Re: [PATCH v3 1/4] i2c: spacemit: configure ILCR for accurate SCL frequency

Troy Mitchell
2025-12-26T07:54:39Z

> > > +static int spacemit_i2c_clk_set_rate(struct clk_hw *hw, unsigned long rate,
> > > + unsigned long parent_rate)
> > > +{
> > > + struct spacemit_i2c_dev *i2c = container_of(hw, struct spacemit_i2c_dev, scl_clk_hw);
> > > + u32 lv, lcr, mask, shift, max_lv;
> > > +
> > > + lv = DIV_ROUND_UP(parent_rate, rate);
> >
> > Would DIV_ROUND_CLOSEST() give a more accurate value?
> I'll test it.
Same result. So I'll keep it.

- Troy