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-rw-r--r--drivers/of/base.c23
-rw-r--r--include/linux/of.h6
2 files changed, 16 insertions, 13 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c
index b9864806e9b8..df9b2bb7bb27 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -17,6 +17,7 @@
17 * as published by the Free Software Foundation; either version 17 * as published by the Free Software Foundation; either version
18 * 2 of the License, or (at your option) any later version. 18 * 2 of the License, or (at your option) any later version.
19 */ 19 */
20#include <linux/console.h>
20#include <linux/ctype.h> 21#include <linux/ctype.h>
21#include <linux/cpu.h> 22#include <linux/cpu.h>
22#include <linux/module.h> 23#include <linux/module.h>
@@ -2180,20 +2181,22 @@ const char *of_prop_next_string(struct property *prop, const char *cur)
2180EXPORT_SYMBOL_GPL(of_prop_next_string); 2181EXPORT_SYMBOL_GPL(of_prop_next_string);
2181 2182
2182/** 2183/**
2183 * of_device_is_stdout_path - check if a device node matches the 2184 * of_console_check() - Test and setup console for DT setup
2184 * linux,stdout-path property 2185 * @dn - Pointer to device node
2185 * 2186 * @name - Name to use for preferred console without index. ex. "ttyS"
2186 * Check if this device node matches the linux,stdout-path property 2187 * @index - Index to use for preferred console.
2187 * in the chosen node. return true if yes, false otherwise. 2188 *
2189 * Check if the given device node matches the stdout-path property in the
2190 * /chosen node. If it does then register it as the preferred console and return
2191 * TRUE. Otherwise return FALSE.
2188 */ 2192 */
2189int of_device_is_stdout_path(struct device_node *dn) 2193bool of_console_check(struct device_node *dn, char *name, int index)
2190{ 2194{
2191 if (!of_stdout) 2195 if (!dn || dn != of_stdout || console_set_on_cmdline)
2192 return false; 2196 return false;
2193 2197 return add_preferred_console(name, index, NULL);
2194 return of_stdout == dn;
2195} 2198}
2196EXPORT_SYMBOL_GPL(of_device_is_stdout_path); 2199EXPORT_SYMBOL_GPL(of_console_check);
2197 2200
2198/** 2201/**
2199 * of_find_next_cache_node - Find a node's subsidiary cache 2202 * of_find_next_cache_node - Find a node's subsidiary cache
diff --git a/include/linux/of.h b/include/linux/of.h
index 196b34c1ef4e..9d9734056e39 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -352,7 +352,7 @@ const __be32 *of_prop_next_u32(struct property *prop, const __be32 *cur,
352 */ 352 */
353const char *of_prop_next_string(struct property *prop, const char *cur); 353const char *of_prop_next_string(struct property *prop, const char *cur);
354 354
355int of_device_is_stdout_path(struct device_node *dn); 355bool of_console_check(struct device_node *dn, char *name, int index);
356 356
357#else /* CONFIG_OF */ 357#else /* CONFIG_OF */
358 358
@@ -564,9 +564,9 @@ static inline int of_machine_is_compatible(const char *compat)
564 return 0; 564 return 0;
565} 565}
566 566
567static inline int of_device_is_stdout_path(struct device_node *dn) 567static inline bool of_console_check(const struct device_node *dn, const char *name, int index)
568{ 568{
569 return 0; 569 return false;
570} 570}
571 571
572static inline const __be32 *of_prop_next_u32(struct property *prop, 572static inline const __be32 *of_prop_next_u32(struct property *prop,