summaryrefslogtreecommitdiffstats
path: root/drivers/usb/serial/ezusb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/serial/ezusb.c')
-rw-r--r--drivers/usb/serial/ezusb.c59
1 files changed, 0 insertions, 59 deletions
diff --git a/drivers/usb/serial/ezusb.c b/drivers/usb/serial/ezusb.c
deleted file mode 100644
index 800e8eb6000..00000000000
--- a/drivers/usb/serial/ezusb.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * EZ-USB specific functions used by some of the USB to Serial drivers.
- *
- * Copyright (C) 1999 - 2002 Greg Kroah-Hartman (greg@kroah.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version
- * 2 as published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/tty.h>
-#include <linux/module.h>
-#include <linux/usb.h>
-#include <linux/usb/serial.h>
-
-/* EZ-USB Control and Status Register. Bit 0 controls 8051 reset */
-#define CPUCS_REG 0x7F92
-
-int ezusb_writememory(struct usb_serial *serial, int address,
- unsigned char *data, int length, __u8 request)
-{
- int result;
- unsigned char *transfer_buffer;
-
- if (!serial->dev) {
- printk(KERN_ERR "ezusb: %s - no physical device present, "
- "failing.\n", __func__);
- return -ENODEV;
- }
-
- transfer_buffer = kmemdup(data, length, GFP_KERNEL);
- if (!transfer_buffer) {
- dev_err(&serial->dev->dev, "%s - kmalloc(%d) failed.\n",
- __func__, length);
- return -ENOMEM;
- }
- result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
- request, 0x40, address, 0, transfer_buffer, length, 3000);
- kfree(transfer_buffer);
- return result;
-}
-EXPORT_SYMBOL_GPL(ezusb_writememory);
-
-int ezusb_set_reset(struct usb_serial *serial, unsigned char reset_bit)
-{
- int response;
-
- response = ezusb_writememory(serial, CPUCS_REG, &reset_bit, 1, 0xa0);
- if (response < 0)
- dev_err(&serial->dev->dev, "%s- %d failed\n",
- __func__, reset_bit);
- return response;
-}
-EXPORT_SYMBOL_GPL(ezusb_set_reset);
-