ARM: ux500: Provide local timer support for Device Tree
This enables local timer (AKA: private timer) support for
all u8500 based hardware using DT.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-ux500/timer.c b/arch/arm/mach-ux500/timer.c
index e9d5807..d37df98 100644
--- a/arch/arm/mach-ux500/timer.c
+++ b/arch/arm/mach-ux500/timer.c
@@ -7,6 +7,7 @@
#include <linux/io.h>
#include <linux/errno.h>
#include <linux/clksrc-dbx500-prcmu.h>
+#include <linux/of.h>
#include <asm/smp_twd.h>
@@ -30,9 +31,13 @@
twd_local_timer = cpu_is_u5500() ? &u5500_twd_local_timer :
&u8500_twd_local_timer;
- err = twd_local_timer_register(twd_local_timer);
- if (err)
- pr_err("twd_local_timer_register failed %d\n", err);
+ if (of_have_populated_dt())
+ twd_local_timer_of_register();
+ else {
+ err = twd_local_timer_register(twd_local_timer);
+ if (err)
+ pr_err("twd_local_timer_register failed %d\n", err);
+ }
}
#else
#define ux500_twd_init() do { } while(0)