cp210x.c (ba4bbdabecd11530dca78dbae3ee7e51ffdc0a06) cp210x.c (befc28a720362cb2b14601b5ba3d1f4c600ffaec)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Silicon Laboratories CP210x USB to RS232 serial adaptor driver
4 *
5 * Copyright (C) 2005 Craig Shelley (craig@microtron.org.uk)
6 * Copyright (C) 2010-2021 Johan Hovold (johan@kernel.org)
7 *
8 * Support to set flow control line levels using TIOCMGET and TIOCMSET

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633
634 dmabuf = kmalloc(bufsize, GFP_KERNEL);
635 if (!dmabuf)
636 return -ENOMEM;
637
638 result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
639 req, REQTYPE_INTERFACE_TO_HOST, 0,
640 port_priv->bInterfaceNumber, dmabuf, bufsize,
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Silicon Laboratories CP210x USB to RS232 serial adaptor driver
4 *
5 * Copyright (C) 2005 Craig Shelley (craig@microtron.org.uk)
6 * Copyright (C) 2010-2021 Johan Hovold (johan@kernel.org)
7 *
8 * Support to set flow control line levels using TIOCMGET and TIOCMSET

--- 624 unchanged lines hidden (view full) ---

633
634 dmabuf = kmalloc(bufsize, GFP_KERNEL);
635 if (!dmabuf)
636 return -ENOMEM;
637
638 result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
639 req, REQTYPE_INTERFACE_TO_HOST, 0,
640 port_priv->bInterfaceNumber, dmabuf, bufsize,
641 USB_CTRL_SET_TIMEOUT);
641 USB_CTRL_GET_TIMEOUT);
642 if (result == bufsize) {
643 memcpy(buf, dmabuf, bufsize);
644 result = 0;
645 } else {
646 dev_err(&port->dev, "failed get req 0x%x size %d status: %d\n",
647 req, bufsize, result);
648 if (result >= 0)
649 result = -EIO;

--- 1539 unchanged lines hidden --- 		642 if (result == bufsize) {
643 memcpy(buf, dmabuf, bufsize);
644 result = 0;
645 } else {
646 dev_err(&port->dev, "failed get req 0x%x size %d status: %d\n",
647 req, bufsize, result);
648 if (result >= 0)
649 result = -EIO;

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