On Wed, 2017-09-06 at 23:58 +0200, Hauke Mehrtens wrote:
>
> > This I don't understand - you said it's hard to do for <3.19, and
> > then
> > make a simple no-op for all, but don't do it for <3.19 at all?
> >
> > Why not just LINUX_VERION_LESS(4,13,0)?
>
> struct acpi_gpio_mapping was added to kernel 3.19. We could add here
> a dummy struct acpi_gpio_mapping, but the drivers anyway need more
> adjustments to compile properly.
Ok.
> > > +#define devm_acpi_dev_add_driver_gpios
> > > LINUX_BACKPORT(devm_acpi_dev_add_driver_gpios)
> > > +static inline int devm_acpi_dev_add_driver_gpios(struct device
> > > *dev,
> > > + const struct acpi_gpio_mapping
> > > *gpios)
> > > +{
> > > + return -ENXIO;
> > > +}
> > > +#endif /* LINUX_VERSION_IN_RANGE(4,19,0, 4,13,0) */
>
> This should be
> +#endif /* LINUX_VERSION_IN_RANGE(3,19,0, 4,13,0) */
Right. I'll fix this and apply then.
johannes
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