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authorMaxime Ripard <maxime.ripard@free-electrons.com>2013-12-20 22:41:07 +0100
committerPhilipp Zabel <p.zabel@pengutronix.de>2014-02-03 10:19:40 +0100
commitfc0a5921561c71be2c334a335c1680f7930434d7 (patch)
treeebd4f9ae0b08f5e0ca414586d24d49606a0bcc49 /include/linux/reset.h
parent0c5b2b915a5863643b4534dabd028d4bb34c3b27 (diff)
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reset: Add of_reset_control_get
In some cases, you might need to deassert from reset an hardware block that doesn't associated to a struct device (CPUs, timers, etc.). Add a small helper to retrieve the reset controller from the device tree without the need to pass a struct device. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'include/linux/reset.h')
-rw-r--r--include/linux/reset.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/reset.h b/include/linux/reset.h
index 6082247feab1..a398025d1138 100644
--- a/include/linux/reset.h
+++ b/include/linux/reset.h
@@ -1,6 +1,8 @@
#ifndef _LINUX_RESET_H_
#define _LINUX_RESET_H_
+#include <linux/of.h>
+
struct device;
struct reset_control;
@@ -8,6 +10,8 @@ int reset_control_reset(struct reset_control *rstc);
int reset_control_assert(struct reset_control *rstc);
int reset_control_deassert(struct reset_control *rstc);
+struct reset_control *of_reset_control_get(struct device_node *node,
+ const char *id);
struct reset_control *reset_control_get(struct device *dev, const char *id);
void reset_control_put(struct reset_control *rstc);
struct reset_control *devm_reset_control_get(struct device *dev, const char *id);