>-----Original Message----- >From: linux-omap-owner@xxxxxxxxxxxxxxx >[mailto:linux-omap-owner@xxxxxxxxxxxxxxx] On Behalf Of ext Kevin Hilman >Sent: 04.02.2009 08:10 >To: Ramesh Gupta Guntha >Cc: linux-omap@xxxxxxxxxxxxxxx >Subject: Re: PM branch updates: 3430sdp and omap3evm results > >Ramesh Gupta Guntha <grgupta77@xxxxxxxxx> writes: > >> Kevin, >> >> >> On 2/4/09, Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx> wrote: >>> Ramesh Gupta Guntha <grgupta77@xxxxxxxxx> writes: >>> >>> > Hi, >>> > >>> > I am able to resolve all other issues with this pm branch except >>> > one issue, >>> > >>> > I am not able to enable the iva2 clock once system is >suspended and >>> > resumed, I am getting below messages. >>> >> >>> >> <3>clock: dpll2_ck failed transition to 'locked' >>> >> clock: dpll2_ck failed transition to 'locked' >>> >> <3>clock: dpll2_ck failed transition to 'locked' >>> >> clock: dpll2_ck failed transition to 'locked' >>> > >>> > Once after booting ( without adding bridgedriver/ installing >>> > bridgedriver) >>> > CM_CLKEN_PLL_IVA2 value shows as 0x37 indicates IVA2 DPLL >in locked mode. >>> > >>> > once after system suspend the value is not restored I am seeing >>> > that as >>> > 0x11 indicates IVA2 DPLL is low power stop mode. >>> > >>> > Can any one please provide your inputs on the above >error? I tried >>> > reconfiguring the CM_CLKEN_PLL_IVA2 to lock mode but still I am >>> > seeing the same messages as above while enabling iva2 clock. >>> >>> Are you suspending into retention or off-mode? >> >> I am suspending into Off mode. >> > >Do you see this problem when only going into retention? > >If not, sounds like we're missing some registers being >saved/restored across off-mode. This remids me about another issue which is with DPLL5. ROM code is not currently saving/restoring that. Maybe there is similar situation with DPLL2. > >Kevin >-- >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 > -- 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
