Re: [PATCH v2] i2c: designware: Do not require clock when SSCN and FFCN are provided

[Suravee Suthikulanit]

On 12/16/2015 8:56 PM, Loc Ho wrote:
> Hi,
>
> > The current driver uses input clock source frequency to calculate
> > values for [SS|FS]_[HC|LC] registers. However, when booting ACPI, we do not
> > currently have a good way to provide the frequency information.
> > Instead, we can leverage the SSCN and FFCN ACPI methods, which can be used
> > to directly provide these values. So, the clock information should
> > no longer be required during probing.
> >
> > However, since clk can be invalid, additional checks must be done where
> > we are making use of it.
> >
> > Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@xxxxxxx>
> > ---
> >
> > Note: This has been tested on AMD Seattle RevB for both DT and ACPI.
>
> Tested on X-Gene hardware also.
>
> -Loc

Thanks for quick response.
Suravee
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