Messages in this thread | | | Date | Tue, 6 Nov 2012 11:39:04 +0200 | From | Mika Westerberg <> | Subject | Re: [PATCH 1/3] gpio / ACPI: add ACPI support |
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On Mon, Nov 05, 2012 at 03:40:14PM +0100, Linus Walleij wrote: > > I forgot to mention that we want to hook up _existing_ drivers to those things, > > and they already use the global GPIO numbers, don't they? > > Yes they do, usually this is either passed from the platform using platform > data or handled by device tree lookups to individual drivers. > > So you will have to modify each such existing driver to do ACPI > probe akin to the DT codepath and call acpi_get_gpio() on every pin they > need going forward. But that is the plan I guess.
Yes, that's the plan.
Do you think it is OK to go with this implementation (acpi_get_gpio()) for now? We will try to make sure that the gpio_get() (or whatever it will be called that time) supports ACPI as well.
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