>-----Original Message----- >From: [email protected] [mailto:linux- >[email protected]] On Behalf Of Mike Frysinger >Sent: Thursday, December 18, 2008 8:30 PM >To: Robin Getz >Cc: [email protected]; [email protected] >Subject: Re: [Linux-kernel-commits] >[5893]trunk/arch/blackfin/kernel/setup.c: rewriteget_sclk()/get_vco() based >on the assumption sclk/vco neverchanges (since today it cannot) > >On Thu, Dec 18, 2008 at 14:26, Robin Getz wrote: >> On Thu 18 Dec 2008 14:18, [email protected] pondered: >> >>> + /* The assumption here is that SCLK never changes at runtime. >>> + * If, someday, we support that, then we'll have to change this. >>> + */ >>> + if (cached_sclk) >>> + return cached_sclk; >>> + >> >> While I think VCO is OK - I'm not sure about this one... >> >> >http://docs.blackfin.uclinux.org/doku.php?id=power_management_support&s []=s >clk#power_dissipation_consumption >> >> specifically talks about standby setting VCO/CCLK/SCLK to 3MHz.... > >that's while in standby ... code isnt running >-mike
Everything get's restored after return from standby. And as Mike said everything is atomic during that period. -Michael >_______________________________________________ >Linux-kernel-commits mailing list >[email protected] >http://blackfin.uclinux.org/mailman/listinfo/linux-kernel-commits _______________________________________________ Linux-kernel-commits mailing list [email protected] http://blackfin.uclinux.org/mailman/listinfo/linux-kernel-commits
