how to put in higher priority a thread in rt-kernel?

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Hello,

I have a mission critical job (reading some I2C and turning on/off some GPIOs) running inside a thread of my rt-kernel. This thread is created by my driver (create_singlethread_workqueue). How can I put this thread in highest priority? In other words, is there an equivalent of sched_setscheduler for thread inside the kernel?

Thanks in advance for any advice,

Grégoire

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