On 9/25/20 5:10 PM, Joakim Zhang wrote: > The System Controller Firmware (SCFW) is a low-level system function > which runs on a dedicated Cortex-M core to provide power, clock, and > resource management. It exists on some i.MX8 processors. e.g. i.MX8QM > (QM, QP), and i.MX8QX (QXP, DX). > > SCU driver manages the IPC interface between host CPU and the > SCU firmware running on M4. > > For i.MX8, stop mode request is controlled by System Controller Unit(SCU) > firmware. > > Signed-off-by: Joakim Zhang <qiangqing.zhang@xxxxxxx> > --- Just for reference, this fails to build with: ERROR: modpost: "imx_scu_get_handle" [drivers/net/can/flexcan.ko] undefined! ERROR: modpost: "imx_sc_misc_set_control" [drivers/net/can/flexcan.ko] undefined! Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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