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SubjectRe: [PATCH v2 1/5] x86: clk: Add config option to enable 48MHz fixed fch clk
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Quoting Ajit Kumar Pandey (2021-10-12 03:36:08)
> At present 48MHz clk support is only enabled for RV architecture
> using "is-rv" device property initialized from boot loader. This
> limit 48MHz fixed clock gate support to RV platform unless we add
> similar device property in boot loader for other architecture.
>
> Add Kernel config option to enable 48MHz fixed clk gate registration
> with clock framework. This enahanced flexibility to enable 48MHz fch
> clock support on any platforms by simply enabling kernel config. Also
> replace RV with FIXED as generic naming convention across platforms.

What do we do if I enable CLK_FIXED_FCH in Kconfig but don't populate
the 48MHz clk? It's always present so this isn't actually a problem?
Why does the bootloader set an 'is-rv' property at all?

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