clk: samsung: Add local variable to match its purpose

Add new variable to avoid using clk pointer for different purposes across
the exynos_register_cpu_clock() function. This will help in future rewrite
for the new clk_hw API.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
This commit is contained in:
Marek Szyprowski 2017-04-24 09:54:12 +02:00 committed by Sylwester Nawrocki
parent 9f57fd6ee4
commit 7288de7451

View File

@ -410,6 +410,7 @@ int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx,
{
struct exynos_cpuclk *cpuclk;
struct clk_init_data init;
struct clk *parent_clk;
struct clk *clk;
int ret = 0;
@ -440,15 +441,15 @@ int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx,
goto free_cpuclk;
}
clk = __clk_lookup(parent);
if (!clk) {
parent_clk = __clk_lookup(parent);
if (!parent_clk) {
pr_err("%s: could not lookup parent clock %s\n",
__func__, parent);
ret = -EINVAL;
goto free_cpuclk;
}
ret = clk_notifier_register(clk, &cpuclk->clk_nb);
ret = clk_notifier_register(parent_clk, &cpuclk->clk_nb);
if (ret) {
pr_err("%s: failed to register clock notifier for %s\n",
__func__, name);
@ -476,7 +477,7 @@ int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx,
free_cpuclk_data:
kfree(cpuclk->cfg);
unregister_clk_nb:
clk_notifier_unregister(__clk_lookup(parent), &cpuclk->clk_nb);
clk_notifier_unregister(parent_clk, &cpuclk->clk_nb);
free_cpuclk:
kfree(cpuclk);
return ret;