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由 Stephen Boyd 提交于
Some of the helper functions return negative error codes if passed a NULL clock. This can lead to confusing behavior when the expected return value is unsigned. Fix up these accessors so that they return unsigned values (or bool in the case of is_enabled). This way we can't interpret NULL clocks as having valid and interesting values. Signed-off-by: NStephen Boyd <sboyd@codeaurora.org> Signed-off-by: NMike Turquette <mturquette@linaro.org>
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