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Subject[tip: timers/core] clocksource/drivers/sp804: Cleanup clk_get_sys()
The following commit has been merged into the timers/core branch of tip:

Commit-ID: 7d19d521a034a8c58586814e0320463d1299a3a9
Gitweb: https://git.kernel.org/tip/7d19d521a034a8c58586814e0320463d1299a3a9
Author: Kefeng Wang <wangkefeng.wang@huawei.com>
AuthorDate: Fri, 18 Sep 2020 21:22:29 +08:00
Committer: Daniel Lezcano <daniel.lezcano@linaro.org>
CommitterDate: Thu, 24 Sep 2020 10:51:04 +02:00

clocksource/drivers/sp804: Cleanup clk_get_sys()

Move the clk_get_sys() part into sp804_get_clock_rate(), cleanup the same
code.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200918132237.3552-2-thunder.leizhen@huawei.com
---
drivers/clocksource/timer-sp804.c | 30 ++++++++++--------------------
1 file changed, 10 insertions(+), 20 deletions(-)

diff --git a/drivers/clocksource/timer-sp804.c b/drivers/clocksource/timer-sp804.c
index 5cd0abf..bec2d37 100644
--- a/drivers/clocksource/timer-sp804.c
+++ b/drivers/clocksource/timer-sp804.c
@@ -22,11 +22,18 @@

#include "timer-sp.h"

-static long __init sp804_get_clock_rate(struct clk *clk)
+static long __init sp804_get_clock_rate(struct clk *clk, const char *name)
{
long rate;
int err;

+ if (!clk)
+ clk = clk_get_sys("sp804", name);
+ if (IS_ERR(clk)) {
+ pr_err("sp804: %s clock not found: %ld\n", name, PTR_ERR(clk));
+ return PTR_ERR(clk);
+ }
+
err = clk_prepare(clk);
if (err) {
pr_err("sp804: clock failed to prepare: %d\n", err);
@@ -72,16 +79,7 @@ int __init __sp804_clocksource_and_sched_clock_init(void __iomem *base,
{
long rate;

- if (!clk) {
- clk = clk_get_sys("sp804", name);
- if (IS_ERR(clk)) {
- pr_err("sp804: clock not found: %d\n",
- (int)PTR_ERR(clk));
- return PTR_ERR(clk);
- }
- }
-
- rate = sp804_get_clock_rate(clk);
+ rate = sp804_get_clock_rate(clk, name);
if (rate < 0)
return -EINVAL;

@@ -173,15 +171,7 @@ int __init __sp804_clockevents_init(void __iomem *base, unsigned int irq, struct
struct clock_event_device *evt = &sp804_clockevent;
long rate;

- if (!clk)
- clk = clk_get_sys("sp804", name);
- if (IS_ERR(clk)) {
- pr_err("sp804: %s clock not found: %d\n", name,
- (int)PTR_ERR(clk));
- return PTR_ERR(clk);
- }
-
- rate = sp804_get_clock_rate(clk);
+ rate = sp804_get_clock_rate(clk, name);
if (rate < 0)
return -EINVAL;

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