mirror of https://gitee.com/openkylin/linux.git
sh: remove unused clock lookup
Now when all clocks are registered using clkdev, get rid of the special SH-specific clock lookup. Also ditch the unused module ref counting code. This patch syncs the SH behaviour with ARM. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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@ -23,7 +23,6 @@ struct clk {
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struct list_head node;
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struct list_head node;
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const char *name;
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const char *name;
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int id;
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int id;
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struct module *owner;
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struct clk *parent;
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struct clk *parent;
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struct clk_ops *ops;
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struct clk_ops *ops;
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@ -398,49 +398,16 @@ EXPORT_SYMBOL_GPL(clk_round_rate);
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* Returns a clock. Note that we first try to use device id on the bus
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* Returns a clock. Note that we first try to use device id on the bus
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* and clock name. If this fails, we try to use clock name only.
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* and clock name. If this fails, we try to use clock name only.
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*/
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*/
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struct clk *clk_get(struct device *dev, const char *id)
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struct clk *clk_get(struct device *dev, const char *con_id)
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{
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{
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const char *dev_id = dev ? dev_name(dev) : NULL;
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const char *dev_id = dev ? dev_name(dev) : NULL;
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struct clk *p, *clk = ERR_PTR(-ENOENT);
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int idno;
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clk = clk_get_sys(dev_id, id);
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return clk_get_sys(dev_id, con_id);
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if (clk && !IS_ERR(clk))
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return clk;
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if (dev == NULL || dev->bus != &platform_bus_type)
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idno = -1;
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else
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idno = to_platform_device(dev)->id;
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mutex_lock(&clock_list_sem);
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list_for_each_entry(p, &clock_list, node) {
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if (p->name && p->id == idno &&
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strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
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clk = p;
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goto found;
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}
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}
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list_for_each_entry(p, &clock_list, node) {
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if (p->name &&
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strcmp(id, p->name) == 0 && 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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found:
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mutex_unlock(&clock_list_sem);
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return clk;
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}
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}
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EXPORT_SYMBOL_GPL(clk_get);
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EXPORT_SYMBOL_GPL(clk_get);
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void clk_put(struct clk *clk)
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void clk_put(struct clk *clk)
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{
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{
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if (clk && !IS_ERR(clk))
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module_put(clk->owner);
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}
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}
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EXPORT_SYMBOL_GPL(clk_put);
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EXPORT_SYMBOL_GPL(clk_put);
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