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path: root/drivers/clk/rockchip/clk-pll.c
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Diffstat (limited to 'drivers/clk/rockchip/clk-pll.c')
-rw-r--r--drivers/clk/rockchip/clk-pll.c45
1 files changed, 9 insertions, 36 deletions
diff --git a/drivers/clk/rockchip/clk-pll.c b/drivers/clk/rockchip/clk-pll.c
index 8ac73bc7f93d..db81e454166b 100644
--- a/drivers/clk/rockchip/clk-pll.c
+++ b/drivers/clk/rockchip/clk-pll.c
@@ -92,15 +92,10 @@ static long rockchip_pll_round_rate(struct clk_hw *hw,
*/
static int rockchip_pll_wait_lock(struct rockchip_clk_pll *pll)
{
- struct regmap *grf = rockchip_clk_get_grf(pll->ctx);
+ struct regmap *grf = pll->ctx->grf;
unsigned int val;
int delay = 24000000, ret;
- if (IS_ERR(grf)) {
- pr_err("%s: grf regmap not available\n", __func__);
- return PTR_ERR(grf);
- }
-
while (delay > 0) {
ret = regmap_read(grf, pll->lock_offset, &val);
if (ret) {
@@ -252,17 +247,9 @@ static int rockchip_rk3036_pll_set_rate(struct clk_hw *hw, unsigned long drate,
{
struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw);
const struct rockchip_pll_rate_table *rate;
- unsigned long old_rate = rockchip_rk3036_pll_recalc_rate(hw, prate);
- struct regmap *grf = rockchip_clk_get_grf(pll->ctx);
-
- if (IS_ERR(grf)) {
- pr_debug("%s: grf regmap not available, aborting rate change\n",
- __func__);
- return PTR_ERR(grf);
- }
- pr_debug("%s: changing %s from %lu to %lu with a parent rate of %lu\n",
- __func__, __clk_get_name(hw->clk), old_rate, drate, prate);
+ pr_debug("%s: changing %s to %lu with a parent rate of %lu\n",
+ __func__, __clk_get_name(hw->clk), drate, prate);
/* Get required rate settings from table */
rate = rockchip_get_pll_settings(pll, drate);
@@ -491,17 +478,9 @@ static int rockchip_rk3066_pll_set_rate(struct clk_hw *hw, unsigned long drate,
{
struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw);
const struct rockchip_pll_rate_table *rate;
- unsigned long old_rate = rockchip_rk3066_pll_recalc_rate(hw, prate);
- struct regmap *grf = rockchip_clk_get_grf(pll->ctx);
-
- if (IS_ERR(grf)) {
- pr_debug("%s: grf regmap not available, aborting rate change\n",
- __func__);
- return PTR_ERR(grf);
- }
- pr_debug("%s: changing %s from %lu to %lu with a parent rate of %lu\n",
- __func__, clk_hw_get_name(hw), old_rate, drate, prate);
+ pr_debug("%s: changing %s to %lu with a parent rate of %lu\n",
+ __func__, clk_hw_get_name(hw), drate, prate);
/* Get required rate settings from table */
rate = rockchip_get_pll_settings(pll, drate);
@@ -565,11 +544,6 @@ static void rockchip_rk3066_pll_init(struct clk_hw *hw)
rate->no, cur.no, rate->nf, cur.nf, rate->nb, cur.nb);
if (rate->nr != cur.nr || rate->no != cur.no || rate->nf != cur.nf
|| rate->nb != cur.nb) {
- struct regmap *grf = rockchip_clk_get_grf(pll->ctx);
-
- if (IS_ERR(grf))
- return;
-
pr_debug("%s: pll %s: rate params do not match rate table, adjusting\n",
__func__, clk_hw_get_name(hw));
rockchip_rk3066_pll_set_params(pll, rate);
@@ -749,10 +723,9 @@ static int rockchip_rk3399_pll_set_rate(struct clk_hw *hw, unsigned long drate,
{
struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw);
const struct rockchip_pll_rate_table *rate;
- unsigned long old_rate = rockchip_rk3399_pll_recalc_rate(hw, prate);
- pr_debug("%s: changing %s from %lu to %lu with a parent rate of %lu\n",
- __func__, __clk_get_name(hw->clk), old_rate, drate, prate);
+ pr_debug("%s: changing %s to %lu with a parent rate of %lu\n",
+ __func__, __clk_get_name(hw->clk), drate, prate);
/* Get required rate settings from table */
rate = rockchip_get_pll_settings(pll, drate);
@@ -943,13 +916,13 @@ struct clk *rockchip_clk_register_pll(struct rockchip_clk_provider *ctx,
switch (pll_type) {
case pll_rk3036:
- if (!pll->rate_table)
+ if (!pll->rate_table || IS_ERR(ctx->grf))
init.ops = &rockchip_rk3036_pll_clk_norate_ops;
else
init.ops = &rockchip_rk3036_pll_clk_ops;
break;
case pll_rk3066:
- if (!pll->rate_table)
+ if (!pll->rate_table || IS_ERR(ctx->grf))
init.ops = &rockchip_rk3066_pll_clk_norate_ops;
else
init.ops = &rockchip_rk3066_pll_clk_ops;