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| author |   Johan Hovold <johan@kernel.org> | 2022-05-17 18:17:36 +0200 |
|---|---|---|
| committer | Johan Hovold <johan@kernel.org> | 2022-05-18 13:57:00 +0200 |
| commit | e82e7c6dde91acd6748d672a44dc1980ce239f86 (patch) | |
| tree | ab094060038ea058f0d591d9585e82e4c508b03c /drivers/usb | |
| parent | USB: serial: ftdi_sio: clean up printk format specifier (diff) | |
| download | linux-dev-e82e7c6dde91acd6748d672a44dc1980ce239f86.tar.xz linux-dev-e82e7c6dde91acd6748d672a44dc1980ce239f86.zip | |
USB: serial: pl2303: fix type detection for odd device
At least one pl2303 device has a bcdUSB of 1.0.1 which most likely was
was intended as 1.1.
Allow bcdDevice 1.0.1 but interpret it as 1.1.
Fixes: 1e9faef4d26d ("USB: serial: pl2303: fix HX type detection")
Cc: stable@vger.kernel.org # 5.13
Link: https://lore.kernel.org/linux-usb/CAJixRzqf4a9-ZKZDgWxicc_BpfdZVE9qqGmkiO7xEstOXUbGvQ@mail.gmail.com
Reported-by: Gary van der Merwe <gary.vandermerwe@fnb.co.za>
Link: https://lore.kernel.org/r/20220517161736.13313-1-johan@kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/serial/pl2303.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 88b284d61681..e0555d313c2b 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -420,6 +420,9 @@ static int pl2303_detect_type(struct usb_serial *serial) bcdUSB = le16_to_cpu(desc->bcdUSB); switch (bcdUSB) { + case 0x101: + /* USB 1.0.1? Let's assume they meant 1.1... */ + fallthrough; case 0x110: switch (bcdDevice) { case 0x300: |