Re: [PATCH resend 1/2] clk: tegra: remove USB from clk init table

[Prashant Gaikwad <pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>]

On Monday 15 April 2013 11:17 PM, Stephen Warren wrote:
> On 04/15/2013 01:31 AM, Lucas Stach wrote:
>> The USB clocks are just clock gates, so no need to set a specific clock.
>> In fact trying to set a specific clock is just a NOP if the requested
>> clockrate is the same as those of the parent (clk_m) or will trigger a
>> WARN_ON() if rates don't match up.
>>
>> As we are not setting a specific rate, nor activating the clocks at
>> init, there is no point in keeping the the usb entries in the clock init
>> table.
> Peter, Prashant, I'd like to confirm that the usb* clocks really do have
> clk_m as their parent; we're sure they aren't driven by the 12MHz PLL_U
> output?
>
> Either way, I guess it's safe to take this patch since the clock would
> be fixed rate; I'd just like to make sure the clock driver is accurate.

These are controller clocks and are not driven by PLL_U.