Re: [PATCH 0/4] pch_uart: Cleanups, board quirks, and user uartclkparameter

[Darren Hart]

On 02/21/2012 08:26 PM, Tomoya MORINAGA wrote:
> 2012年2月22日12:36 Darren Hart <dvhart@xxxxxxxxxxxxxxx>:
>> This patch series allows for a functional early serial console as well
>> as using the UART after boot. It leaves the CM-iTC board alone. So this
>> seems to enable all use cases, while forcing 192MHz breaks the FRI2
>> early serial console. I don't see an advantage to that approach other
>> than the obviously simpler code (which is nice, but should not trump
>> functionality).
> 
> Your quark "Fish River Island II" is OK.
> My concern is default uart_clock remains 1.8432 MHz.
> Like I said the advantage before, I think this should be 192MHz not 1.8432 MHz.
> 
> Or do you have any reason 1.8432 MHz should be set as PCH_UART default  clock.

Ah, that's a good point. We can add a patch to this series that sets the
default to 192MHz, drops the CM-iTC quirk, and does nothing in pch_phub
probe for the FRI2. Would you care to Ack this series and then follow-up
with a patch set the default clock to 192MHz?

-- 
Darren Hart
Intel Open Source Technology Center
Yocto Project - Linux Kernel
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