| Message ID | 20220217235703.26641-11-ansuelsmth@gmail.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Multiple addition and improvement to ipq8064 gcc | expand |
On Thu 17 Feb 17:56 CST 2022, Ansuel Smith wrote: > Add clk_rcg_floor_ops for clock that can't provide a stable freq and > require to use a floor freq to provide the requested frequency. > Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> > Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> > --- > drivers/clk/qcom/clk-rcg.c | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/drivers/clk/qcom/clk-rcg.c b/drivers/clk/qcom/clk-rcg.c > index a9d181d6be21..88845baa7f84 100644 > --- a/drivers/clk/qcom/clk-rcg.c > +++ b/drivers/clk/qcom/clk-rcg.c > @@ -526,6 +526,19 @@ static int clk_rcg_set_rate(struct clk_hw *hw, unsigned long rate, > return __clk_rcg_set_rate(rcg, f); > } > > +static int clk_rcg_set_floor_rate(struct clk_hw *hw, unsigned long rate, > + unsigned long parent_rate) > +{ > + struct clk_rcg *rcg = to_clk_rcg(hw); > + const struct freq_tbl *f; > + > + f = qcom_find_freq_floor(rcg->freq_tbl, rate); > + if (!f) > + return -EINVAL; > + > + return __clk_rcg_set_rate(rcg, f); > +} > + > static int clk_rcg_bypass_set_rate(struct clk_hw *hw, unsigned long rate, > unsigned long parent_rate) > { > @@ -816,6 +829,17 @@ const struct clk_ops clk_rcg_ops = { > }; > EXPORT_SYMBOL_GPL(clk_rcg_ops); > > +const struct clk_ops clk_rcg_floor_ops = { > + .enable = clk_enable_regmap, > + .disable = clk_disable_regmap, > + .get_parent = clk_rcg_get_parent, > + .set_parent = clk_rcg_set_parent, > + .recalc_rate = clk_rcg_recalc_rate, > + .determine_rate = clk_rcg_determine_rate, > + .set_rate = clk_rcg_set_floor_rate, > +}; > +EXPORT_SYMBOL_GPL(clk_rcg_floor_ops); > + > const struct clk_ops clk_rcg_bypass_ops = { > .enable = clk_enable_regmap, > .disable = clk_disable_regmap, > -- > 2.34.1 >
diff --git a/drivers/clk/qcom/clk-rcg.c b/drivers/clk/qcom/clk-rcg.c index a9d181d6be21..88845baa7f84 100644 --- a/drivers/clk/qcom/clk-rcg.c +++ b/drivers/clk/qcom/clk-rcg.c @@ -526,6 +526,19 @@ static int clk_rcg_set_rate(struct clk_hw *hw, unsigned long rate, return __clk_rcg_set_rate(rcg, f); } +static int clk_rcg_set_floor_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_rcg *rcg = to_clk_rcg(hw); + const struct freq_tbl *f; + + f = qcom_find_freq_floor(rcg->freq_tbl, rate); + if (!f) + return -EINVAL; + + return __clk_rcg_set_rate(rcg, f); +} + static int clk_rcg_bypass_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { @@ -816,6 +829,17 @@ const struct clk_ops clk_rcg_ops = { }; EXPORT_SYMBOL_GPL(clk_rcg_ops); +const struct clk_ops clk_rcg_floor_ops = { + .enable = clk_enable_regmap, + .disable = clk_disable_regmap, + .get_parent = clk_rcg_get_parent, + .set_parent = clk_rcg_set_parent, + .recalc_rate = clk_rcg_recalc_rate, + .determine_rate = clk_rcg_determine_rate, + .set_rate = clk_rcg_set_floor_rate, +}; +EXPORT_SYMBOL_GPL(clk_rcg_floor_ops); + const struct clk_ops clk_rcg_bypass_ops = { .enable = clk_enable_regmap, .disable = clk_disable_regmap,
Add clk_rcg_floor_ops for clock that can't provide a stable freq and require to use a floor freq to provide the requested frequency. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> --- drivers/clk/qcom/clk-rcg.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)