question on when to call usb_serial_handle_dcd_change()

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To: Johan Hovold <johan@xxxxxxxxxx>
Subject: question on when to call usb_serial_handle_dcd_change()
From: Oliver Neukum <oneukum@xxxxxxxx>
Date: Tue, 14 Jun 2022 16:29:40 +0200
Cc: USB list <linux-usb@xxxxxxxxxxxxxxx>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0

Hi,

can this be called unconditionally, that is even for a closed tty?

	Regards
		Oliver

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