Re: [PATCH v6 01/18] dmaengine: sh: rz-dmac: Move interrupt request after everything is set up

[Claudiu Beznea]

On 5/26/26 11:54, Biju Das wrote:
> Hi Claudiu,
>
> > -----Original Message-----
> > From: Claudiu Beznea <claudiu.beznea@xxxxxxxxxx>
> > Sent: 26 May 2026 09:47
> > Subject: [PATCH v6 01/18] dmaengine: sh: rz-dmac: Move interrupt request after everything is set up
> >
> > From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
> >
> > Once the interrupt is requested, the interrupt handler may run immediately.
>
> Do you mean spurious interrupt?
>
> After DMA driver probe only, consumer device can access the DMA handle
> right? or am I missing something here?

In theory there could be pending interrupts not yet served (e.g. due to the 
previous usage of the controller, HW behavior, etc). Those could trigger the 
execution of the IRQ handler once the interrupt is requested.

--
Thank you,
Claudiu