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SubjectRe: [PATCH 2/2] Input: add Apple SPI keyboard and trackpad driver.
On Mon, Feb 04, 2019 at 12:19:47AM -0800, Ronald Tschalär wrote:
> The keyboard and trackpad on recent MacBook's (since 8,1) and
> MacBookPro's (13,* and 14,*) are attached to an SPI controller instead
> of USB, as previously. The higher level protocol is not publicly
> documented and hence has been reverse engineered. As a consequence there
> are still a number of unknown fields and commands. However, the known
> parts have been working well and received extensive testing and use.
> In order for this driver to work, the proper SPI drivers need to be
> loaded too; for MB8,1 these are spi_pxa2xx_platform and spi_pxa2xx_pci;
> for all others they are spi_pxa2xx_platform and intel_lpss_pci. For this
> reason enabling this driver in the config implies enabling the above
> drivers.

> + tristate "Apple SPI keyboard and trackpad"

> + depends on (X86 && ACPI && SPI) || COMPILE_TEST

COMPILE_TEST more or less makes sense in conjunction with architecture selection.
It means, your code always dependant to ACPI and SPI frameworks.
That's why 0day complained.

> + imply SPI_PXA2XX
> + imply SPI_PXA2XX_PCI
> + help
> + Say Y here if you are running Linux on any Apple MacBook8,1 or later,
> + or any MacBookPro13,* or MacBookPro14,*.
> +
> + To compile this driver as a module, choose M here: the
> + module will be called applespi.

With Best Regards,
Andy Shevchenko

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