Provide a helper that replaces the kzalloc with devm_kzalloc so error
handling gets easier.
Signed-off-by: Markus Schneider-Pargmann <msp@xxxxxxxxxxxx>
---
Notes:
Changes in v3:
- New patch
drivers/clk/mediatek/clk-mtk.c | 33 ++++++++++++++++++++++++++++-----
drivers/clk/mediatek/clk-mtk.h | 2 ++
2 files changed, 30 insertions(+), 5 deletions(-)
diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
index b9188000ab3c..a317e69cf298 100644
--- a/drivers/clk/mediatek/clk-mtk.c
+++ b/drivers/clk/mediatek/clk-mtk.c
@@ -18,19 +18,42 @@
#include "clk-mtk.h"
#include "clk-gate.h"
-struct clk_hw_onecell_data *mtk_alloc_clk_data(unsigned int clk_num)
+static void mtk_init_clk_data(struct clk_hw_onecell_data *clk_data,
+ unsigned int clk_num)
{
int i;
+
+ clk_data->num = clk_num;
+
+ for (i = 0; i < clk_num; i++)
+ clk_data->hws[i] = ERR_PTR(-ENOENT);
+}
+
+struct clk_hw_onecell_data *mtk_devm_alloc_clk_data(struct device *dev,
+ unsigned int clk_num)
+{
struct clk_hw_onecell_data *clk_data;
- clk_data = kzalloc(struct_size(clk_data, hws, clk_num), GFP_KERNEL);
+ clk_data = devm_kzalloc(dev, struct_size(clk_data, hws, clk_num),
+ GFP_KERNEL);
if (!clk_data)
return NULL;
- clk_data->num = clk_num;
+ mtk_init_clk_data(clk_data, clk_num);
- for (i = 0; i < clk_num; i++)
- clk_data->hws[i] = ERR_PTR(-ENOENT);
+ return clk_data;
+}
+EXPORT_SYMBOL_GPL(mtk_devm_alloc_clk_data);
+
+struct clk_hw_onecell_data *mtk_alloc_clk_data(unsigned int clk_num)
+{
+ struct clk_hw_onecell_data *clk_data;
+
+ clk_data = kzalloc(struct_size(clk_data, hws, clk_num), GFP_KERNEL);
+ if (!clk_data)
+ return NULL;
+
+ mtk_init_clk_data(clk_data, clk_num);
return clk_data;
}
diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h
index adb1304d35d4..4390058d172c 100644
--- a/drivers/clk/mediatek/clk-mtk.h
+++ b/drivers/clk/mediatek/clk-mtk.h
@@ -182,6 +182,8 @@ void mtk_clk_unregister_dividers(const struct mtk_clk_divider *mcds, int num,
struct clk_hw_onecell_data *clk_data);
struct clk_hw_onecell_data *mtk_alloc_clk_data(unsigned int clk_num);
+struct clk_hw_onecell_data *mtk_devm_alloc_clk_data(struct device *dev,
+ unsigned int clk_num);
void mtk_free_clk_data(struct clk_hw_onecell_data *clk_data);
struct clk_hw *mtk_clk_register_ref2usb_tx(const char *name,
--
2.36.1
