On 06/04/2013 18:40, Fabio Estevam wrote: > Hi Dirk, > > On Sat, Apr 6, 2013 at 1:30 PM, Dirk Behme <dirk.be...@gmail.com> wrote: > >> ... but saving power over the whole (kernel) runtime. I might be wrong, but >> to my understanding the kernel doesn't *disable* unneeded clocks? >> >> So it's up to the bootloader to enable only the peripherals (clocks) really >> needed for booting. And then it's up to the kernel's driver init functions >> to enable the needed clocks for the subsystem once it's needed. >> >> But as I won't use this board I won't care about the power consumption here. >> If you think it's fine for the use cases of this board to enable all clocks >> by default, then this shouldn't stop applying this patch. > > Ok, understood. I will go through each one of the CCM registers and > check what clocks can be turned off. > > This may take some time though as it needs proper testing. > > I suggest that we keep the current clock settings as is, so that the > board support can reach U-boot, then later I can submit a patch for > turning off the unneeded clocks.
+1 Best regards, Stefano -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sba...@denx.de ===================================================================== _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
