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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.c111
1 files changed, 50 insertions, 61 deletions
diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
index 52bacce5dadd..cfcf740e4e68 100644
--- a/drivers/clk/mediatek/clk-mtk.c
+++ b/drivers/clk/mediatek/clk-mtk.c
@@ -18,43 +18,32 @@
#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;
@@ -65,7 +54,7 @@ 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;
}
@@ -78,7 +67,7 @@ int mtk_clk_register_fixed_clks(const struct mtk_fixed_clk *clks, int num,
goto err;
}
- clk_data->clks[rc->id] = clk;
+ clk_data->hws[rc->id] = __clk_get_hw(clk);
}
return 0;
@@ -87,11 +76,11 @@ 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);
@@ -99,7 +88,7 @@ err:
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;
@@ -109,17 +98,17 @@ 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;
@@ -130,7 +119,7 @@ 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;
}
@@ -143,7 +132,7 @@ int mtk_clk_register_factors(const struct mtk_fixed_factor *clks, int num,
goto err;
}
- clk_data->clks[ff->id] = clk;
+ clk_data->hws[ff->id] = __clk_get_hw(clk);
}
return 0;
@@ -152,11 +141,11 @@ 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);
@@ -164,7 +153,7 @@ err:
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;
@@ -174,11 +163,11 @@ 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);
@@ -298,7 +287,7 @@ 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;
int i;
@@ -309,7 +298,7 @@ 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;
@@ -322,7 +311,7 @@ int mtk_clk_register_composites(const struct mtk_composite *mcs, int num,
goto err;
}
- clk_data->clks[mc->id] = clk;
+ clk_data->hws[mc->id] = __clk_get_hw(clk);
}
return 0;
@@ -331,11 +320,11 @@ 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);
+ clk_data->hws[mc->id] = ERR_PTR(-ENOENT);
}
return PTR_ERR(clk);
@@ -343,7 +332,7 @@ err:
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;
@@ -353,18 +342,18 @@ 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);
+ 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;
int i;
@@ -375,7 +364,7 @@ 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;
@@ -390,7 +379,7 @@ int mtk_clk_register_dividers(const struct mtk_clk_divider *mcds, int num,
goto err;
}
- clk_data->clks[mcd->id] = clk;
+ clk_data->hws[mcd->id] = __clk_get_hw(clk);
}
return 0;
@@ -399,18 +388,18 @@ 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);
+ clk_data->hws[mcd->id] = ERR_PTR(-ENOENT);
}
return PTR_ERR(clk);
}
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 +409,18 @@ 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 +436,7 @@ 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 +454,7 @@ 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);