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SubjectRe: [PATCH v3 4/4] Input: add Apple SPI keyboard and trackpad driver.
On Wed, Mar 27, 2019 at 07:45:26PM +0100, Greg Kroah-Hartman wrote:
> On Wed, Mar 27, 2019 at 11:35:30AM +0200, Andy Shevchenko wrote:
> > On Tue, Mar 26, 2019 at 06:48:07PM -0700, 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.
> >
> > > +// SPDX-License-Identifier: GPL-2.0
> >
> > According to last changes this should be GPL-2.0-only
>
> What "last changes"? "GPL-2.0" is a totally valid SPDX identifier for
> the kernel. Don't buy into the "-only" prefix crud that the newer SPDX
> version adopted for crazy reasons. The in-kernel documentation lists
> the valid identifiers and the version of SPDX we are currently using.

Thanks for this clarification.

// offtopic

Bartosz, so, it seems my first mail has been a correct one: in-kernel
documentation clarifies things for kernel.

// offtopic

--
With Best Regards,
Andy Shevchenko


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