hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

clk: sunxi-ng: div: Switch to divider_round_rate 

divider_round_rate_parent already evaluates changing the parent rate if
CLK_SET_RATE_PARENT is set. Now that we can do that on muxes too, let's
just use it.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
This commit is contained in:
Maxime Ripard 2017-05-17 09:40:32 +02:00
parent 10a8d9b906
commit e69b2afa87
1 changed files with 4 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/clk/sunxi-ng/ccu_div.c
View File

@ -20,18 +20,11 @@ static unsigned long ccu_div_round_rate(struct ccu_mux_internal *mux,
void *data) void *data)
{ {
struct ccu_div *cd = data; struct ccu_div *cd = data;
unsigned long val;
/* return divider_round_rate_parent(&cd->common.hw, parent,
* We can't use divider_round_rate that assumes that there's rate, parent_rate,
* several parents, while we might be called to evaluate cd->div.table, cd->div.width,
* several different parents.
*/
val = divider_get_val(rate, *parent_rate, cd->div.table, cd->div.width,
cd->div.flags); cd->div.flags);
return divider_recalc_rate(&cd->common.hw, *parent_rate, val,
cd->div.table, cd->div.flags);
} }
static void ccu_div_disable(struct clk_hw *hw) static void ccu_div_disable(struct clk_hw *hw)
@ -78,18 +71,6 @@ static int ccu_div_determine_rate(struct clk_hw *hw,
{ {
struct ccu_div *cd = hw_to_ccu_div(hw); struct ccu_div *cd = hw_to_ccu_div(hw);
if (clk_hw_get_num_parents(hw) == 1) {
req->rate = divider_round_rate(hw, req->rate,
&req->best_parent_rate,
cd->div.table,
cd->div.width,
cd->div.flags);
req->best_parent_hw = clk_hw_get_parent(hw);
return 0;
}
return ccu_mux_helper_determine_rate(&cd->common, &cd->mux, return ccu_mux_helper_determine_rate(&cd->common, &cd->mux,
req, ccu_div_round_rate, cd); req, ccu_div_round_rate, cd);
} }