From 39e674767e539ba93af6a88fa6c9dc327dee6c48 Mon Sep 17 00:00:00 2001 From: Bill Paul Date: Mon, 7 Jul 2003 18:01:23 +0000 Subject: [PATCH] Add a workaround for the USB_PRODUCT_MCT_SITECOM_USB232 device: limit the bulk out buffer size to 16 bytes. The bulk out endpoint descriptor reports 32 bytes, but if you use this value, data will get dropped. Reviewed/approved by: scottl --- sys/dev/usb/umct.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/sys/dev/usb/umct.c b/sys/dev/usb/umct.c index 37fcb3ca0ea0..ee8feeb96aff 100644 --- a/sys/dev/usb/umct.c +++ b/sys/dev/usb/umct.c @@ -241,7 +241,10 @@ USB_ATTACH(umct) if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) { ucom->sc_bulkout_no = ed->bEndpointAddress; - ucom->sc_obufsize = UGETW(ed->wMaxPacketSize); + if (uaa->product == USB_PRODUCT_MCT_SITECOM_USB232) + ucom->sc_obufsize = 16; /* device is broken */ + else + ucom->sc_obufsize = UGETW(ed->wMaxPacketSize); continue; }