Hi Laurent, On Sat, Feb 27, 2016 at 2:53 AM, Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> wrote: > After rebasing this series on top of Simon's latest devel branch, I'm > experiencing hard system freezes when using the VSP. Is this due to the rebasing? Did it work in renesas-drivers-2016-02-16-v4.5-rc4 or renesas-drivers-2016-02-23-v4.5-rc5? > What makes the problem curious is that PM runtime works fine when the VSP > instances are probed, the A3VP power domain is turned on and off correctly for > each instance. However, after booting the system, if I try to RPM resume the > device, the system hangs. > > I've traced this (using printk debugging) down to the SYSCISCR write in > rcar_sysc_power(). The value written is 0x00000200, which corresponds to the > A3VP power domain, and the resume request completion wait loop doesn't time > out. So the second write to SYSCISCR in that function locks up the system? > Does this ring any bell ? Do you have a more recent version of this patch > series that I could try ? No clue, and no more recent version available yet. What do I need to reproduce this? Thanks for testing! Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html