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| author | Ingo Molnar <mingo@elte.hu> | 2008-10-28 16:54:49 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-28 16:54:49 +0100 |
| commit | d1a76187a5be4f89c6cb19d800cb5fb7aac735c5 (patch) | |
| tree | 2fac3ffbfffc7560eeef8364b541d0d7a0057920 /arch/sparc/kernel/prom.c | |
| parent | lockstat: contend with points (diff) | |
| parent | Linux 2.6.28-rc2 (diff) | |
| download | linux-d1a76187a5be4f89c6cb19d800cb5fb7aac735c5.tar.xz linux-d1a76187a5be4f89c6cb19d800cb5fb7aac735c5.zip | |
Merge commit 'v2.6.28-rc2' into core/locking
Conflicts:
arch/um/include/asm/system.h
Diffstat (limited to 'arch/sparc/kernel/prom.c')
| -rw-r--r-- | arch/sparc/kernel/prom.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/sparc/kernel/prom.c b/arch/sparc/kernel/prom.c index cd4fb79aa3a8..eee5efcfe50e 100644 --- a/arch/sparc/kernel/prom.c +++ b/arch/sparc/kernel/prom.c @@ -54,6 +54,9 @@ int of_getintprop_default(struct device_node *np, const char *name, int def) } EXPORT_SYMBOL(of_getintprop_default); +DEFINE_MUTEX(of_set_property_mutex); +EXPORT_SYMBOL(of_set_property_mutex); + int of_set_property(struct device_node *dp, const char *name, void *val, int len) { struct property **prevp; @@ -77,7 +80,10 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len void *old_val = prop->value; int ret; + mutex_lock(&of_set_property_mutex); ret = prom_setprop(dp->node, (char *) name, val, len); + mutex_unlock(&of_set_property_mutex); + err = -EINVAL; if (ret >= 0) { prop->value = new_val; @@ -436,7 +442,6 @@ static void __init of_console_init(void) switch (prom_vers) { case PROM_V0: - case PROM_SUN4: skip = 0; switch (*romvec->pv_stdout) { case PROMDEV_SCREEN: |