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SubjectRE: [EXT] Re: [PATCH V7 2/4] firmware: imx: enable imx scu general irq function
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> From: Anson Huang
> Sent: Friday, April 12, 2019 9:06 AM
>
> Hello, Alexandre
> As i.MX SCU general irq function is picked up by Shawn, could you please
> also pick up below i.MX SC RTC alarm support patch ?
> https://patchwork.kernel.org/patch/10890525/
>

No, it can't go through Alexandre's tree due to dependency issue.

Shawn,
Do you think you can pick it up? Alexandre already gave the Ack.

AFAIK there's no other SCU RTC patches since v5.1-rc1 in Alexandre's tree.

Regards
Dong Aisheng

> > On Tue, Apr 09, 2019 at 04:59:55AM +0000, Anson Huang wrote:
> > > The System Controller Firmware (SCFW) controls RTC, thermal and WDOG
> > > etc., these resources' interrupt function are managed by SCU. When
> > > any IRQ pending, SCU will notify Linux via MU general interrupt
> > > channel #3, and Linux kernel needs to call SCU APIs to get IRQ
> > > status and notify each module to handle the interrupt.
> > >
> > > Since there is no data transmission for SCU IRQ notification, so
> > > doorbell mode is used for this MU channel, and SCU driver will use
> > > notifier mechanism to broadcast to every module which registers the
> > > SCU block notifier.
> > >
> > > Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> > > Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
> >
> > Applied, thanks.

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