CLOCK
        select TIMER_OF
        help
          These are legacy 32-bit TIMER0 and TIMER1 counters found on all A=
RC cores
-------------------------->8------------------------

> v4.9.146: Failed to apply! Possible dependencies:
> v4.4.168: Failed to apply! Possible dependencies:
> v3.18.130: Failed to apply! Possible dependencies:

Everything below v4.10 we'll need to drop as ARC timers were only imported =
in v4.10, see [2].

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/comm=
it/?id=3D2f8a26c166eba01382765bc2fa575387e41079ac
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/comm=
it/?id=3Dc4c9a040ecb7297e011e579f5a9cc280e42d725f

-Alexey