Re: [PATCH] gpio: Initialize the irqchip valid_mask with a callback

[Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>]

On Wed, Sep 04, 2019 at 04:01:04PM +0200, Linus Walleij wrote:
> After changing the valid_mask for the struct gpio_chip
> to detect the need and presence of a valid mask with the
> presence of a .init_valid_mask() callback to fill it in,
> we augment the gpio_irq_chip to use the same logic.
> 
> Switch all driver using the gpio_irq_chio valid_mask
> over to this new method.
> 
> This makes sure the valid_mask for the gpio_irq_chip gets
> filled in when we add the gpio_chip, which makes it a
> little easier to switch over drivers using the old
> way of setting up gpio_irq_chip over to the new method
> of passing the gpio_irq_chip along with the gpio_chip.
> (See drivers/gpio/TODO for details.)
> 
> Cc: Patrice Chotard <patrice.chotard@xxxxxx>
> Cc: Andrew Lunn <andrew@xxxxxxx>
> Cc: Andrew Jeffery <andrew@xxxxxxxx>
> Cc: Joel Stanley <joel@xxxxxxxxx>
> Cc: Thierry Reding <treding@xxxxxxxxxx>
> Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
> Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Cc: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> ---
> All is compile tested on top of the gpio "devel" branch.
> 
> Andy: I guess this would collide with my attempted
> rewrites of some Intel-related drivers, we can either
> merge this first and I will rebase and resend the
> other changes, or you can send me a pull request
> if you think some of my changes are working and I
> will instead rebase this on top of that, thanks.
> 
> Hans de Goede: I actually think that patch
> 48057ed1840fde9239b1e000bea1a0a1f07c5e99
> "gpio: Fix irqchip initialization order" fixes the
> issues you saw with the rewrite of int0002 earlier,
> and we suggested setting up the mask as part of the
> chip addition then, but this change is nice to have
> anyways.
> ---
>  drivers/gpio/gpio-aspeed.c                 | 13 ++++---
>  drivers/gpio/gpio-stmpe.c                  | 36 +++++++++++++------
>  drivers/gpio/gpio-tqmx86.c                 | 21 ++++++-----
>  drivers/gpio/gpiolib.c                     | 12 ++++---
>  drivers/pinctrl/intel/pinctrl-baytrail.c   | 16 ++++++++-
>  drivers/pinctrl/intel/pinctrl-cherryview.c | 42 +++++++++++++---------

For Intel pinctrl driver changes,

Acked-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>