RE: [PATCH] tty: serial: imx: Only get second/third IRQ when there is more than one IRQ
From: Anson Huang
Date: Wed Oct 09 2019 - 05:36:48 EST
> On Wed, Oct 09, 2019 at 11:12:20AM +0300, Andy Shevchenko wrote:
> > On Wed, Oct 9, 2019 at 9:53 AM Uwe Kleine-KÃnig
> > <u.kleine-koenig@xxxxxxxxxxxxxx> wrote:
> > > The patch is fine given the changed behaviour of platform_get_irq. I
> > > wonder if it is sensible to introduce a variant of platform_get_irq
> > > (say
> > > platform_get_irq_nowarn) that behaves like __platform_get_irq does
> > > today. Then the imx driver would just call platform_get_irq_nowarn
> > > without having to check the number of available irqs first.
> > It's being discussed in parallel thread about
> > platform_get_irq_optional() which won't issue a warning.
> This is even already in 5.4-rc1 as
Great, I will send out a V2 using platform_get_irq_optional() for second/third IRQ.