Re: [PATCH v2 6/6] gpiolib: add support for software nodes

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On Wed, Nov 09, 2022 at 11:08:07AM -0800, Dmitry Torokhov wrote:
> On Wed, Nov 09, 2022 at 01:20:46PM +0200, Andy Shevchenko wrote:
> > On Tue, Nov 08, 2022 at 04:26:51PM -0800, Dmitry Torokhov wrote:

...

> > > +	pr_debug("%s: parsed '%s' property of node '%pfwP[%d]' - status (%d)\n",
> > > +		 __func__, propname, fwnode, idx, PTR_ERR_OR_ZERO(desc));
> > 
> > %pe ?
> 
> "/* %pe with a non-ERR_PTR gets treated as plain %p */".
> 
> I do not think users are interested in the address on success.

Hmm... Perhaps we can teach %pe to behave differently with, e.g. %pe0,
modification. But this is another story. So, let's go with your variant.

...

> > > +#include <dt-bindings/gpio/gpio.h>
> > 
> > Not sure why we have this here.
> 
> For convenience - so that users have access to GPIO_ACTIVE_HIGH/
> GPIO_ACTIVE_LOW and other flags.

Okay, would we make this as a guarantee then?

In such case a comment before this inclusion should be added to explain why
we do that without any actual user to be present in the header file.

-- 
With Best Regards,
Andy Shevchenko





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