linux-kernel - Re: [PATCH] soc/tegra: pmc: Drop SMP dependency from CPU APIs

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Message-ID: <20181213160746.GA13531@ulmo>
Date:   Thu, 13 Dec 2018 17:07:46 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Stephen Boyd <sboyd@...nel.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Jon Hunter <jonathanh@...dia.com>,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] soc/tegra: pmc: Drop SMP dependency from CPU APIs

On Thu, Dec 13, 2018 at 02:09:01AM -0800, Stephen Boyd wrote:
> Quoting Jon Hunter (2018-12-13 01:46:14)
> > When CONFIG_SMP is disabled, the tegra clk driver now fails to build:
> > 
> > drivers/clk/tegra/clk-tegra30.c: In function ‘tegra30_cpu_rail_off_ready’:
> > drivers/clk/tegra/clk-tegra30.c:1151:2: error: implicit declaration of function ‘tegra_pmc_cpu_is_powered’ [-Werror=implicit-function-declaration]
> >   cpu_pwr_status = tegra_pmc_cpu_is_powered(1) ||
> >     ^
> > Fix the above error by removing the CONFIG_SMP ifdef around the
> > declaration around the PMC CPU APIs because although these are not
> > needed for non-SMP configurations, there is no harm in including these
> > for non-SMP builds either.
> > 
> > Fixes: 61866523ed6e ("clk: tegra30: Use Tegra CPU powergate helper function")
> > Reported-by: Arnd Bergmann <arnd@...db.de>
> > Signed-off-by: Jon Hunter <jonathanh@...dia.com>
> 
> Can I pick this into clk tree? That would make the compilation bisection
> hole very small. I could even reorder the clk-tegra branch to have this
> before the user so the bisection hole doesn't exist.

Fine with me:

Acked-by: Thierry Reding <treding@...dia.com>

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