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clk: mediatek: Add API for clock resource recycle

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In order to avoid resource leak when fail clock registration appears,
so adds the common interface to handle it.

Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20210914021633.26377-5-chun-jie.chen@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Chun-Jie Chen 2021-09-14 10:16:13 +08:00 committed by Stephen Boyd
parent cb95c169e9
commit 300796cad2
2 changed files with 10 additions and 0 deletions
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9
drivers/clk/mediatek/clk-mtk.c
View file

@ -43,6 +43,15 @@ struct clk_onecell_data *mtk_alloc_clk_data(unsigned int clk_num)
return NULL;
}
void mtk_free_clk_data(struct clk_onecell_data *clk_data)
{
if (!clk_data)
return;
kfree(clk_data->clks);
kfree(clk_data);
}
void mtk_clk_register_fixed_clks(const struct mtk_fixed_clk *clks,
int num, struct clk_onecell_data *clk_data)
{

1
drivers/clk/mediatek/clk-mtk.h
View file

@ -202,6 +202,7 @@ void mtk_clk_register_dividers(const struct mtk_clk_divider *mcds,
struct clk_onecell_data *clk_data);
struct clk_onecell_data *mtk_alloc_clk_data(unsigned int clk_num);
void mtk_free_clk_data(struct clk_onecell_data *clk_data);
#define HAVE_RST_BAR BIT(0)
#define PLL_AO BIT(1)