[PATCH v2 2/5] ARM: timer-sp: Use of_clk_get_parent_count() instead of open coding

Geert Uytterhoeven
2018-04-10T12:51:38Z

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
This depends on "[PATCH v2 1/5] clk: Extract OF clock helpers in
<linux/of_clk.h>".

v2:
- of_clk_get_parent_count() was moved to <linux/of_clk.h>,
- Dropped RFC, as a dummy is now available in the !CONFIG_COMMON_CLK
case.
---
drivers/clocksource/timer-sp804.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/clocksource/timer-sp804.c b/drivers/clocksource/timer-sp804.c
index 3ac9dec9a03852f9..e01222ea888ff9d2 100644
--- a/drivers/clocksource/timer-sp804.c
+++ b/drivers/clocksource/timer-sp804.c
@@ -27,6 +27,7 @@
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/of_clk.h>
#include <linux/of_irq.h>
#include <linux/sched_clock.h>

@@ -245,7 +246,7 @@ static int __init sp804_of_init(struct device_node *np)
clk1 = NULL;

/* Get the 2nd clock if the timer has 3 timer clocks */
- if (of_count_phandle_with_args(np, "clocks", "#clock-cells") == 3) {
+ if (of_clk_get_parent_count(np) == 3) {
clk2 = of_clk_get(np, 1);
if (IS_ERR(clk2)) {
pr_err("sp804: %s clock not found: %d\n", np->name,
--
2.7.4