[U-Boot] [PATCH 3/3] mx6sl: Add initial support for mx6slevk board
Fabio Estevam
festevam at gmail.com
Sat Apr 6 18:40:54 CEST 2013
Hi Dirk,
On Sat, Apr 6, 2013 at 1:30 PM, Dirk Behme <dirk.behme at 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.
Thanks,
Fabio Estevam
More information about the U-Boot
mailing list