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

[Shawn Guo]

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@xxxxxxx>
> Reviewed-by: Dong Aisheng <aisheng.dong@xxxxxxx>

Applied, thanks.