Commit 699e36e5 authored by Alexandre Belloni's avatar Alexandre Belloni Committed by Daniel Lezcano

clocksource/drivers/timer-atmel-pit: Enable mck clock

mck is needed to get the PIT working. Explicitly prepare_enable it instead
of assuming it is enabled.

This solves an issue where the system is freezing when the ETM/ETB drivers
are enabled.
Reported-by: default avatarOlivier Schonken <olivier.schonken@gmail.com>
Reviewed-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
parent aa8c0f1a
......@@ -261,6 +261,12 @@ static int __init at91sam926x_pit_dt_init(struct device_node *node)
return PTR_ERR(data->mck);
}
ret = clk_prepare_enable(data->mck);
if (ret) {
pr_err("Unable to enable mck\n");
return ret;
}
/* Get the interrupts property */
data->irq = irq_of_parse_and_map(node, 0);
if (!data->irq) {
......
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