Commit 3212a993 authored by Johan Hovold's avatar Johan Hovold
Browse files

USB: serial: pl2303: fix GT type detection 



At least some PL2303GT have a bcdDevice of 0x305 instead of 0x100 as the
datasheet claims. Add it to the list of known release numbers for the
HXN (G) type.

Fixes: 894758d0 ("USB: serial: pl2303: tighten type HXN (G) detection")
Reported-by: default avatarVasily Khoruzhick <anarsoul@gmail.com>
Tested-by: default avatarVasily Khoruzhick <anarsoul@gmail.com>
Cc: stable@vger.kernel.org	# 5.13
Link: https://lore.kernel.org/r/20210804093100.24811-1-johan@kernel.org


Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
parent 5648c073

drivers/usb/serial/pl2303.c

+1 −0
Original line number Diff line number Diff line
@@ -432,6 +432,7 @@ static int pl2303_detect_type(struct usb_serial *serial) 
	case 0x200:

		switch (bcdDevice) {

		case 0x100:

		case 0x305:

			/*

			 * Assume it's an HXN-type if the device doesn't

			 * support the old read request value.