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authorRobert Marko <robert.marko@sartura.hr>2021-08-26 13:02:39 +0200
committerJohan Hovold <johan@kernel.org>2021-08-30 09:21:55 +0200
commitdcf097e7d21fbdfbf20e473ac155f4d154018374 (patch)
treeb6dab7fa327b206bb21ab3fc322dee7f75d3535f
parentRevert "USB: serial: ch341: fix character loss at high transfer rates" (diff)
downloadlinux-dcf097e7d21fbdfbf20e473ac155f4d154018374.tar.xz
linux-dcf097e7d21fbdfbf20e473ac155f4d154018374.zip
USB: serial: pl2303: fix GL type detection
At least some PL2303GL have a bcdDevice of 0x405 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") Signed-off-by: Robert Marko <robert.marko@sartura.hr> Cc: stable@vger.kernel.org # 5.13 Link: https://lore.kernel.org/r/20210826110239.5269-1-robert.marko@sartura.hr Signed-off-by: Johan Hovold <johan@kernel.org>
-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 930b3d50a330..f45ca7ddf78e 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -433,6 +433,7 @@ static int pl2303_detect_type(struct usb_serial *serial)
switch (bcdDevice) {
case 0x100:
case 0x305:
+ case 0x405:
/*
* Assume it's an HXN-type if the device doesn't
* support the old read request value.