diff options
| author | Chunfeng Yun | 2019-03-21 03:53:45 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2019-03-26 08:40:13 +0100 |
| commit | 48e0d3735aa557a8adaf94632ca3cf78798e8505 (patch) | |
| tree | 8769798ea7b0a5a9410580bd5c15f0ad5b55ca06 /drivers/usb/mtu3/mtu3_gadget.c | |
| parent | usb: mtu3: rebuild qmu_gpd struct to prepare to support new QMU format (diff) | |
| download | kernel-qcow2-linux-48e0d3735aa557a8adaf94632ca3cf78798e8505.tar.gz kernel-qcow2-linux-48e0d3735aa557a8adaf94632ca3cf78798e8505.tar.xz kernel-qcow2-linux-48e0d3735aa557a8adaf94632ca3cf78798e8505.zip | |
usb: mtu3: supports new QMU format
In order to support U3gen2 ISOC transfer upto 96DPs, extend
the data buffer length.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/mtu3/mtu3_gadget.c')
| -rw-r--r-- | drivers/usb/mtu3/mtu3_gadget.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/usb/mtu3/mtu3_gadget.c b/drivers/usb/mtu3/mtu3_gadget.c index bbcd3332471d..fe798b94a357 100644 --- a/drivers/usb/mtu3/mtu3_gadget.c +++ b/drivers/usb/mtu3/mtu3_gadget.c @@ -278,10 +278,12 @@ static int mtu3_gadget_queue(struct usb_ep *ep, __func__, mep->is_in ? "TX" : "RX", mreq->epnum, ep->name, mreq, ep->maxpacket, mreq->request.length); - if (req->length > GPD_BUF_SIZE) { + if (req->length > GPD_BUF_SIZE || + (mtu->gen2cp && req->length > GPD_BUF_SIZE_EL)) { dev_warn(mtu->dev, "req length > supported MAX:%d requested:%d\n", - GPD_BUF_SIZE, req->length); + mtu->gen2cp ? GPD_BUF_SIZE_EL : GPD_BUF_SIZE, + req->length); return -EOPNOTSUPP; } |