clk: Make clk_get_rate() return 0 on error
Most users of clk_get_rate() actually assume a non zero return value as a valid rate returned. Returing -EINVAL might confuse such users, so make it instead return zero on error. Besides the return value of clk_get_rate seems to be 'unsigned long'. Signed-off-by: Rajendra nayak <rnayak@ti.com> Signed-off-by: Mike Turquette <mturquette@linaro.org>
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34e44fe874
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@ -285,7 +285,7 @@ unsigned long __clk_get_rate(struct clk *clk)
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unsigned long ret;
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if (!clk) {
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ret = -EINVAL;
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ret = 0;
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goto out;
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}
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@ -295,7 +295,7 @@ unsigned long __clk_get_rate(struct clk *clk)
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goto out;
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if (!clk->parent)
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ret = -ENODEV;
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ret = 0;
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out:
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return ret;
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@ -560,7 +560,7 @@ EXPORT_SYMBOL_GPL(clk_enable);
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* @clk: the clk whose rate is being returned
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*
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* Simply returns the cached rate of the clk. Does not query the hardware. If
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* clk is NULL then returns -EINVAL.
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* clk is NULL then returns 0.
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*/
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unsigned long clk_get_rate(struct clk *clk)
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{
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