diff options
Diffstat (limited to 'arch/sh/kernel/cpu/clock.c')
-rw-r--r-- | arch/sh/kernel/cpu/clock.c | 55 |
1 files changed, 1 insertions, 54 deletions
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c index 83da5debeedf..9ded1bc29260 100644 --- a/arch/sh/kernel/cpu/clock.c +++ b/arch/sh/kernel/cpu/clock.c | |||
@@ -10,10 +10,6 @@ | |||
10 | * | 10 | * |
11 | * Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com> | 11 | * Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com> |
12 | * | 12 | * |
13 | * With clkdev bits: | ||
14 | * | ||
15 | * Copyright (C) 2008 Russell King. | ||
16 | * | ||
17 | * This file is subject to the terms and conditions of the GNU General Public | 13 | * This file is subject to the terms and conditions of the GNU General Public |
18 | * License. See the file "COPYING" in the main directory of this archive | 14 | * License. See the file "COPYING" in the main directory of this archive |
19 | * for more details. | 15 | * for more details. |
@@ -30,6 +26,7 @@ | |||
30 | #include <linux/platform_device.h> | 26 | #include <linux/platform_device.h> |
31 | #include <linux/debugfs.h> | 27 | #include <linux/debugfs.h> |
32 | #include <linux/cpufreq.h> | 28 | #include <linux/cpufreq.h> |
29 | #include <linux/clk.h> | ||
33 | #include <asm/clock.h> | 30 | #include <asm/clock.h> |
34 | #include <asm/machvec.h> | 31 | #include <asm/machvec.h> |
35 | 32 | ||
@@ -398,56 +395,6 @@ long clk_round_rate(struct clk *clk, unsigned long rate) | |||
398 | EXPORT_SYMBOL_GPL(clk_round_rate); | 395 | EXPORT_SYMBOL_GPL(clk_round_rate); |
399 | 396 | ||
400 | /* | 397 | /* |
401 | * Find the correct struct clk for the device and connection ID. | ||
402 | * We do slightly fuzzy matching here: | ||
403 | * An entry with a NULL ID is assumed to be a wildcard. | ||
404 | * If an entry has a device ID, it must match | ||
405 | * If an entry has a connection ID, it must match | ||
406 | * Then we take the most specific entry - with the following | ||
407 | * order of precidence: dev+con > dev only > con only. | ||
408 | */ | ||
409 | static struct clk *clk_find(const char *dev_id, const char *con_id) | ||
410 | { | ||
411 | struct clk_lookup *p; | ||
412 | struct clk *clk = NULL; | ||
413 | int match, best = 0; | ||
414 | |||
415 | list_for_each_entry(p, &clock_list, node) { | ||
416 | match = 0; | ||
417 | if (p->dev_id) { | ||
418 | if (!dev_id || strcmp(p->dev_id, dev_id)) | ||
419 | continue; | ||
420 | match += 2; | ||
421 | } | ||
422 | if (p->con_id) { | ||
423 | if (!con_id || strcmp(p->con_id, con_id)) | ||
424 | continue; | ||
425 | match += 1; | ||
426 | } | ||
427 | if (match == 0) | ||
428 | continue; | ||
429 | |||
430 | if (match > best) { | ||
431 | clk = p->clk; | ||
432 | best = match; | ||
433 | } | ||
434 | } | ||
435 | return clk; | ||
436 | } | ||
437 | |||
438 | struct clk *clk_get_sys(const char *dev_id, const char *con_id) | ||
439 | { | ||
440 | struct clk *clk; | ||
441 | |||
442 | mutex_lock(&clock_list_sem); | ||
443 | clk = clk_find(dev_id, con_id); | ||
444 | mutex_unlock(&clock_list_sem); | ||
445 | |||
446 | return clk ? clk : ERR_PTR(-ENOENT); | ||
447 | } | ||
448 | EXPORT_SYMBOL_GPL(clk_get_sys); | ||
449 | |||
450 | /* | ||
451 | * Returns a clock. Note that we first try to use device id on the bus | 398 | * Returns a clock. Note that we first try to use device id on the bus |
452 | * and clock name. If this fails, we try to use clock name only. | 399 | * and clock name. If this fails, we try to use clock name only. |
453 | */ | 400 | */ |