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authorJohan Hovold <johan@kernel.org>2021-08-04 11:31:00 +0200
committerJohan Hovold <johan@kernel.org>2021-08-04 11:33:10 +0200
commit3212a99349cee5fb611d3ffcf0e65bc3cd6dcf2f (patch)
treeaace07aad3965bd9aed0ebb61317b11b72306d31 /drivers/usb/serial/pl2303.c
parentUSB: serial: option: add Telit FD980 composition 0x1056 (diff)
downloadlinux-dev-3212a99349cee5fb611d3ffcf0e65bc3cd6dcf2f.tar.xz
linux-dev-3212a99349cee5fb611d3ffcf0e65bc3cd6dcf2f.zip
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: 894758d0571d ("USB: serial: pl2303: tighten type HXN (G) detection") Reported-by: Vasily Khoruzhick <anarsoul@gmail.com> Tested-by: Vasily 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: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/serial/pl2303.c')
-rw-r--r--drivers/usb/serial/pl2303.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 17601e32083e..930b3d50a330 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -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.