[PATCH 1/2] at91 : move pm.h header to arch/arm/include/asm

[daniel.lezcano@linaro.org (Daniel Lezcano)]

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On 01/06/2012 06:30 PM, Arnd Bergmann wrote:
> On Friday 06 January 2012, Daniel Lezcano wrote:
>> Move the location of the pm.h header file to the include directory,
>> so it can be included from another place from the current one.
>>
>> That will allow the next patch which moves the cpuidle code to the
>> drivers/cpuidle directory.
>>
>> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
>> ---
>>  arch/arm/{mach-at91/pm.h => include/asm/at91_pm.h} |    0
>>  arch/arm/mach-at91/cpuidle.c                       |    2 +-
>>  arch/arm/mach-at91/pm.c                            |    2 +-
>>  3 files changed, 2 insertions(+), 2 deletions(-)
>>  rename arch/arm/{mach-at91/pm.h => include/asm/at91_pm.h} (100%)
> 
> Moving the driver is great, as we have previously discussed, but
> the header file does not belong into include/asm really, because it
> is too hardware specific and we are trying to keep such stuff out
> of that place.
> 
> One option would be to move the pm.c along with the cpuidle.c file,
> in particular that might turn out to be a good idea if other
> platforms have the same requirement.
> 
> Aside from that, it would be good to hear from the AT91 maintainers
> how they want to deal with the removal of CONFIG_ARCH_AT91_*
> conditionals, which AFACIT will be necessary anyway in order to allow
> building a single kernel across multiple at91 targets. Once that
> problem is solved for pm.h, the question of where to place that header
> may be resolved, too.

Mmmh, the problem will be more complex with other architectures I think.

For instance, the omap cpuidle driver includes

#include "powerdomain.h"
#include "clockdomain.h"

#include "pm.h"
#include "control.h"
#include "common.h"

These include files are used by the other .c files in the same directory.



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