diff options
Diffstat (limited to 'arch/avr32/mach-at32ap/clock.c')
| -rw-r--r-- | arch/avr32/mach-at32ap/clock.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/arch/avr32/mach-at32ap/clock.c b/arch/avr32/mach-at32ap/clock.c index 442f08c5e641..86925fd6ea5b 100644 --- a/arch/avr32/mach-at32ap/clock.c +++ b/arch/avr32/mach-at32ap/clock.c | |||
| @@ -35,22 +35,30 @@ void at32_clk_register(struct clk *clk) | |||
| 35 | spin_unlock(&clk_list_lock); | 35 | spin_unlock(&clk_list_lock); |
| 36 | } | 36 | } |
| 37 | 37 | ||
| 38 | struct clk *clk_get(struct device *dev, const char *id) | 38 | static struct clk *__clk_get(struct device *dev, const char *id) |
| 39 | { | 39 | { |
| 40 | struct clk *clk; | 40 | struct clk *clk; |
| 41 | 41 | ||
| 42 | spin_lock(&clk_list_lock); | ||
| 43 | |||
| 44 | list_for_each_entry(clk, &at32_clock_list, list) { | 42 | list_for_each_entry(clk, &at32_clock_list, list) { |
| 45 | if (clk->dev == dev && strcmp(id, clk->name) == 0) { | 43 | if (clk->dev == dev && strcmp(id, clk->name) == 0) { |
| 46 | spin_unlock(&clk_list_lock); | ||
| 47 | return clk; | 44 | return clk; |
| 48 | } | 45 | } |
| 49 | } | 46 | } |
| 50 | 47 | ||
| 51 | spin_unlock(&clk_list_lock); | ||
| 52 | return ERR_PTR(-ENOENT); | 48 | return ERR_PTR(-ENOENT); |
| 53 | } | 49 | } |
| 50 | |||
| 51 | struct clk *clk_get(struct device *dev, const char *id) | ||
| 52 | { | ||
| 53 | struct clk *clk; | ||
| 54 | |||
| 55 | spin_lock(&clk_list_lock); | ||
| 56 | clk = __clk_get(dev, id); | ||
| 57 | spin_unlock(&clk_list_lock); | ||
| 58 | |||
| 59 | return clk; | ||
| 60 | } | ||
| 61 | |||
| 54 | EXPORT_SYMBOL(clk_get); | 62 | EXPORT_SYMBOL(clk_get); |
| 55 | 63 | ||
| 56 | void clk_put(struct clk *clk) | 64 | void clk_put(struct clk *clk) |
| @@ -257,15 +265,15 @@ static int clk_show(struct seq_file *s, void *unused) | |||
| 257 | spin_lock(&clk_list_lock); | 265 | spin_lock(&clk_list_lock); |
| 258 | 266 | ||
| 259 | /* show clock tree as derived from the three oscillators */ | 267 | /* show clock tree as derived from the three oscillators */ |
| 260 | clk = clk_get(NULL, "osc32k"); | 268 | clk = __clk_get(NULL, "osc32k"); |
| 261 | dump_clock(clk, &r); | 269 | dump_clock(clk, &r); |
| 262 | clk_put(clk); | 270 | clk_put(clk); |
| 263 | 271 | ||
| 264 | clk = clk_get(NULL, "osc0"); | 272 | clk = __clk_get(NULL, "osc0"); |
| 265 | dump_clock(clk, &r); | 273 | dump_clock(clk, &r); |
| 266 | clk_put(clk); | 274 | clk_put(clk); |
| 267 | 275 | ||
| 268 | clk = clk_get(NULL, "osc1"); | 276 | clk = __clk_get(NULL, "osc1"); |
| 269 | dump_clock(clk, &r); | 277 | dump_clock(clk, &r); |
| 270 | clk_put(clk); | 278 | clk_put(clk); |
| 271 | 279 | ||
