[PATCH v2 01/10] devm-helpers: introduce devm_mutex_init

Andy Shevchenko andy.shevchenko at gmail.com
Thu Dec 7 23:02:29 AEDT 2023

On Thu, Dec 7, 2023 at 1:23 AM George Stark <gnstark at salutedevices.com> wrote:
> On 12/7/23 01:37, Christophe Leroy wrote:
> > Le 06/12/2023 à 23:14, Christophe Leroy a écrit :


> > Looking at it closer, I have the feeling that you want to do similar to
> > devm_gpio_request() in linux/gpio.h :
> >
> > In linux/mutex.h, add a prototype for devm_mutex_init() when
> > CONFIG_DEBUG_MUTEXES is defined and an empty static inline otherwise.
> > Then define devm_mutex_init() in kernel/locking/mutex-debug.c
> Yes, this would be almost perfect decision. BTW just as in linux/gpio.h
> we wouldn't have to include whole "linux/device.h" into mutex.h, only
> add forward declaration of struct device;

In case you place it into a C-file. Otherwise you need a header for
the API and that is not acceptable for mutex.h.

With Best Regards,
Andy Shevchenko

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