Hi Mr.Mark : I will remove the variable "psim->lock" in the next patch Li-hao Kuo Mark Brown <broonie@xxxxxxxxxx> 於 2022年4月13日 週三 下午7:32寫道: > > On Wed, Apr 13, 2022 at 09:38:00AM +0800, Li-hao Kuo wrote: > > - remove spin_lock_irq and spin_unlock_irq in the irq funciton > > It looks like this is the only use of the lock so the variable can be > removed as well?