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clk: samsung: Add local variable to match its purpose

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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
1 changed files with 5 additions and 4 deletions
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9
drivers/clk/samsung/clk-cpu.c
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@ -410,6 +410,7 @@ int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx,
{ {
struct exynos_cpuclk *cpuclk; struct exynos_cpuclk *cpuclk;
struct clk_init_data init; struct clk_init_data init;
struct clk *parent_clk;
struct clk *clk; struct clk *clk;
int ret = 0; int ret = 0;
@ -440,15 +441,15 @@ int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx,
goto free_cpuclk; goto free_cpuclk;
} }
clk = __clk_lookup(parent); parent_clk = __clk_lookup(parent);
if (!clk) { if (!parent_clk) {
pr_err("%s: could not lookup parent clock %s\n", pr_err("%s: could not lookup parent clock %s\n",
__func__, parent); __func__, parent);
ret = -EINVAL; ret = -EINVAL;
goto free_cpuclk; goto free_cpuclk;
} }
ret = clk_notifier_register(clk, &cpuclk->clk_nb); ret = clk_notifier_register(parent_clk, &cpuclk->clk_nb);
if (ret) { if (ret) {
pr_err("%s: failed to register clock notifier for %s\n", pr_err("%s: failed to register clock notifier for %s\n",
__func__, name); __func__, name);
@ -476,7 +477,7 @@ int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx,
free_cpuclk_data: free_cpuclk_data:
kfree(cpuclk->cfg); kfree(cpuclk->cfg);
unregister_clk_nb: unregister_clk_nb:
clk_notifier_unregister(__clk_lookup(parent), &cpuclk->clk_nb); clk_notifier_unregister(parent_clk, &cpuclk->clk_nb);
free_cpuclk: free_cpuclk:
kfree(cpuclk); kfree(cpuclk);
return ret; return ret;