Re: [PATCH] gpio: raspberrypi-ext: fix firmware dependency

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Wed, Feb 28, 2018 at 2:48 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote:

> When the firmware driver is a loadable module, the gpio driver cannot be
> built-in:
>
> drivers/gpio/gpio-raspberrypi-exp.o: In function `rpi_exp_gpio_set':
> gpio-raspberrypi-exp.c:(.text+0xb4): undefined reference to `rpi_firmware_property'
> drivers/gpio/gpio-raspberrypi-exp.o: In function `rpi_exp_gpio_get':
> gpio-raspberrypi-exp.c:(.text+0x1ec): undefined reference to `rpi_firmware_property'
> drivers/gpio/gpio-raspberrypi-exp.o: In function `rpi_exp_gpio_get_direction':
> gpio-raspberrypi-exp.c:(.text+0x360): undefined reference to `rpi_firmware_property'
> drivers/gpio/gpio-raspberrypi-exp.o: In function `rpi_exp_gpio_get_polarity':
> gpio-raspberrypi-exp.c:(.text+0x4d4): undefined reference to `rpi_firmware_property'
> drivers/gpio/gpio-raspberrypi-exp.o: In function `rpi_exp_gpio_dir_out':
> gpio-raspberrypi-exp.c:(.text+0x670): undefined reference to `rpi_firmware_property'
> drivers/gpio/gpio-raspberrypi-exp.o:gpio-raspberrypi-exp.c:(.text+0x7fc): more undefined references to `rpi_firmware_property' follow
> drivers/gpio/gpio-raspberrypi-exp.o: In function `rpi_exp_gpio_dir_in':
> drivers/gpio/gpio-raspberrypi-exp.o: In function `rpi_exp_gpio_probe':
> gpio-raspberrypi-exp.c:(.text+0x93c): undefined reference to `rpi_firmware_get'
>
> We already have a Kconfig dependency for it, but when compile-testing, it
> is disregarded.
>
> This changes the dependency so that compile-testing is only done when the
> firmware driver is completely disabled.
>
> Fixes: a98d90e7d588 ("gpio: raspberrypi-exp: Driver for RPi3 GPIO expander via mailbox service")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Baruch, are you waiting for a fixed fix or should I apply this?

It's a bit unclear from the mail chain what action I should take...

Yours,
Linus Walleij
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