diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2012-10-28 19:28:52 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-10-28 19:29:19 +0100 |
| commit | 3bd7bf1f0fe14f591c089ae61bbfa9bd356f178a (patch) | |
| tree | 0058693cc9e70b7461dae551f8a19aff2efd13ca /drivers/usb/serial/ezusb.c | |
| parent | f16f84937d769c893492160b1a8c3672e3992beb (diff) | |
| parent | e657e078d3dfa9f96976db7a2b5fd7d7c9f1f1a6 (diff) | |
Merge branch 'master' into for-next
Sync up with Linus' tree to be able to apply Cesar's patch
against newer version of the code.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/usb/serial/ezusb.c')
| -rw-r--r-- | drivers/usb/serial/ezusb.c | 59 |
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 800e8eb60003..000000000000 --- 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); - |