Hi, * Deepa Raj <draj187@xxxxxxxxxxx> [140904 08:59]: > > 1) Which register in omap3 (as you said dps works in OMAP3) that will > be configured to enable dps and slm? Hardware enters deeper idle states automatically when configured properly, see commits 3b8c4ebb7630, 9eca2837dd69 and c46f601cc2a0. Also see the recent changes to drivers/mfd/twl4030-power.c. > 2) I was working on OMAP3, I disabled TIDSP bridge driver mpu side as > we do not need IVA2. IVA2 powerdomain was always on during boot and > if the system is idle, it keeps on always on where I was expecting it > will move to low power state (checked the transitions from pm_dbg/count). > During suspend to RAM also , IVA2 was always on (hundred %s sure no > body is using it as mputidspbridge driver is always disabled). Why is > it always on or do it needs some configuration. Since it was not going > low power state, so I manually powered it off.Is there register > configuration that i am missing so it will enter into low power state > automatically, otherwise why it is always on even it is not being used? IVA2 needs to be idled always, see commit 2d403f7b1981. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
