Messages in this thread | | | From | Chen-Yu Tsai <> | Date | Mon, 14 Aug 2017 22:46:17 +0800 | Subject | Re: [linux-sunxi] [PATCH v4 2/3] clk: sunxi-ng: nkm: add support for fixed post-divider |
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On Sat, Aug 12, 2017 at 8:43 PM, Icenowy Zheng <icenowy@aosc.io> wrote: > SATA PLL on Allwinner R40 is of type (parent) * N * K / M / 6 where 6 is > the fixed post-divider. > > Add post-divider support for NKM type clock. > > Signed-off-by: Icenowy Zheng <icenowy@aosc.io> > --- > drivers/clk/sunxi-ng/ccu_nkm.c | 22 +++++++++++++++++++--- > drivers/clk/sunxi-ng/ccu_nkm.h | 2 ++ > 2 files changed, 21 insertions(+), 3 deletions(-) > > diff --git a/drivers/clk/sunxi-ng/ccu_nkm.c b/drivers/clk/sunxi-ng/ccu_nkm.c > index 44b16dc8fea6..ce7f03737ad5 100644 > --- a/drivers/clk/sunxi-ng/ccu_nkm.c > +++ b/drivers/clk/sunxi-ng/ccu_nkm.c
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> @@ -139,6 +152,9 @@ static int ccu_nkm_set_rate(struct clk_hw *hw, unsigned long rate, > unsigned long flags; > u32 reg; > > + if (nkm->common.features & CCU_FEATURE_FIXED_POSTDIV) > + rate /= nkm->fixed_post_div;
This should be
rate *= nkm->fixed_post_div;
Fixed and applied.
ChenYu
> + > _nkm.min_n = nkm->n.min ?: 1; > _nkm.max_n = nkm->n.max ?: 1 << nkm->n.width; > _nkm.min_k = nkm->k.min ?: 1;
[...]
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