Re: [PATCH] gpio: Drop CONFIG_DEBUG_GPIO

From: Bartosz Golaszewski
Date: Tue Mar 22 2022 - 10:50:00 EST


On Tue, Mar 22, 2022 at 3:38 PM Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
>
> On Fri, Mar 11, 2022 at 4:55 AM Brian Norris <briannorris@xxxxxxxxxxxx> wrote:
>
> ...
>
> > Description: it says nothing about enabling extra printk()s. But -DDEBUG
> > does just that; it turns on every dev_dbg()/pr_debug() that would
> > otherwise be silent.
>
> Which is what some and I are using a lot during development.
>

AFAIK this: https://www.kernel.org/doc/local/pr_debug.txt is the right
way to do it?

https://www.kernel.org/doc/local/pr_debug.txt

This doesn't mention adding Kconfig options just to enable debug messages.

> ...
>
> > -ccflags-$(CONFIG_DEBUG_GPIO) += -DDEBUG
> > -
>
> NAK to this change.
>
> I'm not against enabling might_sleep() unconditionally.
>

These are already controlled by CONFIG_DEBUG_ATOMIC_SLEEP, no? Or
maybe I can't parse that double negation.

Bart