Re: Issues with bcm2835-host: let firmware manage the clock divisor

Sun, 14 May 2023 11:55:09 -0700 

Hi Nuno,

Am 14.05.23 um 14:06 schrieb Nuno Gonçalves:

Hi, after 85bdd28d2bb0827f311913e00e4e338f8e4e6565 (bcm2835-host: let
firmware manage the clock divisor), Linux fails to start the eMMC memory on
a CM3 most times (but it sometimes also works).


thanks for your report.



I am using Linux mainline and I wonder if this assumes the change in which
this was based also needs to be used in Linux?



Yes, this is very likely. But how can U-Boot assume that at least Linux 
is booting afterwards. How about the other OSes with devicetree support?




In that case I would think it's fair to revert until it comes to mainline.



Actually from the original commit i wasn't able to see a real benefit 
from the change. Shorter boot time?




Thanks,
Nuno






















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