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SubjectRe: [PATCH] net: mediatek: Explicitly include pinctrl headers
On Mon, Feb 5, 2018 at 8:08 PM, Thierry Reding <> wrote:
> On Mon, Feb 05, 2018 at 08:02:40PM +0100, Linus Walleij wrote:
>> On Mon, Feb 5, 2018 at 6:59 PM, Thierry Reding <> wrote:
>> > Anyway, I think going with the pinctrl/devinfo.h include only is fine
>> > for now. If it turns out that the Mediatek ethernet and Rockchip LVDS
>> > drivers can just omit the bits fiddling with struct dev_pin_info, we can
>> > swap out the pinctrl/devinfo.h include for pinctrl/consumer.h at that
>> > time.
>> >
>> > LinusW: what are your thoughts on the struct dev_pin_info usage by these
>> > drivers? Does their code seem redundant to you, too?
>> I don't think they should use struct dev_pin_info at all,
>> that thing is for the device core only.
>> I like to think that <linux/pinctrl/consumer.h> is for drivers that
>> explicitly grab and control pin control states so this driver should
>> only include <linux/pinctrl/consumer.h>.
>> Torvalds: can you do it like that instead? Either way will
>> make the compile work again, we can also tidy it up later.
>> (i.e. I will grep for includes of pinctrl/dev_info.h and replace
>> it with consumer.h) at some point.
> That won't work, unfortunately, because these drivers actually try to
> dereference pointers to struct dev_pin_info and hence need that include
> for the structure's definition. Those are the only two drivers I can see
> that access this structure directly (other than the device core).

Grrr OK I thought I was aiming for encapsulation here but then
what can I do, sigh.

Linus Walleij

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