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[ARM] lh7a40x: convert to simple clk API
lh7a40x only uses the clk API for the framebuffer, so there's no point having a complicated implementation. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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parent
846b368eb9
commit
80a5931b51
1 changed files with 4 additions and 61 deletions
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@ -72,31 +72,15 @@ unsigned int pclkfreq_get (void)
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/* ----- */
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static LIST_HEAD(clocks);
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static DECLARE_MUTEX(clocks_sem);
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struct clk *clk_get (struct device *dev, const char *id)
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{
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struct clk *p;
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struct clk *clk = ERR_PTR(-ENOENT);
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down (&clocks_sem);
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list_for_each_entry (p, &clocks, node) {
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if (strcmp (id, p->name) == 0
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&& try_module_get(p->owner)) {
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clk = p;
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break;
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}
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}
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up (&clocks_sem);
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return clk;
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return dev && strcmp(dev_name(dev), "cldc-lh7a40x") == 0
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? NULL : ERR_PTR(-ENOENT);
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}
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EXPORT_SYMBOL(clk_get);
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void clk_put (struct clk *clk)
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{
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module_put(clk->owner);
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}
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EXPORT_SYMBOL(clk_put);
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@ -111,20 +95,9 @@ void clk_disable (struct clk *clk)
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}
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EXPORT_SYMBOL(clk_disable);
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int clk_use (struct clk *clk)
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{
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return 0;
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}
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EXPORT_SYMBOL(clk_use);
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void clk_unuse (struct clk *clk)
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{
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}
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EXPORT_SYMBOL(clk_unuse);
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unsigned long clk_get_rate (struct clk *clk)
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{
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return clk->rate;
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return 0;
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}
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EXPORT_SYMBOL(clk_get_rate);
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@ -136,36 +109,6 @@ EXPORT_SYMBOL(clk_round_rate);
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int clk_set_rate (struct clk *clk, unsigned long rate)
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{
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int ret = -EIO;
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return ret;
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return -EIO;
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}
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EXPORT_SYMBOL(clk_set_rate);
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static struct clk clcd_clk = {
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.name = "CLCDCLK",
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.rate = 0,
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};
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int clk_register (struct clk *clk)
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{
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down (&clocks_sem);
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list_add (&clk->node, &clocks);
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up (&clocks_sem);
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return 0;
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}
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EXPORT_SYMBOL(clk_register);
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void clk_unregister (struct clk *clk)
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{
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down (&clocks_sem);
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list_del (&clk->node);
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up (&clocks_sem);
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}
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EXPORT_SYMBOL(clk_unregister);
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static int __init clk_init (void)
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{
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clk_register(&clcd_clk);
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return 0;
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}
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arch_initcall(clk_init);
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