linux-kernel - Re: [PATCH] ARM: exynos: only build mcpm support if used

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Message-ID: <20190621181242.GA18341@kozik-lap>
Date:   Fri, 21 Jun 2019 20:12:42 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Kukjin Kim <kgene@...nel.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Russell King <linux@...linux.org.uk>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Tomasz Figa <tomasz.figa@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: exynos: only build mcpm support if used

On Wed, Jun 19, 2019 at 02:55:29PM +0200, Arnd Bergmann wrote:
> We get a link error for configurations that enable an exynos
> SoC that does not require mcpm, but then manually enable
> mcpm anyway wihtout also turning on the arm-cci:
> 
> arch/arm/mach-exynos/mcpm-exynos.o: In function `exynos_pm_power_up_setup':
> mcpm-exynos.c:(.text+0x8): undefined reference to `cci_enable_port_for_self'
> 
> Change it back to only build the code we actually need, by
> introducing a CONFIG_EXYNOS_MCPM that serves the same purpose
> as the older CONFIG_EXYNOS5420_MCPM.
> 
> Fixes: 2997520c2d4e ("ARM: exynos: Set MCPM as mandatory for Exynos542x/5800 SoCs")

Thanks, applied.

Best regards,
Krzysztof