[lkml]   [2019]   [Apr]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH V7 2/4] firmware: imx: enable imx scu general irq function
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 <>
> Reviewed-by: Dong Aisheng <>

Applied, thanks.

 \ /
  Last update: 2019-04-11 09:33    [W:0.098 / U:1.652 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site