Re: [RESEND] serial: 8250_bcm7271: move spin_lock_irqsave to spin_lock in interrupt handler

[Greg KH]

On Mon, Aug 22, 2022 at 10:11:10PM +0800, Tuo Cao wrote:
> it is unnecessary to call spin_lock_irqsave in a interrupt handler.

Yes, but it is safer to do so, right?

Why is this change needed?

Did you test it on real hardware to verify it works?

We need a lot more information in the changelog text before being able
to accept this.

thanks,

greg k-h