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clk: rockchip: disable alt_parent clk in err cases when registering cpuclk

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Add clk_disable_unprepare to handle cpuclk->alt_parent if
rockchip_clk_register_cpuclk fails.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Shawn Lin 2016-02-15 11:33:15 +08:00 committed by Heiko Stuebner
parent 36714529f8
commit 282312d1ac
1 changed files with 4 additions and 2 deletions
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6
drivers/clk/rockchip/clk-cpu.c
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@ -290,14 +290,14 @@ struct clk *rockchip_clk_register_cpuclk(const char *name,
pr_err("%s: could not lookup parent clock %s\n",
__func__, parent_names[0]);
ret = -EINVAL;
goto free_cpuclk;
goto free_alt_parent;
}
ret = clk_notifier_register(clk, &cpuclk->clk_nb);
if (ret) {
pr_err("%s: failed to register clock notifier for %s\n",
__func__, name);
goto free_cpuclk;
goto free_alt_parent;
}
if (nrates > 0) {
@ -326,6 +326,8 @@ struct clk *rockchip_clk_register_cpuclk(const char *name,
kfree(cpuclk->rate_table);
unregister_notifier:
clk_notifier_unregister(clk, &cpuclk->clk_nb);
free_alt_parent:
clk_disable_unprepare(cpuclk->alt_parent);
free_cpuclk:
kfree(cpuclk);
return ERR_PTR(ret);