unable to find function definition

[Jay Aurabind]

On 27 April 2016 at 07:05, John de la Garza <john at jjdev.com> wrote:
> On Tue, Apr 26, 2016 at 02:00:02PM +0530, Jay Aurabind wrote:
>> On 20 April 2016 at 12:56, Cihangir Akturk <cakturk at gmail.com> wrote:
>> > On Wed, Apr 20, 2016 at 06:17:38AM +0000, Nijam Haider wrote:
>> >> i was going through the code leds-gpio.c.
>> >> i found a function "platform_gpio_blink_set" declared under private data of
>> >> "gpio_led_data",and was trying to get through this function. But hardly i can
>> >> find any link to definition for the same anywhere.
>> >
>> > Hi,
>> >
>> > That is a function pointer, so you should search assignments to
>> > that pointer. That way you can find the real function you are
>> > looking for.
>>
>> I've spotted such usages in a lot of places, outside the kernel as
>> well. Just wanted know if there is a smarted way of finding the
>> assignments, like some tools or any other tips which people could use
>> to make life easier ?
>
> I've been able to print the address of the functions (once it has
> been assigned), then check the System.map for the function name.

Thank you all for the smart answers!

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Thanks and Regards,
Aurabindo J