redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

clk: qcom: Fix parent_map translations 

When we introduced the parent_map tables, we missed to update
some of the functions where mapping is translated. Fix this.

Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Tested-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
hifive-unleashed-5.1
Georgi Djakov 2015-04-07 17:14:51 +03:00 committed by Stephen Boyd
parent 3937567ded
commit 2f272e7b01
2 changed files with 35 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/clk/qcom/clk-rcg.c
View File

@ -319,7 +319,7 @@ static int clk_dyn_rcg_set_parent(struct clk_hw *hw, u8 index)
if (banked_p)
f.pre_div = ns_to_pre_div(&rcg->p[bank], ns) + 1;
f.src = index;
f.src = qcom_find_src_index(hw, rcg->s[bank].parent_map, index);
return configure_bank(rcg, &f);
}
@ -407,17 +407,23 @@ clk_dyn_rcg_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
static long _freq_tbl_determine_rate(struct clk_hw *hw,
const struct freq_tbl *f, unsigned long rate,
unsigned long min_rate, unsigned long max_rate,
unsigned long *p_rate, struct clk_hw **p_hw)
unsigned long *p_rate, struct clk_hw **p_hw,
const struct parent_map *parent_map)
{
unsigned long clk_flags;
struct clk *p;
int index;
f = qcom_find_freq(f, rate);
if (!f)
return -EINVAL;
index = qcom_find_src_index(hw, parent_map, f->src);
if (index < 0)
return index;
clk_flags = __clk_get_flags(hw->clk);
p = clk_get_parent_by_index(hw->clk, f->src);
p = clk_get_parent_by_index(hw->clk, index);
if (clk_flags & CLK_SET_RATE_PARENT) {
rate = rate * f->pre_div;
if (f->n) {
@ -442,7 +448,7 @@ static long clk_rcg_determine_rate(struct clk_hw *hw, unsigned long rate,
struct clk_rcg *rcg = to_clk_rcg(hw);
return _freq_tbl_determine_rate(hw, rcg->freq_tbl, rate, min_rate,
max_rate, p_rate, p);
max_rate, p_rate, p, rcg->s.parent_map);
}
static long clk_dyn_rcg_determine_rate(struct clk_hw *hw, unsigned long rate,
@ -450,9 +456,16 @@ static long clk_dyn_rcg_determine_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *p_rate, struct clk_hw **p)
{
struct clk_dyn_rcg *rcg = to_clk_dyn_rcg(hw);
u32 reg;
int bank;
struct src_sel *s;
regmap_read(rcg->clkr.regmap, rcg->bank_reg, &reg);
bank = reg_to_bank(rcg, reg);
s = &rcg->s[bank];
return _freq_tbl_determine_rate(hw, rcg->freq_tbl, rate, min_rate,
max_rate, p_rate, p);
max_rate, p_rate, p, s->parent_map);
}
static long clk_rcg_bypass_determine_rate(struct clk_hw *hw, unsigned long rate,
@ -462,8 +475,9 @@ static long clk_rcg_bypass_determine_rate(struct clk_hw *hw, unsigned long rate,
struct clk_rcg *rcg = to_clk_rcg(hw);
const struct freq_tbl *f = rcg->freq_tbl;
struct clk *p;
int index = qcom_find_src_index(hw, rcg->s.parent_map, f->src);
p = clk_get_parent_by_index(hw->clk, f->src);
p = clk_get_parent_by_index(hw->clk, index);
*p_hw = __clk_get_hw(p);
*p_rate = __clk_round_rate(p, rate);

20
drivers/clk/qcom/clk-rcg2.c
View File

@ -182,13 +182,19 @@ static long _freq_tbl_determine_rate(struct clk_hw *hw,
{
unsigned long clk_flags;
struct clk *p;
struct clk_rcg2 *rcg = to_clk_rcg2(hw);
int index;
f = qcom_find_freq(f, rate);
if (!f)
return -EINVAL;
index = qcom_find_src_index(hw, rcg->parent_map, f->src);
if (index < 0)
return index;
clk_flags = __clk_get_flags(hw->clk);
p = clk_get_parent_by_index(hw->clk, f->src);
p = clk_get_parent_by_index(hw->clk, index);
if (clk_flags & CLK_SET_RATE_PARENT) {
if (f->pre_div) {
rate /= 2;
@ -381,9 +387,10 @@ static long clk_edp_pixel_determine_rate(struct clk_hw *hw, unsigned long rate,
s64 request;
u32 mask = BIT(rcg->hid_width) - 1;
u32 hid_div;
int index = qcom_find_src_index(hw, rcg->parent_map, f->src);
/* Force the correct parent */
*p = __clk_get_hw(clk_get_parent_by_index(hw->clk, f->src));
*p = __clk_get_hw(clk_get_parent_by_index(hw->clk, index));
if (src_rate == 810000000)
frac = frac_table_810m;
@ -427,6 +434,7 @@ static long clk_byte_determine_rate(struct clk_hw *hw, unsigned long rate,
{
struct clk_rcg2 *rcg = to_clk_rcg2(hw);
const struct freq_tbl *f = rcg->freq_tbl;
int index = qcom_find_src_index(hw, rcg->parent_map, f->src);
unsigned long parent_rate, div;
u32 mask = BIT(rcg->hid_width) - 1;
struct clk *p;
@ -434,7 +442,7 @@ static long clk_byte_determine_rate(struct clk_hw *hw, unsigned long rate,
if (rate == 0)
return -EINVAL;
p = clk_get_parent_by_index(hw->clk, f->src);
p = clk_get_parent_by_index(hw->clk, index);
*p_hw = __clk_get_hw(p);
*p_rate = parent_rate = __clk_round_rate(p, rate);
@ -496,7 +504,8 @@ static long clk_pixel_determine_rate(struct clk_hw *hw, unsigned long rate,
int delta = 100000;
const struct freq_tbl *f = rcg->freq_tbl;
const struct frac_entry *frac = frac_table_pixel;
struct clk *parent = clk_get_parent_by_index(hw->clk, f->src);
int index = qcom_find_src_index(hw, rcg->parent_map, f->src);
struct clk *parent = clk_get_parent_by_index(hw->clk, index);
*p = __clk_get_hw(parent);
@ -525,7 +534,8 @@ static int clk_pixel_set_rate(struct clk_hw *hw, unsigned long rate,
int delta = 100000;
u32 mask = BIT(rcg->hid_width) - 1;
u32 hid_div;
struct clk *parent = clk_get_parent_by_index(hw->clk, f.src);
int index = qcom_find_src_index(hw, rcg->parent_map, f.src);
struct clk *parent = clk_get_parent_by_index(hw->clk, index);
for (; frac->num; frac++) {
request = (rate * frac->den) / frac->num;