threading problem

[Murali K. Vemuri]

Hello there,

I have a device driver which provides the IOCTL function for the
application to interact.

when the application sends the IOCTL CMD_GO, my driver has to toggle a
GPIO every 500 m Sec. until a 3 minute timeout occurs or a CMD_STOP
IOCTL is received.

I tried the DECLARE_WORK, DECLARE_DELAYED_WORK and also
kernel_thread() to meet this requirement with no success.

Any help is highly appreciated.

Thanks & regards
Murali
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