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Merge branch 'devicetree/next-console' into devicetree/next

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This commit is contained in:
Grant Likely 2014-08-11 14:03:08 +01:00
commit b775e642bf
17 changed files with 64 additions and 119 deletions
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26
drivers/of/base.c
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@ -17,6 +17,7 @@
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/console.h>
#include <linux/ctype.h>
#include <linux/cpu.h>
#include <linux/module.h>
@ -35,7 +36,7 @@ struct device_node *of_allnodes;
EXPORT_SYMBOL(of_allnodes);
struct device_node *of_chosen;
struct device_node *of_aliases;
static struct device_node *of_stdout;
struct device_node *of_stdout;
static struct kset *of_kset;
@ -2062,9 +2063,12 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align))
of_chosen = of_find_node_by_path("/chosen@0");
if (of_chosen) {
/* linux,stdout-path and /aliases/stdout are for legacy compatibility */
const char *name = of_get_property(of_chosen, "stdout-path", NULL);
if (!name)
name = of_get_property(of_chosen, "linux,stdout-path", NULL);
if (IS_ENABLED(CONFIG_PPC) && !name)
name = of_get_property(of_aliases, "stdout", NULL);
if (name)
of_stdout = of_find_node_by_path(name);
}
@ -2180,20 +2184,22 @@ const char *of_prop_next_string(struct property *prop, const char *cur)
EXPORT_SYMBOL_GPL(of_prop_next_string);
/**
* of_device_is_stdout_path - check if a device node matches the
* linux,stdout-path property
* of_console_check() - Test and setup console for DT setup
* @dn - Pointer to device node
* @name - Name to use for preferred console without index. ex. "ttyS"
* @index - Index to use for preferred console.
*
* Check if this device node matches the linux,stdout-path property
* in the chosen node. return true if yes, false otherwise.
* Check if the given device node matches the stdout-path property in the
* /chosen node. If it does then register it as the preferred console and return
* TRUE. Otherwise return FALSE.
*/
int of_device_is_stdout_path(struct device_node *dn)
bool of_console_check(struct device_node *dn, char *name, int index)
{
if (!of_stdout)
if (!dn || dn != of_stdout || console_set_on_cmdline)
return false;
return of_stdout == dn;
return add_preferred_console(name, index, NULL);
}
EXPORT_SYMBOL_GPL(of_device_is_stdout_path);
EXPORT_SYMBOL_GPL(of_console_check);
/**
* of_find_next_cache_node - Find a node's subsidiary cache