Re: [PATCH v3 0/4] gpio: driver for the RPi3 GPIO expander

[Baruch Siach <baruch@xxxxxxxxxx>]

Hi Stefan,

On Wed, Feb 07, 2018 at 10:33:24AM +0100, Stefan Wahren wrote:
> Am 06.02.2018 um 17:27 schrieb Baruch Siach:
> > On Tue, Feb 06, 2018 at 02:42:48PM +0100, Linus Walleij wrote:
> >> On Tue, Jan 16, 2018 at 1:45 PM, Baruch Siach <baruch@xxxxxxxxxx> wrote:
> >>
> >>> The Raspberry Pi 3 has a GPIO expander that controls, among others, the
> >>> activity LED, and the camera connector GPIOs. The GPIO expander on an I2C bus
> >>> that is not directly controlled from the ARM core. The VC4 firmware controls
> >>> the I2C bus, and allows the ARM core to set/get GPIO settings over its mailbox
> >>> interface.
> >>>
> >>> This series adds support for the RPi3 expander.
> >>>
> >>> The driver is ported from the downstream kernel at
> >>> https://github.com/raspberrypi/linux/, branch rpi-4.9.y.
> >>>
> >>> Changes in v3:
> >>>
> >>>   * Kconfig tweaks
> >>>   * Check rpi_exp_gpio_get_polarity() return value
> >>>   * Redundant header removal
> >>>   * Redundant platform_set_drvdata() call removal
> >>>   * Small coding style changes
> >> All is looking pretty good. I see Rob had some last minute comments,
> >> but please rebase and repost post v4.16-rc1 so we can get this merged,
> >> we need to get this upstream.
> > I was about to send v4 when I saw your email. I based v4 on current LinusT's 
> > tree as of e237f98a9c. I guess that affected files will not change before 
> > v4.16-rc1, but I can wait a few more days for -rc1.
>
> please also address the owner issue in the driver, which was reported by
> kbuild test robot.

I removed the .owner platform_driver field set from v4. The owner field in 
gpio_chip is still set.

baruch

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