Messages in this thread | | | From | Andy Shevchenko <> | Date | Mon, 12 Jun 2017 12:29:32 +0300 | Subject | Re: [PATCH v1 2/3] gpio: Add support for TPS68470 GPIOs |
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On Mon, Jun 12, 2017 at 12:17 PM, Mani, Rajmohan <rajmohan.mani@intel.com> wrote: >> Subject: Re: [PATCH v1 2/3] gpio: Add support for TPS68470 GPIOs >> On Sun, Jun 11, 2017 at 7:50 PM, Sakari Ailus <sakari.ailus@iki.fi> wrote: >> > On Sun, Jun 11, 2017 at 04:40:16PM +0300, Andy Shevchenko wrote: >> >> On Sun, Jun 11, 2017 at 2:30 PM, Sakari Ailus <sakari.ailus@iki.fi> wrote:
>> >> > Again, I'm not really worried about this driver, but the ACPI >> >> > tables. How does the difference show there? >> >> >> >> Same way. You will have common numbering over the chip [0, 9]. It >> >> will be just an abstraction inside the driver.
>> > Sounds fine to me, taken that this does not add complications to ACPI >> > tables. >> >> They just need to share the same ACPI_HANDLE (it might require to do this in >> generic way in gpiolib) and have a continuous numbering (easy to achieve with >> carefully chosen bases).
> Few clarifications... > > Are you implying new kernel changes are needed in gpiolib to accommodate 2 GPIO chips?
Might be needed. It should be investigated first. In any case it would be somelike oneliner.
> Does it need changes in platform firmware or is it expected to work just with the gpiolib changes that you described above?
No firmware changes are implied.
-- With Best Regards, Andy Shevchenko
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