linux-kernel - Re: [PATCH] mailbox: tegra: relax TEGRA_HSP

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Date:   Tue, 13 Mar 2018 14:36:58 +0100
From:   Thierry Reding <treding@...dia.com>
To:     Arnd Bergmann <arnd@...db.de>
CC:     Jassi Brar <jassisinghbrar@...il.com>,
        Mikko Perttunen <mperttunen@...dia.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mailbox: tegra: relax TEGRA_HSP_MBOX Kconfig dependencies

On Tue, Mar 13, 2018 at 01:11:43PM +0100, Arnd Bergmann wrote:
> With the addition of the ARCH_TEGRA_194_SOC driver, we get a new Kconfig warning:
> 
> warning: (ARCH_TEGRA_186_SOC && ARCH_TEGRA_194_SOC) selects TEGRA_HSP_MBOX which has unmet direct dependencies (MAILBOX && ARCH_TEGRA_186_SOC)
> 
> It looks like the dependency is a bit too strict here, allowing the driver to
> be built for any Tegra chip avoids the problem.
> 
> Fixes: 6f9ed07fde03 ("soc/tegra: Add Tegra194 SoC configuration option")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/mailbox/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

The HSP does not exist on any chip prior to Tegra186, which is what the
dependency reflects. However, I agree that there is little point for an
exact list of per-chip dependencies. We don't really support non-multi-
platform kernels anymore, or at least they don't get any testing, so
relaxing the dependency is fine with me.

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

Thanks for fixing this,
Thierry

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