Messages in this thread | | | Date | Mon, 27 Oct 2014 16:44:02 -0600 | From | Stephen Warren <> | Subject | Re: [PATCH v2] pinctrl: bcm2835: Start GPIO numeration at zero |
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On 10/27/2014 04:09 PM, Matthias Klein wrote: > Numerate the GPIOs from 0..53 instead of 202..255.
What's the motivation for this? The GPIO IDs should all come from DT, which encodes everything as an ID relative to a particular controllers, and hence the actual value of the base address should be irrelevant.
> diff --git a/drivers/pinctrl/pinctrl-bcm2835.c b/drivers/pinctrl/pinctrl-bcm2835.c
> @@ -382,7 +382,7 @@ static struct gpio_chip bcm2835_gpio_chip = {
> - .base = -1, > + .base = 0,
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