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author	Kuen-Han Tsai <khtsai@google.com>
	Mon, 18 Aug 2025 08:27:19 +0000 (16:27 +0800)
committer	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
	Fri, 12 Sep 2025 12:03:14 +0000 (14:03 +0200)
commit	7bf1158514e410310aec975e630cec99d4e4092f
tree	6e8c3708c10d2144cdb4cad2b960d87b82736d76	tree \| snapshot
parent	e77ee1d2a8fa0f3179d4ac7b7d35b555da6a8cea	commit \| diff

usb: udc: Add trace event for usb_gadget_set_state

While the userspace program can be notified of gadget state changes,
timing issue can lead to missed transitions when reading the state
value.

Introduce a trace event for usb_gadget_set_state to reliably track state
transitions.

Signed-off-by: Kuen-Han Tsai <khtsai@google.com>
Link: https://lore.kernel.org/r/20250818082722.2952867-1-khtsai@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/gadget/udc/core.c		diff \| blob \| blame \| history
drivers/usb/gadget/udc/trace.h		diff \| blob \| blame \| history

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