The branch main has been updated by hselasky:
URL:
https://cgit.FreeBSD.org/src/commit/?id=bcb195d91717bf182d27b9ce8cf0e43595c6e763
commit bcb195d91717bf182d27b9ce8cf0e43595c6e763
Author: Hans Petter Selasky <hsela...@freebsd.org>
AuthorDate: 2021-08-20 07:52:32 +0000
Commit: Hans Petter Selasky <hsela...@freebsd.org>
CommitDate: 2021-08-20 07:54:34 +0000
Partial revert of f83f5d58394db57576bbed6dc7531997cabeb102 for uftdi(4).
Apparently devices with bcdDevice less than 0x0600, have problems receiving
ZLPs.
Reported by: kevlo@
MFC after: 1 week
Sponsored by: NVIDIA Networking
---
sys/dev/usb/serial/uftdi.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/sys/dev/usb/serial/uftdi.c b/sys/dev/usb/serial/uftdi.c
index eaf4a9e78086..7fd531b3e381 100644
--- a/sys/dev/usb/serial/uftdi.c
+++ b/sys/dev/usb/serial/uftdi.c
@@ -1117,7 +1117,7 @@ uftdi_attach(device_t dev)
}
/* clear stall at first run */
mtx_lock(&sc->sc_mtx);
- usbd_xfer_set_zlp(sc->sc_xfer[UFTDI_BULK_DT_WR]);
+ usbd_xfer_set_stall(sc->sc_xfer[UFTDI_BULK_DT_WR]);
mtx_unlock(&sc->sc_mtx);
/* set a valid "lcr" value */
@@ -1215,9 +1215,6 @@ uftdi_write_callback(struct usb_xfer *xfer, usb_error_t
error)
case USB_ST_SETUP:
case USB_ST_TRANSFERRED:
tr_setup:
- if (usbd_xfer_get_and_clr_zlp(xfer))
- break;
-
/*
* If output packets don't require headers (the common case) we
* can just load the buffer up with payload bytes all at once.
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