Hi Sasha, On Wed, Feb 24, 2021 at 10:35 PM Sasha Levin <sashal@xxxxxxxxxx> wrote: > > From: Joakim Zhang <qiangqing.zhang@xxxxxxx> > > [ Upstream commit 812f0116c66a3ebaf0b6062226aa85574dd79f67 ] > > 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.MX8QM, stop mode request is controlled by System Controller Unit(SCU) > firmware, this patch introduces FLEXCAN_QUIRK_SETUP_STOP_MODE_SCFW quirk > for this function. > > Signed-off-by: Joakim Zhang <qiangqing.zhang@xxxxxxx> > Link: https://lore.kernel.org/r/20201106105627.31061-6-qiangqing.zhang@xxxxxxx > Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> This is adding a new feature and not fixing a bug. Why does it qualify for stable inclusion?