Re: [PATCH] leds: Add no-op gpio_led_register_device when LED subsystem is disabled

["Andrew F. Davis" <afd@ti.com>]

On 06/21/2016 02:09 AM, Jacek Anaszewski wrote:
> Hi Andrew,
> 
> This patch doesn't apply, please rebase onto recent LED tree.
> 
> On 06/21/2016 12:13 AM, Andrew F. Davis wrote:
>> Some systems use 'gpio_led_register_device' to make an in-memory copy of
>> their LED device table so the original can be removed as .init.rodata.
>> When the LED subsystem is not enabled source in the led directory is not
>> built and so this function may be undefined. Fix this here.
>>
>> Signed-off-by: Andrew F. Davis <afd@ti.com>
>> ---
>>   include/linux/leds.h | 8 ++++++++
>>   1 file changed, 8 insertions(+)
>>
>> diff --git a/include/linux/leds.h b/include/linux/leds.h
>> index d2b1306..a4a3da6 100644
>> --- a/include/linux/leds.h
>> +++ b/include/linux/leds.h
>> @@ -386,8 +386,16 @@ struct gpio_led_platform_data {
>>                                          unsigned long *delay_off);
> 
> Currently there is some stuff here, and in fact it has been for
> a long time.
> 
> Patch "[PATCH 12/12] leds: Only descend into leds directory when
> CONFIG_NEW_LEDS is set" also doesn't apply.
> What repository are you using?
> 

v4.7-rc4, it may not apply due to the surrounding lines being changed in
the other patches which may not be applied to your tree. It is a single
line change per patch so hopefully the merge conflict resolutions will
be trivial.

A better solution could have been getting an ack from each maintainer
and having someone pull the whole series into one tree, but parts have
already been picked so it may be a little late for that.

>>   };
>>
>> +#ifdef CONFIG_NEW_LEDS
>>   struct platform_device *gpio_led_register_device(
>>                  int id, const struct gpio_led_platform_data *pdata);
>> +#else
>> +static inline struct platform_device *gpio_led_register_device(
>> +               int id, const struct gpio_led_platform_data *pdata)
>> +{
>> +       return 0;
>> +}
>> +#endif
>>
>>   enum cpu_led_event {
>>          CPU_LED_IDLE_START,     /* CPU enters idle */
>>
> 
> 
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