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SubjectRE: [EXT] Re: [PATCH V7 2/4] firmware: imx: enable imx scu general irq function
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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/

Best Regards!
Anson Huang

> -----Original Message-----
> From: Shawn Guo [mailto:shawnguo@kernel.org]
> Sent: 2019年4月11日 15:33
> To: Anson Huang <anson.huang@nxp.com>
> Cc: robh+dt@kernel.org; mark.rutland@arm.com; s.hauer@pengutronix.de;
> kernel@pengutronix.de; festevam@gmail.com; a.zummo@towertech.it;
> alexandre.belloni@bootlin.com; Aisheng Dong <aisheng.dong@nxp.com>;
> ulf.hansson@linaro.org; sboyd@kernel.org; Peng Fan <peng.fan@nxp.com>;
> Daniel Baluta <daniel.baluta@nxp.com>; devicetree@vger.kernel.org; linux-
> kernel@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux-
> rtc@vger.kernel.org; dl-linux-imx <linux-imx@nxp.com>
> Subject: [EXT] Re: [PATCH V7 2/4] firmware: imx: enable imx scu general irq
> function
>
> WARNING: This email was created outside of NXP. DO NOT CLICK links or
> attachments unless you recognize the sender and know the content is safe.
>
>
>
> 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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