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clk: mediatek: Provide mtk_devm_alloc_clk_data 

Provide a helper that replaces the kzalloc with devm_kzalloc so error
handling gets easier.

Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Link: https://lore.kernel.org/r/20220822152652.3499972-3-msp@baylibre.com
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Markus Schneider-Pargmann 2022-08-22 17:26:50 +02:00 committed by Stephen Boyd
parent c61978175a
commit 50e68b9904
2 changed files with 30 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
drivers/clk/mediatek/clk-mtk.c
View File

@ -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 = devm_kzalloc(dev, 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;
}
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;
clk_data->num = clk_num;
for (i = 0; i < clk_num; i++)
clk_data->hws[i] = ERR_PTR(-ENOENT);
mtk_init_clk_data(clk_data, clk_num);
return clk_data;
}

2
drivers/clk/mediatek/clk-mtk.h
View File

@ -184,6 +184,8 @@ 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,