RE: [PATCH 2/2] firmware: imx: MU IRQ group number should be 7

From: Anson Huang
Date: Thu Apr 23 2020 - 22:36:29 EST




> -----Original Message-----
> From: Aisheng Dong <aisheng.dong@xxxxxxx>
> Sent: 2020å4æ24æ 10:33
> To: Anson Huang <anson.huang@xxxxxxx>; shawnguo@xxxxxxxxxx;
> s.hauer@xxxxxxxxxxxxxx; kernel@xxxxxxxxxxxxxx; festevam@xxxxxxxxx;
> ben.dooks@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx
> Cc: dl-linux-imx <linux-imx@xxxxxxx>
> Subject: RE: [PATCH 2/2] firmware: imx: MU IRQ group number should be 7
>
> > From: Anson Huang <Anson.Huang@xxxxxxx>
> > Sent: Friday, April 24, 2020 7:07 AM
> >
> > The MU IRQ group number should be 7 instead of 4.
> >
> > Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
>
> Are we using others IRQ group?
> If not, this change may slow down the irq handling speed.

The irq handling is using work queue, NOT in ISR, so the speed is NOT that sensitive.
The scu group irq driver should provide full functions, as other drivers using it may enable
the group they want.

Anson