[PATCH v4 5/7] clk: Introduce davinci clocks
David Lechner
david at lechnology.com
Thu Jan 4 09:47:07 PST 2018
On 1/4/18 6:43 AM, Sekhar Nori wrote:
> Hi David,
>
> On Monday 01 January 2018 05:09 AM, David Lechner wrote:
>> + /* TODO: old davinci clocks for da850 set MDCTL_FORCE bit for sata and
>> + * dsp here. Is this really needed?
>> + */
>
> The commit that introduced this flag suggests so.
>
> commit aad70de20fc69970a3080e7e8f02b54a4a3fe3e6
> Author: Sekhar Nori <nsekhar at ti.com>
> AuthorDate: Wed Jul 6 06:01:22 2011 +0000
> Commit: Sekhar Nori <nsekhar at ti.com>
> CommitDate: Fri Jul 8 11:10:09 2011 +0530
>
> davinci: enable forced transitions on PSC
>
> Some DaVinci modules like the SATA on DA850
> need forced module state transitions.
>
> Define a "force" flag which can be passed to
> the PSC config function to enable it to make
> forced transitions.
>
> Forced transitions shouldn't normally be attempted,
> unless the TRM explicitly specifies its usage.
>
> ChangeLog:
> v2:
> Modified to take care of the fact that
> davinci_psc_config() now takes the flags
> directly.
>
> Signed-off-by: Sekhar Nori <nsekhar at ti.com>
>
> I can check without that flag again, but I do recall it being needed.
>
OK, I will add it back. I need to add some other flags as well anyway.
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