[PATCH 01/13] clk: add new flag CLK_ROUNDING_FW_MANAGED

[Brian Masney]

On Thu, Feb 26, 2026 at 01:16:45PM -0500, Brian Masney wrote:
> There are some clocks where the rounding is managed by the hardware, and
> the determine_rate() clk ops is just a noop that simply returns 0. Add a
> new flag for these type of clocks, and update the clk core so that the
> determine_rate() clk op is not required when this flag is set.
> 
> Signed-off-by: Brian Masney <bmasney at redhat.com>
> 
...
> diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
> index 1cda2c78dffaff037f0f16b0f11106b63b3a746f..187f8248a9c840c701cbbba99bb7cdeef7b654ee 100644
> --- a/include/linux/clk-provider.h
> +++ b/include/linux/clk-provider.h
> @@ -32,6 +32,8 @@
>  #define CLK_OPS_PARENT_ENABLE	BIT(12)
>  /* duty cycle call may be forwarded to the parent clock */
>  #define CLK_DUTY_CYCLE_PARENT	BIT(13)
> +/* clock rate rounding is managed by firmware, don't require determine_rate */
> +#define CLK_ROUNDING_FW_MANAGED		BIT(14)

Based on a conversation in the Renesas driver change, I think we should
rename this flag to CLK_ROUNDING_NOOP. Let me know if there are any
objections, or suggestions for a better name. I'll let let this sit out
there for about a week or so before sending a v2.

Brian