Messages in this thread | | | Date | Wed, 15 Jul 2015 00:04:32 +0200 | Subject | Re: [Question] How to implement GPIO driver for sparse hw numbers? | From | Linus Walleij <> |
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On Fri, Jun 19, 2015 at 5:27 AM, Masahiro Yamada <yamada.masahiro@socionext.com> wrote:
> In my understanding, the GPIO driver framework requires that > the hw numbers should be contiguous within each GPIO chip.
Yes but noone says that .request() to the driver has to succeed on every GPIO so just cover all GPIOs from 0 to 307 with your GPIO chip and then implement your "holes" in the GPIO range from 0 to 307 by letting .request() fail.
Yours, Linus Walleij
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