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Commit fdca679d authored by Linus Walleij's avatar Linus Walleij Committed by Daniel Lezcano
Browse files

clocksource: clksrc-of: Warn if no clock sources are found 



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: default avatarLee Jones <lee.jones@linaro.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
parent 2e8bac53

drivers/clocksource/clksrc-of.c

+4 −0
Original line number Original line Diff line number Diff line
@@ -28,6 +28,7 @@ void __init clocksource_of_init(void) 
	struct device_node *np;

	struct device_node *np;

	const struct of_device_id *match;

	const struct of_device_id *match;

	clocksource_of_init_fn init_func;

	clocksource_of_init_fn init_func;

	unsigned clocksources = 0;





	for_each_matching_node_and_match(np, __clksrc_of_table, &match) {

	for_each_matching_node_and_match(np, __clksrc_of_table, &match) {

		if (!of_device_is_available(np))

		if (!of_device_is_available(np))
@@ -36,5 +37,8 @@ void __init clocksource_of_init(void) 
		init_func = match->data;

		init_func = match->data;

		init_func(np);

		init_func(np);

		of_node_put(np);

		of_node_put(np);

		clocksources++;

	}

	}

	if (!clocksources)

		pr_crit("%s: no matching clocksources found\n", __func__);

}
 
}