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| author | Hans Petter Selasky <hselasky@FreeBSD.org> | 2021-08-20 07:52:32 +0000 |
|---|---|---|
| committer | Hans Petter Selasky <hselasky@FreeBSD.org> | 2021-08-20 07:54:34 +0000 |
| commit | bcb195d91717bf182d27b9ce8cf0e43595c6e763 (patch) | |
| tree | b486d70ca8f0eb2ded4f495c58f1caf1295cdf0b | |
| parent | ced2dcadccfcff8f7991b3cb5f6f70d6710eadfb (diff) | |
| download | src-bcb195d91717bf182d27b9ce8cf0e43595c6e763.tar.gz src-bcb195d91717bf182d27b9ce8cf0e43595c6e763.zip | |
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
| -rw-r--r-- | sys/dev/usb/serial/uftdi.c | 5 |
1 files changed, 1 insertions, 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. |