Re: [PATCH] drivers/leds: don't use module_init in non-modular leds-cobalt-raq.c

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Hi Paul,

On 06/16/2015 12:12 AM, Paul Gortmaker wrote:
This file is built for a bool Kconfig variable, and hence this
code is either present or absent.  It currently can never be
modular, so using module_init as an alias for __initcall can be
somewhat misleading.

Fix this up now, so that we can relocate module_init from
init.h into module.h in the future.  If we don't do this, we'd
have to add module.h to obviously non-modular code, and that
would be a worse thing.

Note that direct use of __initcall is discouraged, vs. one
of the priority categorized subgroups.  As __initcall gets
mapped onto device_initcall, our use of device_initcall
directly in this change means that the runtime impact is
zero -- it will remain at level 6 in initcall ordering.

And since it can't be modular, we remove all the __exitcall
stuff related to module_exit() -- it is dead code that won't
ever be executed.

Cc: Bryan Wu <cooloney@xxxxxxxxx>
Cc: Richard Purdie <rpurdie@xxxxxxxxx>
Cc: Jacek Anaszewski <j.anaszewski@xxxxxxxxxxx>
Cc: linux-leds@xxxxxxxxxxxxxxx
Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
---
[
  To be appended to the branch content originally sent as:
  "Replace module_init with device_initcall in non modules"
  https://lkml.kernel.org/r/1432860493-23831-1-git-send-email-paul.gortmaker@xxxxxxxxxxxxx
]

  drivers/leds/leds-cobalt-raq.c | 15 +--------------
  1 file changed, 1 insertion(+), 14 deletions(-)

Acked-by: Jacek Anaszewski <j.anaszewski@xxxxxxxxxxx>

--
Best Regards,
Jacek Anaszewski
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