Re: [PATCH] gpio: drop unnecessary includes from include/linux/gpio/driver.h

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Tue, Jul 4, 2017 at 12:06 PM, Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> On Tue, 2017-07-04 at 12:53 +0900, Masahiro Yamada wrote:
>> Some of include directives in include/linux/gpio/driver.h are
>> unneeded because the header does not need to know the content of
>> struct device, irq_chip, etc.  Just declare they are structures.
>>
>> On the other hand, <linux/irqhandler.h> and <linux/spinlock_types.h>
>> turned out to be necessary for irq_flow_handler_t and spinlock_t,
>> respectively.
>>
>> Each driver should include what it needs without relying on what is
>> implicitly included from <linux/gpio/driver.h>.  This will cut down
>> unnecessary header parsing.
>
> If Linus is okay with the following proposal I would rather go with it,
> i.e. logical split the series to
>
> 1. Fix IRQ related headers inclusion
> 2. Fix pinconf-generic.h inclusion
> 3. Fix OF headers inclusion (btw, of_gpio.h is not enough there?)

That works fine with me, but also one big patch actually, I do not
want to make it too much work to refactor obviously incorrect things.

As soon as we have rough consensus on this and the build robot
are happy I will apply it to GPIO and also pull it into the pinctrl
subsystem.

Yours,
Linus Walleij
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