[PATCH 12/20] clocksource: clksrc-of: Warn if no clock sources are found
From: Daniel Lezcano <hidden>
Date: 2013-12-30 10:22:36
Also in:
lkml
Subsystem:
clocksource, clockevent drivers, the rest · Maintainers:
Daniel Lezcano, Thomas Gleixner, Linus Torvalds
From: Linus Walleij <redacted> Many platforms rely on clocksource_of_init() being implicitly called for registering clock sources and will get zero warnings if no working clock source is available. Let's print a critical error message if no clock source is found. Acked-by: Lee Jones <redacted> Signed-off-by: Linus Walleij <redacted> Signed-off-by: Daniel Lezcano <redacted> --- drivers/clocksource/clksrc-of.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/clocksource/clksrc-of.c b/drivers/clocksource/clksrc-of.c
index 35639cf4..a30b42c 100644
--- a/drivers/clocksource/clksrc-of.c
+++ b/drivers/clocksource/clksrc-of.c@@ -28,6 +28,7 @@ void __init clocksource_of_init(void) struct device_node *np; const struct of_device_id *match; clocksource_of_init_fn init_func; + unsigned clocksources = 0; for_each_matching_node_and_match(np, __clksrc_of_table, &match) { if (!of_device_is_available(np))
@@ -36,5 +37,8 @@ void __init clocksource_of_init(void) init_func = match->data; init_func(np); of_node_put(np); + clocksources++; } + if (!clocksources) + pr_crit("%s: no matching clocksources found\n", __func__); }
--
1.7.9.5