On Mon, Jan 04, 2016 at 09:17:35AM -0600, Suravee Suthikulpanit wrote:
> 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: Mika Westerberg <mika.westerb...@linux.intel.com>
> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpa...@amd.com>
> Tested-by: Loc Ho <l...@apm.com> 
> ---
> Note: This has been tested on AMD Seattle RevB for both DT and ACPI.
> Changes from V3 (https://lkml.org/lkml/2015/12/22/596):
>     * Add i2c_dw_plat_prepare_clk() per Andy's suggestion
>     * Add tested-by Loc Ho.

The changes from V3 are big enough that I'd appreciate a new Tested-by

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