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Date: Tue, 10 Aug 2021 19:29:46 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Vasily Khoruzhick <anarsoul@...il.com>, Johan Hovold <johan@...nel.org> Subject: [PATCH 5.13 078/175] USB: serial: pl2303: fix GT type detection From: Johan Hovold <johan@...nel.org> commit 3212a99349cee5fb611d3ffcf0e65bc3cd6dcf2f upstream. 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@...il.com> Tested-by: Vasily Khoruzhick <anarsoul@...il.com> Cc: stable@...r.kernel.org # 5.13 Link: https://lore.kernel.org/r/20210804093100.24811-1-johan@kernel.org Signed-off-by: Johan Hovold <johan@...nel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/usb/serial/pl2303.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -432,6 +432,7 @@ static int pl2303_detect_type(struct usb 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.
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