add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/usb/chipidea/ci.h
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@@ -204,6 +204,7 @@
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  * @in_lpm: if the core in low power mode
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  * @wakeup_int: if wakeup interrupt occur
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  * @rev: The revision number for controller
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+ * @mutex: protect code from concorrent running when doing role switch
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  */
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 struct ci_hdrc {
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 	struct device			*dev;
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@@ -257,6 +258,7 @@
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 	bool				in_lpm;
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 	bool				wakeup_int;
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 	enum ci_revision		rev;
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+	struct mutex                    mutex;
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 };
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 static inline struct ci_role_driver *ci_role(struct ci_hdrc *ci)