linux-kernel - Re: [PATCH 07/40] soc/tegra: pmc: Implement tegra_io_pad_is

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Message-ID: <20180809122226.GS21639@ulmo>
Date:   Thu, 9 Aug 2018 14:22:26 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Aapo Vienamo <avienamo@...dia.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Mikko Perttunen <mperttunen@...dia.com>,
        Stefan Agner <stefan@...er.ch>, devicetree@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mmc@...r.kernel.org
Subject: Re: [PATCH 07/40] soc/tegra: pmc: Implement tegra_io_pad_is_powered()

On Wed, Aug 01, 2018 at 07:31:57PM +0300, Aapo Vienamo wrote:
> Implement a function to query whether a pad is in deep power down mode.
> This will is needed by the pinctrl callbacks.

"This is needed..."

> 
> Signed-off-by: Aapo Vienamo <avienamo@...dia.com>
> Acked-by: Jon Hunter <jonathanh@...dia.com>
> ---
>  drivers/soc/tegra/pmc.c | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
> index 393ca72..784c182 100644
> --- a/drivers/soc/tegra/pmc.c
> +++ b/drivers/soc/tegra/pmc.c
> @@ -1075,6 +1075,22 @@ int tegra_io_pad_power_disable(enum tegra_io_pad id)
>  }
>  EXPORT_SYMBOL(tegra_io_pad_power_disable);
>  
> +static int tegra_io_pad_is_powered(enum tegra_io_pad id)
> +{
> +	unsigned long request, status;
> +	u32 mask;
> +	u32 value;

These can go on a single line.

Thierry

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