lkml.org 
[lkml]   [2019]   [Aug]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v9 01/15] clk: tegra20/30: Add custom EMC clock implementation
From
Date
30.07.2019 19:56, Dmitry Osipenko пишет:
> A proper External Memory Controller clock rounding and parent selection
> functionality is required by the EMC drivers, it is not available using
> the generic clock implementation because only the Memory Controller driver
> is aware of what clock rates are actually available for a particular
> device. EMC drivers will have to register a Tegra-specific CLK-API
> callback which will perform rounding of a requested rate. EMC clock users
> won't be able to request EMC clock by getting -EPROBE_DEFER until EMC
> driver is probed and the callback is set up.
>
> The functionality is somewhat similar to the clk-emc.c which serves
> Tegra124+ SoCs. The later HW generations support more parent clock sources
> and the HW configuration / integration with the EMC drivers differs a tad
> from the older gens, hence it's not really worth to try to squash
> everything into a single source file.
>
> Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---

Hello Stephen and Michael,

The clk-driver changes are quite solid now, could you please take a look
at the relevant patches once again and give an ACK if everything is good
to you?

\
 
 \ /
  Last update: 2019-08-01 13:12    [W:2.074 / U:0.484 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site