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path: root/drivers/clk/mediatek/clk-mtk.c
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Diffstat (limited to 'drivers/clk/mediatek/clk-mtk.c')
-rw-r--r--drivers/clk/mediatek/clk-mtk.c173
1 files changed, 82 insertions, 91 deletions
diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
index b4063261cf56..b9188000ab3c 100644
--- a/drivers/clk/mediatek/clk-mtk.c
+++ b/drivers/clk/mediatek/clk-mtk.c
@@ -18,46 +18,35 @@
#include "clk-mtk.h"
#include "clk-gate.h"
-struct clk_onecell_data *mtk_alloc_clk_data(unsigned int clk_num)
+struct clk_hw_onecell_data *mtk_alloc_clk_data(unsigned int clk_num)
{
int i;
- struct clk_onecell_data *clk_data;
+ struct clk_hw_onecell_data *clk_data;
- clk_data = kzalloc(sizeof(*clk_data), GFP_KERNEL);
+ clk_data = kzalloc(struct_size(clk_data, hws, clk_num), GFP_KERNEL);
if (!clk_data)
return NULL;
- clk_data->clks = kcalloc(clk_num, sizeof(*clk_data->clks), GFP_KERNEL);
- if (!clk_data->clks)
- goto err_out;
-
- clk_data->clk_num = clk_num;
+ clk_data->num = clk_num;
for (i = 0; i < clk_num; i++)
- clk_data->clks[i] = ERR_PTR(-ENOENT);
+ clk_data->hws[i] = ERR_PTR(-ENOENT);
return clk_data;
-err_out:
- kfree(clk_data);
-
- return NULL;
}
EXPORT_SYMBOL_GPL(mtk_alloc_clk_data);
-void mtk_free_clk_data(struct clk_onecell_data *clk_data)
+void mtk_free_clk_data(struct clk_hw_onecell_data *clk_data)
{
- if (!clk_data)
- return;
-
- kfree(clk_data->clks);
kfree(clk_data);
}
+EXPORT_SYMBOL_GPL(mtk_free_clk_data);
int mtk_clk_register_fixed_clks(const struct mtk_fixed_clk *clks, int num,
- struct clk_onecell_data *clk_data)
+ struct clk_hw_onecell_data *clk_data)
{
int i;
- struct clk *clk;
+ struct clk_hw *hw;
if (!clk_data)
return -ENOMEM;
@@ -65,20 +54,21 @@ int mtk_clk_register_fixed_clks(const struct mtk_fixed_clk *clks, int num,
for (i = 0; i < num; i++) {
const struct mtk_fixed_clk *rc = &clks[i];
- if (!IS_ERR_OR_NULL(clk_data->clks[rc->id])) {
+ if (!IS_ERR_OR_NULL(clk_data->hws[rc->id])) {
pr_warn("Trying to register duplicate clock ID: %d\n", rc->id);
continue;
}
- clk = clk_register_fixed_rate(NULL, rc->name, rc->parent, 0,
+ hw = clk_hw_register_fixed_rate(NULL, rc->name, rc->parent, 0,
rc->rate);
- if (IS_ERR(clk)) {
- pr_err("Failed to register clk %s: %pe\n", rc->name, clk);
+ if (IS_ERR(hw)) {
+ pr_err("Failed to register clk %s: %pe\n", rc->name,
+ hw);
goto err;
}
- clk_data->clks[rc->id] = clk;
+ clk_data->hws[rc->id] = hw;
}
return 0;
@@ -87,19 +77,19 @@ err:
while (--i >= 0) {
const struct mtk_fixed_clk *rc = &clks[i];
- if (IS_ERR_OR_NULL(clk_data->clks[rc->id]))
+ if (IS_ERR_OR_NULL(clk_data->hws[rc->id]))
continue;
- clk_unregister_fixed_rate(clk_data->clks[rc->id]);
- clk_data->clks[rc->id] = ERR_PTR(-ENOENT);
+ clk_unregister_fixed_rate(clk_data->hws[rc->id]->clk);
+ clk_data->hws[rc->id] = ERR_PTR(-ENOENT);
}
- return PTR_ERR(clk);
+ return PTR_ERR(hw);
}
EXPORT_SYMBOL_GPL(mtk_clk_register_fixed_clks);
void mtk_clk_unregister_fixed_clks(const struct mtk_fixed_clk *clks, int num,
- struct clk_onecell_data *clk_data)
+ struct clk_hw_onecell_data *clk_data)
{
int i;
@@ -109,20 +99,20 @@ void mtk_clk_unregister_fixed_clks(const struct mtk_fixed_clk *clks, int num,
for (i = num; i > 0; i--) {
const struct mtk_fixed_clk *rc = &clks[i - 1];
- if (IS_ERR_OR_NULL(clk_data->clks[rc->id]))
+ if (IS_ERR_OR_NULL(clk_data->hws[rc->id]))
continue;
- clk_unregister_fixed_rate(clk_data->clks[rc->id]);
- clk_data->clks[rc->id] = ERR_PTR(-ENOENT);
+ clk_unregister_fixed_rate(clk_data->hws[rc->id]->clk);
+ clk_data->hws[rc->id] = ERR_PTR(-ENOENT);
}
}
EXPORT_SYMBOL_GPL(mtk_clk_unregister_fixed_clks);
int mtk_clk_register_factors(const struct mtk_fixed_factor *clks, int num,
- struct clk_onecell_data *clk_data)
+ struct clk_hw_onecell_data *clk_data)
{
int i;
- struct clk *clk;
+ struct clk_hw *hw;
if (!clk_data)
return -ENOMEM;
@@ -130,20 +120,21 @@ int mtk_clk_register_factors(const struct mtk_fixed_factor *clks, int num,
for (i = 0; i < num; i++) {
const struct mtk_fixed_factor *ff = &clks[i];
- if (!IS_ERR_OR_NULL(clk_data->clks[ff->id])) {
+ if (!IS_ERR_OR_NULL(clk_data->hws[ff->id])) {
pr_warn("Trying to register duplicate clock ID: %d\n", ff->id);
continue;
}
- clk = clk_register_fixed_factor(NULL, ff->name, ff->parent_name,
+ hw = clk_hw_register_fixed_factor(NULL, ff->name, ff->parent_name,
CLK_SET_RATE_PARENT, ff->mult, ff->div);
- if (IS_ERR(clk)) {
- pr_err("Failed to register clk %s: %pe\n", ff->name, clk);
+ if (IS_ERR(hw)) {
+ pr_err("Failed to register clk %s: %pe\n", ff->name,
+ hw);
goto err;
}
- clk_data->clks[ff->id] = clk;
+ clk_data->hws[ff->id] = hw;
}
return 0;
@@ -152,19 +143,19 @@ err:
while (--i >= 0) {
const struct mtk_fixed_factor *ff = &clks[i];
- if (IS_ERR_OR_NULL(clk_data->clks[ff->id]))
+ if (IS_ERR_OR_NULL(clk_data->hws[ff->id]))
continue;
- clk_unregister_fixed_factor(clk_data->clks[ff->id]);
- clk_data->clks[ff->id] = ERR_PTR(-ENOENT);
+ clk_unregister_fixed_factor(clk_data->hws[ff->id]->clk);
+ clk_data->hws[ff->id] = ERR_PTR(-ENOENT);
}
- return PTR_ERR(clk);
+ return PTR_ERR(hw);
}
EXPORT_SYMBOL_GPL(mtk_clk_register_factors);
void mtk_clk_unregister_factors(const struct mtk_fixed_factor *clks, int num,
- struct clk_onecell_data *clk_data)
+ struct clk_hw_onecell_data *clk_data)
{
int i;
@@ -174,19 +165,19 @@ void mtk_clk_unregister_factors(const struct mtk_fixed_factor *clks, int num,
for (i = num; i > 0; i--) {
const struct mtk_fixed_factor *ff = &clks[i - 1];
- if (IS_ERR_OR_NULL(clk_data->clks[ff->id]))
+ if (IS_ERR_OR_NULL(clk_data->hws[ff->id]))
continue;
- clk_unregister_fixed_factor(clk_data->clks[ff->id]);
- clk_data->clks[ff->id] = ERR_PTR(-ENOENT);
+ clk_unregister_fixed_factor(clk_data->hws[ff->id]->clk);
+ clk_data->hws[ff->id] = ERR_PTR(-ENOENT);
}
}
EXPORT_SYMBOL_GPL(mtk_clk_unregister_factors);
-struct clk *mtk_clk_register_composite(const struct mtk_composite *mc,
+static struct clk_hw *mtk_clk_register_composite(const struct mtk_composite *mc,
void __iomem *base, spinlock_t *lock)
{
- struct clk *clk;
+ struct clk_hw *hw;
struct clk_mux *mux = NULL;
struct clk_gate *gate = NULL;
struct clk_divider *div = NULL;
@@ -250,18 +241,18 @@ struct clk *mtk_clk_register_composite(const struct mtk_composite *mc,
div_ops = &clk_divider_ops;
}
- clk = clk_register_composite(NULL, mc->name, parent_names, num_parents,
+ hw = clk_hw_register_composite(NULL, mc->name, parent_names, num_parents,
mux_hw, mux_ops,
div_hw, div_ops,
gate_hw, gate_ops,
mc->flags);
- if (IS_ERR(clk)) {
- ret = PTR_ERR(clk);
+ if (IS_ERR(hw)) {
+ ret = PTR_ERR(hw);
goto err_out;
}
- return clk;
+ return hw;
err_out:
kfree(div);
kfree(gate);
@@ -270,15 +261,13 @@ err_out:
return ERR_PTR(ret);
}
-static void mtk_clk_unregister_composite(struct clk *clk)
+static void mtk_clk_unregister_composite(struct clk_hw *hw)
{
- struct clk_hw *hw;
struct clk_composite *composite;
struct clk_mux *mux = NULL;
struct clk_gate *gate = NULL;
struct clk_divider *div = NULL;
- hw = __clk_get_hw(clk);
if (!hw)
return;
@@ -290,7 +279,7 @@ static void mtk_clk_unregister_composite(struct clk *clk)
if (composite->rate_hw)
div = to_clk_divider(composite->rate_hw);
- clk_unregister_composite(clk);
+ clk_hw_unregister_composite(hw);
kfree(div);
kfree(gate);
kfree(mux);
@@ -298,9 +287,9 @@ static void mtk_clk_unregister_composite(struct clk *clk)
int mtk_clk_register_composites(const struct mtk_composite *mcs, int num,
void __iomem *base, spinlock_t *lock,
- struct clk_onecell_data *clk_data)
+ struct clk_hw_onecell_data *clk_data)
{
- struct clk *clk;
+ struct clk_hw *hw;
int i;
if (!clk_data)
@@ -309,20 +298,21 @@ int mtk_clk_register_composites(const struct mtk_composite *mcs, int num,
for (i = 0; i < num; i++) {
const struct mtk_composite *mc = &mcs[i];
- if (!IS_ERR_OR_NULL(clk_data->clks[mc->id])) {
+ if (!IS_ERR_OR_NULL(clk_data->hws[mc->id])) {
pr_warn("Trying to register duplicate clock ID: %d\n",
mc->id);
continue;
}
- clk = mtk_clk_register_composite(mc, base, lock);
+ hw = mtk_clk_register_composite(mc, base, lock);
- if (IS_ERR(clk)) {
- pr_err("Failed to register clk %s: %pe\n", mc->name, clk);
+ if (IS_ERR(hw)) {
+ pr_err("Failed to register clk %s: %pe\n", mc->name,
+ hw);
goto err;
}
- clk_data->clks[mc->id] = clk;
+ clk_data->hws[mc->id] = hw;
}
return 0;
@@ -331,19 +321,19 @@ err:
while (--i >= 0) {
const struct mtk_composite *mc = &mcs[i];
- if (IS_ERR_OR_NULL(clk_data->clks[mcs->id]))
+ if (IS_ERR_OR_NULL(clk_data->hws[mcs->id]))
continue;
- mtk_clk_unregister_composite(clk_data->clks[mc->id]);
- clk_data->clks[mc->id] = ERR_PTR(-ENOENT);
+ mtk_clk_unregister_composite(clk_data->hws[mc->id]);
+ clk_data->hws[mc->id] = ERR_PTR(-ENOENT);
}
- return PTR_ERR(clk);
+ return PTR_ERR(hw);
}
EXPORT_SYMBOL_GPL(mtk_clk_register_composites);
void mtk_clk_unregister_composites(const struct mtk_composite *mcs, int num,
- struct clk_onecell_data *clk_data)
+ struct clk_hw_onecell_data *clk_data)
{
int i;
@@ -353,20 +343,20 @@ void mtk_clk_unregister_composites(const struct mtk_composite *mcs, int num,
for (i = num; i > 0; i--) {
const struct mtk_composite *mc = &mcs[i - 1];
- if (IS_ERR_OR_NULL(clk_data->clks[mc->id]))
+ if (IS_ERR_OR_NULL(clk_data->hws[mc->id]))
continue;
- mtk_clk_unregister_composite(clk_data->clks[mc->id]);
- clk_data->clks[mc->id] = ERR_PTR(-ENOENT);
+ mtk_clk_unregister_composite(clk_data->hws[mc->id]);
+ clk_data->hws[mc->id] = ERR_PTR(-ENOENT);
}
}
EXPORT_SYMBOL_GPL(mtk_clk_unregister_composites);
int mtk_clk_register_dividers(const struct mtk_clk_divider *mcds, int num,
void __iomem *base, spinlock_t *lock,
- struct clk_onecell_data *clk_data)
+ struct clk_hw_onecell_data *clk_data)
{
- struct clk *clk;
+ struct clk_hw *hw;
int i;
if (!clk_data)
@@ -375,22 +365,23 @@ int mtk_clk_register_dividers(const struct mtk_clk_divider *mcds, int num,
for (i = 0; i < num; i++) {
const struct mtk_clk_divider *mcd = &mcds[i];
- if (!IS_ERR_OR_NULL(clk_data->clks[mcd->id])) {
+ if (!IS_ERR_OR_NULL(clk_data->hws[mcd->id])) {
pr_warn("Trying to register duplicate clock ID: %d\n",
mcd->id);
continue;
}
- clk = clk_register_divider(NULL, mcd->name, mcd->parent_name,
+ hw = clk_hw_register_divider(NULL, mcd->name, mcd->parent_name,
mcd->flags, base + mcd->div_reg, mcd->div_shift,
mcd->div_width, mcd->clk_divider_flags, lock);
- if (IS_ERR(clk)) {
- pr_err("Failed to register clk %s: %pe\n", mcd->name, clk);
+ if (IS_ERR(hw)) {
+ pr_err("Failed to register clk %s: %pe\n", mcd->name,
+ hw);
goto err;
}
- clk_data->clks[mcd->id] = clk;
+ clk_data->hws[mcd->id] = hw;
}
return 0;
@@ -399,18 +390,18 @@ err:
while (--i >= 0) {
const struct mtk_clk_divider *mcd = &mcds[i];
- if (IS_ERR_OR_NULL(clk_data->clks[mcd->id]))
+ if (IS_ERR_OR_NULL(clk_data->hws[mcd->id]))
continue;
- mtk_clk_unregister_composite(clk_data->clks[mcd->id]);
- clk_data->clks[mcd->id] = ERR_PTR(-ENOENT);
+ mtk_clk_unregister_composite(clk_data->hws[mcd->id]);
+ clk_data->hws[mcd->id] = ERR_PTR(-ENOENT);
}
- return PTR_ERR(clk);
+ return PTR_ERR(hw);
}
void mtk_clk_unregister_dividers(const struct mtk_clk_divider *mcds, int num,
- struct clk_onecell_data *clk_data)
+ struct clk_hw_onecell_data *clk_data)
{
int i;
@@ -420,18 +411,18 @@ void mtk_clk_unregister_dividers(const struct mtk_clk_divider *mcds, int num,
for (i = num; i > 0; i--) {
const struct mtk_clk_divider *mcd = &mcds[i - 1];
- if (IS_ERR_OR_NULL(clk_data->clks[mcd->id]))
+ if (IS_ERR_OR_NULL(clk_data->hws[mcd->id]))
continue;
- clk_unregister_divider(clk_data->clks[mcd->id]);
- clk_data->clks[mcd->id] = ERR_PTR(-ENOENT);
+ clk_unregister_divider(clk_data->hws[mcd->id]->clk);
+ clk_data->hws[mcd->id] = ERR_PTR(-ENOENT);
}
}
int mtk_clk_simple_probe(struct platform_device *pdev)
{
const struct mtk_clk_desc *mcd;
- struct clk_onecell_data *clk_data;
+ struct clk_hw_onecell_data *clk_data;
struct device_node *node = pdev->dev.of_node;
int r;
@@ -447,7 +438,7 @@ int mtk_clk_simple_probe(struct platform_device *pdev)
if (r)
goto free_data;
- r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+ r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
if (r)
goto unregister_clks;
@@ -465,7 +456,7 @@ free_data:
int mtk_clk_simple_remove(struct platform_device *pdev)
{
const struct mtk_clk_desc *mcd = of_device_get_match_data(&pdev->dev);
- struct clk_onecell_data *clk_data = platform_get_drvdata(pdev);
+ struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev);
struct device_node *node = pdev->dev.of_node;
of_clk_del_provider(node);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.