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-rw-r--r--Documentation/usb/gadget_serial.txt8
1 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/usb/gadget_serial.txt b/Documentation/usb/gadget_serial.txt
index 61e67f6a20a0..6b4a88a8c8e3 100644
--- a/Documentation/usb/gadget_serial.txt
+++ b/Documentation/usb/gadget_serial.txt
@@ -236,8 +236,12 @@ I: If#= 0 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=serial
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
-You must explicitly load the usbserial driver with parameters to
-configure it to recognize the gadget serial device, like this:
+You must load the usbserial driver and explicitly set its parameters
+to configure it to recognize the gadget serial device, like this:
+
+ echo 0x0525 0xA4A6 >/sys/bus/usb-serial/drivers/generic/new_id
+
+The legacy way is to use module parameters:
modprobe usbserial vendor=0x0525 product=0xA4A6