Hi Sorry to bother you, but it seems original author mail address was updated. I will post v2 patch. > From: Dien Pham <dien.pham.ry@xxxxxxxxxxxxxxx> > > Description in HWM rev0.51E, 9.4 Usage notes, page 455 tells > > "It takes several hundreds of microseconds to shutting off and > resuming power domain. Because actual time required for > shutting off and resuming depends on the status of on-board > power line, shutoff/resume time is not guaranteed by > electrical specification" > > Let's assume the safe value of waiting is about 1000us. > > Signed-off-by: Dien Pham <dien.pham.ry@xxxxxxxxxxxxxxx> > Signed-off-by: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx> > Signed-off-by: Tho Vu <tho.vu.wh@xxxxxxxxxxx> > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > --- > drivers/pmdomain/renesas/rcar-sysc.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/pmdomain/renesas/rcar-sysc.c b/drivers/pmdomain/renesas/rcar-sysc.c > index eed47696e825..35d9aa0dfab8 100644 > --- a/drivers/pmdomain/renesas/rcar-sysc.c > +++ b/drivers/pmdomain/renesas/rcar-sysc.c > @@ -45,10 +45,10 @@ > #define PWRER_OFFS 0x14 /* Power Shutoff/Resume Error */ > > > -#define SYSCSR_TIMEOUT 100 > +#define SYSCSR_TIMEOUT 1000 > #define SYSCSR_DELAY_US 1 > > -#define PWRER_RETRIES 100 > +#define PWRER_RETRIES 1000 > #define PWRER_DELAY_US 1 > > #define SYSCISR_TIMEOUT 1000 > -- > 2.25.1 >
