Re: [PATCH v3 1/9] Input: pmic8xxx-pwrkey - Migrate to regmap APIs

[Josh Cartwright]

On Wed, Feb 26, 2014 at 11:05:54AM -0800, Stephen Boyd wrote:
> Use the regmap APIs for this driver instead of custom pm8xxx
> APIs. This breaks this driver's dependency on the pm8xxx APIs and
> allows us to easily port it to other bus protocols in the future.
> 
> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> ---
>  drivers/input/misc/pmic8xxx-pwrkey.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/input/misc/pmic8xxx-pwrkey.c b/drivers/input/misc/pmic8xxx-pwrkey.c
> index 0e1a05f95858..cf6125dc3b51 100644
> --- a/drivers/input/misc/pmic8xxx-pwrkey.c
> +++ b/drivers/input/misc/pmic8xxx-pwrkey.c
> @@ -120,6 +120,10 @@ static int pmic8xxx_pwrkey_probe(struct platform_device *pdev)
>  		return -ENOMEM;
>  	}
>  
> +	regmap = dev_get_regmap(pdev->dev.parent, NULL);
> +	if (!regmap)
> +		return -ENODEV;
> +

This looks really weird.  A previous version of patch was included in
v3.14-rc1 (1e63bd9cc4), which already included a very similar hunk...

Maybe the fact that the hunk isn't identical is why a rebase didn't drop
it (and instead, now if this gets merged, we'll have unnecessary
duplication).

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