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.
