On Mon, Jan 11, 2021 at 5:20 PM Max Krummenacher <max.oss...@gmail.com> wrote: > > When the kernel is configured to use the Thumb-2 instruction set > "suspend-to-memory" fails to resume. Observed on a Colibri iMX6ULL > (i.MX 6ULL) and Apalis iMX6 (i.MX 6Q). > > It looks like the CPU resumes unconditionally in ARM instruction mode > and then chokes on the presented Thumb-2 code it should execute. > > Fix this by using the arm instruction set for all code in > suspend-imx6.S. > > Signed-off-by: Max Krummenacher <max.krummenac...@toradex.com> Acked-by: Oleksandr Suvorov <oleksandr.suvo...@toradex.com> > > --- > > arch/arm/mach-imx/suspend-imx6.S | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/mach-imx/suspend-imx6.S > b/arch/arm/mach-imx/suspend-imx6.S > index 1eabf2d2834be..e06f946b75b96 100644 > --- a/arch/arm/mach-imx/suspend-imx6.S > +++ b/arch/arm/mach-imx/suspend-imx6.S > @@ -67,6 +67,7 @@ > #define MX6Q_CCM_CCR 0x0 > > .align 3 > + .arm > > .macro sync_l2_cache > > -- > 2.26.2 >
-- Best regards Oleksandr Suvorov cryo...@gmail.com