linux-kernel - Re: [PATCH 1/5] PM / Domains: Export symbol for genpd_dev_pm_attach_by

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Date:   Wed, 26 Sep 2018 16:09:47 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Jon Hunter <jonathanh@...dia.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Kevin Hilman <khilman@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Thierry Reding <thierry.reding@...il.com>,
        DTML <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-tegra@...r.kernel.org
Subject: Re: [PATCH 1/5] PM / Domains: Export symbol for genpd_dev_pm_attach_by_name

On 26 September 2018 at 14:27, Jon Hunter <jonathanh@...dia.com> wrote:
> Export the symbol for genpd_dev_pm_attach_by_name() so that drivers
> built as modules can call this function.
>
> Signed-off-by: Jon Hunter <jonathanh@...dia.com>
> ---
>  drivers/base/power/domain.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
> index 4b5714199490..b2bbe0d848d2 100644
> --- a/drivers/base/power/domain.c
> +++ b/drivers/base/power/domain.c
> @@ -2397,6 +2397,7 @@ struct device *genpd_dev_pm_attach_by_name(struct device *dev, char *name)
>
>         return genpd_dev_pm_attach_by_id(dev, index);
>  }
> +EXPORT_SYMBOL_GPL(genpd_dev_pm_attach_by_name);

Driver's shouldn't be calling this function, but instead use
dev_pm_domain_attach_by_name().

Is there any problem with that?

[...]

Kind regards
Uffe