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OF: Add helper for matching against linux,stdout-path

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devicetrees may have a linux,stdout-path property in the chosen
node describing the console device. This adds a helper function
to match a device against this property so a driver can call
add_preferred_console for a matching device.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sascha Hauer
2013-08-05 14:40:44 +02:00
committed by Greg Kroah-Hartman
parent a324e4de0c
commit 5c19e95216
2 changed files with 33 additions and 0 deletions
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7
include/linux/of.h
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@@ -343,6 +343,8 @@ const char *of_prop_next_string(struct property *prop, const char *cur);
s; \
s = of_prop_next_string(prop, s))
int of_device_is_stdout_path(struct device_node *dn);
#else /* CONFIG_OF */
static inline const char* of_node_full_name(struct device_node *np)
@@ -505,6 +507,11 @@ static inline int of_machine_is_compatible(const char *compat)
return 0;
}
static inline int of_device_is_stdout_path(struct device_node *dn)
{
return 0;
}
#define of_match_ptr(_ptr) NULL
#define of_match_node(_matches, _node) NULL
#define of_property_for_each_u32(np, propname, prop, p, u) \