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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-11-30 17:46:52 +0000 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-11-30 17:46:52 +0000 |
commit | 112243034cec7c3ef0499fdebf39218714da453d (patch) | |
tree | f6469eaab26ea2e985da32b5cc297ddb9c64f952 /arch/arm/mach-lh7a40x | |
parent | 773e9610a7bd44720b8b625d01997b2953edc2db (diff) | |
parent | ee569c43e340202fb0ba427c57b77568a32b9a3a (diff) | |
download | kernel_samsung_aries-112243034cec7c3ef0499fdebf39218714da453d.zip kernel_samsung_aries-112243034cec7c3ef0499fdebf39218714da453d.tar.gz kernel_samsung_aries-112243034cec7c3ef0499fdebf39218714da453d.tar.bz2 |
Merge branch 'clks' into devel
Diffstat (limited to 'arch/arm/mach-lh7a40x')
-rw-r--r-- | arch/arm/mach-lh7a40x/clocks.c | 92 |
1 files changed, 4 insertions, 88 deletions
diff --git a/arch/arm/mach-lh7a40x/clocks.c b/arch/arm/mach-lh7a40x/clocks.c index 4fb23ac..6182f54 100644 --- a/arch/arm/mach-lh7a40x/clocks.c +++ b/arch/arm/mach-lh7a40x/clocks.c @@ -14,21 +14,14 @@ #include <linux/err.h> struct module; -struct icst525_params; struct clk { struct list_head node; unsigned long rate; struct module *owner; const char *name; -// void *data; -// const struct icst525_params *params; -// void (*setvco)(struct clk *, struct icst525_vco vco); }; -int clk_register(struct clk *clk); -void clk_unregister(struct clk *clk); - /* ----- */ #define MAINDIV1(c) (((c) >> 7) & 0x0f) @@ -79,31 +72,15 @@ unsigned int pclkfreq_get (void) /* ----- */ -static LIST_HEAD(clocks); -static DECLARE_MUTEX(clocks_sem); - struct clk *clk_get (struct device *dev, const char *id) { - struct clk *p; - struct clk *clk = ERR_PTR(-ENOENT); - - down (&clocks_sem); - list_for_each_entry (p, &clocks, node) { - if (strcmp (id, p->name) == 0 - && try_module_get(p->owner)) { - clk = p; - break; - } - } - up (&clocks_sem); - - return clk; + return dev && strcmp(dev_name(dev), "cldc-lh7a40x") == 0 + ? NULL : ERR_PTR(-ENOENT); } EXPORT_SYMBOL(clk_get); void clk_put (struct clk *clk) { - module_put(clk->owner); } EXPORT_SYMBOL(clk_put); @@ -118,20 +95,9 @@ void clk_disable (struct clk *clk) } EXPORT_SYMBOL(clk_disable); -int clk_use (struct clk *clk) -{ - return 0; -} -EXPORT_SYMBOL(clk_use); - -void clk_unuse (struct clk *clk) -{ -} -EXPORT_SYMBOL(clk_unuse); - unsigned long clk_get_rate (struct clk *clk) { - return clk->rate; + return 0; } EXPORT_SYMBOL(clk_get_rate); @@ -143,56 +109,6 @@ EXPORT_SYMBOL(clk_round_rate); int clk_set_rate (struct clk *clk, unsigned long rate) { - int ret = -EIO; - return ret; + return -EIO; } EXPORT_SYMBOL(clk_set_rate); - -#if 0 -/* - * These are fixed clocks. - */ -static struct clk kmi_clk = { - .name = "KMIREFCLK", - .rate = 24000000, -}; - -static struct clk uart_clk = { - .name = "UARTCLK", - .rate = 24000000, -}; - -static struct clk mmci_clk = { - .name = "MCLK", - .rate = 33000000, -}; -#endif - -static struct clk clcd_clk = { - .name = "CLCDCLK", - .rate = 0, -}; - -int clk_register (struct clk *clk) -{ - down (&clocks_sem); - list_add (&clk->node, &clocks); - up (&clocks_sem); - return 0; -} -EXPORT_SYMBOL(clk_register); - -void clk_unregister (struct clk *clk) -{ - down (&clocks_sem); - list_del (&clk->node); - up (&clocks_sem); -} -EXPORT_SYMBOL(clk_unregister); - -static int __init clk_init (void) -{ - clk_register(&clcd_clk); - return 0; -} -arch_initcall(clk_init); |