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authorRobert Jarzmik <robert.jarzmik@free.fr>2016-09-19 22:12:13 +0300
committerRobert Jarzmik <robert.jarzmik@free.fr>2016-10-18 10:12:36 +0300
commitf4e14edf25661f32c9e7323d8a482b8632a6f47f (patch)
treea778fa00549bd28efe7c6ed27c56e1348b8d4aff /drivers/clocksource
parenta758c9b93f5c4e826b3c0849c96c630b1cce8f8d (diff)
downloadlinux-f4e14edf25661f32c9e7323d8a482b8632a6f47f.tar.xz
ARM: sa11x0/pxa: acquire timer rate from the clock rate
As both pxa and sa1100 provide a clock to the timer, the rate can be inferred from the clock rather than hard encoded in a functional call. This patch changes the pxa timer to have a mandatory clock which is used as the timer rate. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'drivers/clocksource')
-rw-r--r--drivers/clocksource/pxa_timer.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/clocksource/pxa_timer.c b/drivers/clocksource/pxa_timer.c
index 3e1cb512f3ce..9cae38eebec2 100644
--- a/drivers/clocksource/pxa_timer.c
+++ b/drivers/clocksource/pxa_timer.c
@@ -220,17 +220,16 @@ CLOCKSOURCE_OF_DECLARE(pxa_timer, "marvell,pxa-timer", pxa_timer_dt_init);
/*
* Legacy timer init for non device-tree boards.
*/
-void __init pxa_timer_nodt_init(int irq, void __iomem *base,
- unsigned long clock_tick_rate)
+void __init pxa_timer_nodt_init(int irq, void __iomem *base)
{
struct clk *clk;
timer_base = base;
clk = clk_get(NULL, "OSTIMER0");
- if (clk && !IS_ERR(clk))
+ if (clk && !IS_ERR(clk)) {
clk_prepare_enable(clk);
- else
+ pxa_timer_common_init(irq, clk_get_rate(clk));
+ } else {
pr_crit("%s: unable to get clk\n", __func__);
-
- pxa_timer_common_init(irq, clock_tick_rate);
+ }
}