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SubjectRe: [RFC PATCH 1/6] pinctrl: Add pinctrl_gpio_as_pin()
On Fri, Jul 23, 2021 at 9:59 AM Andrew Jeffery <andrew@aj.id.au> wrote:

> Allow gpiochips to map the GPIO numberspace onto a pin numberspace when
> the register layout for GPIO control is implemented in terms of the
> pin numberspace.
>
> This requirement sounds kind of strange, but the patch is driven by
> trying to resolve a bug in the leds-pca955x driver where this mapping is
> not correctly performed.
>
> Signed-off-by: Andrew Jeffery <andrew@aj.id.au>

(...)

Hm this looks a bit strange...

> +int pinctrl_gpio_as_pin(struct pinctrl_dev *pctldev, unsigned int gpio)

This is not a good name for this function. Try to come up with
a name that says exactly what the function does.

E.g. "apple pear as apple slice" isn't very helpful, the use case for
this is really hard to understand.

> +EXPORT_SYMBOL_GPL(pinctrl_find_gpio_range_from_pin);

This looks completely wrong.

Yours,
Linus Walleij

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