sh: allow registering clocks without name

Modify the SuperH clock code to support struct clk
with NULL as name. Such clocks will not be hooked
up to debugfs.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index 9ded1bc29260..073f4ffe956a 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -415,7 +415,7 @@ struct clk *clk_get(struct device *dev, const char *id)
 
         mutex_lock(&clock_list_sem);
         list_for_each_entry(p, &clock_list, node) {
-                if (p->id == idno &&
+                if (p->name && p->id == idno &&
                     strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
                         clk = p;
                         goto found;
@@ -423,7 +423,8 @@ struct clk *clk_get(struct device *dev, const char *id)
         }
 
         list_for_each_entry(p, &clock_list, node) {
-                if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
+                if (p->name &&
+                    strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
                         clk = p;
                         break;
                 }
@@ -594,7 +595,7 @@ static int clk_debugfs_register(struct clk *c)
                         return err;
         }
 
-        if (!c->dentry) {
+        if (!c->dentry && c->name) {
                 err = clk_debugfs_register_one(c);
                 if (err)
                         return err;