Re: [GIT PULL] bulk GPIO changes for v3.19
From: Linus Walleij
Date: Fri Dec 12 2014 - 05:20:06 EST
On Thu, Dec 11, 2014 at 8:34 PM, Linus Torvalds
> On Tue, Dec 9, 2014 at 1:09 AM, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
>> here is the bulk of GPIO changes for the v3.19 kernel series.
>> The major external change is the new API to driver several GPIOs
>> simultaneously, and the major internal change is that we're getting
>> rid of a static array of GPIO descriptors and again moving away,
>> slowly, from the global GPIO numberspace.
> This does not build for me.
> The gpio-mcp23s08.c driver now has a "chip.of_node" access outside of
> #ifdef CONFIG_OF, resulting in
> drivers/gpio/gpio-mcp23s08.c: In function âmcp23s08_probe_oneâ:
> drivers/gpio/gpio-mcp23s08.c:658:57: error: âstruct gpio_chipâ has
> no member named âof_nodeâ
> mcp->irq_active_high = of_property_read_bool(mcp->chip.of_node,
Grr how could I miss this. I'll fix up stuff.
> Should it be using "mcp->chip.dev->of_node" instead? Or should the
> driver just depend on OF?
The former I think, the driver has only optional DT support.
I will fix up and send a new pull request when finished.
Maybe I should not have the of_node inside #ifdef CONFIG_OF in
the gpio_chip and just keep it around like we do in struct device,
that makes for less #ifdef clutter.
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