you can use Asynchronous notification  , FASYNC .

http://www.makelinux.net/ldd3/chp-6-sect-4

Regards,
Nilesh


On Tue, Jan 28, 2014 at 9:47 PM, Vishwanath Govind <
[email protected]> wrote:

> You can implement irq handler in spi driver itself. SPI specific platform
> data can pass it from board file.
> Regards
> Vishwa
>
>
> On Tue, Jan 28, 2014 at 9:24 PM, Richard Weinberger <[email protected]>wrote:
>
>> Am 28.01.2014 15:12, schrieb Amit Mahadik:
>> > Thanks Richard. One more question. If I register an SPI irq  struct
>> spi_board_info spi_board_info[] structure in machine board.c file; then the
>> request irq api and irq handler
>> > should be written in board.c file or in the spidev driver.
>>
>> Never do any programming in the board file.
>> The purpose if the board file it describing the hardware.
>> Please note, board files go away, device tree is the way to go.
>>
>> Thanks,
>> //richard
>>
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