diff options
Diffstat (limited to 'drivers/usb/gadget/u_ether_configfs.h')
| -rw-r--r-- | drivers/usb/gadget/u_ether_configfs.h | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/drivers/usb/gadget/u_ether_configfs.h b/drivers/usb/gadget/u_ether_configfs.h deleted file mode 100644 index bcbd30146cfd..000000000000 --- a/drivers/usb/gadget/u_ether_configfs.h +++ /dev/null @@ -1,164 +0,0 @@ -/* - * u_ether_configfs.h - * - * Utility definitions for configfs support in USB Ethernet functions - * - * Copyright (c) 2013 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.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. - */ - -#ifndef __U_ETHER_CONFIGFS_H -#define __U_ETHER_CONFIGFS_H - -#define USB_ETHERNET_CONFIGFS_ITEM(_f_) \ - CONFIGFS_ATTR_STRUCT(f_##_f_##_opts); \ - CONFIGFS_ATTR_OPS(f_##_f_##_opts); \ - \ - static void _f_##_attr_release(struct config_item *item) \ - { \ - struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ - \ - usb_put_function_instance(&opts->func_inst); \ - } \ - \ - static struct configfs_item_operations _f_##_item_ops = { \ - .release = _f_##_attr_release, \ - .show_attribute = f_##_f_##_opts_attr_show, \ - .store_attribute = f_##_f_##_opts_attr_store, \ - } - -#define USB_ETHERNET_CONFIGFS_ITEM_ATTR_DEV_ADDR(_f_) \ - static ssize_t _f_##_opts_dev_addr_show(struct f_##_f_##_opts *opts, \ - char *page) \ - { \ - int result; \ - \ - mutex_lock(&opts->lock); \ - result = gether_get_dev_addr(opts->net, page, PAGE_SIZE); \ - mutex_unlock(&opts->lock); \ - \ - return result; \ - } \ - \ - static ssize_t _f_##_opts_dev_addr_store(struct f_##_f_##_opts *opts, \ - const char *page, size_t len)\ - { \ - int ret; \ - \ - mutex_lock(&opts->lock); \ - if (opts->refcnt) { \ - mutex_unlock(&opts->lock); \ - return -EBUSY; \ - } \ - \ - ret = gether_set_dev_addr(opts->net, page); \ - mutex_unlock(&opts->lock); \ - if (!ret) \ - ret = len; \ - return ret; \ - } \ - \ - static struct f_##_f_##_opts_attribute f_##_f_##_opts_dev_addr = \ - __CONFIGFS_ATTR(dev_addr, S_IRUGO | S_IWUSR, \ - _f_##_opts_dev_addr_show, \ - _f_##_opts_dev_addr_store) - -#define USB_ETHERNET_CONFIGFS_ITEM_ATTR_HOST_ADDR(_f_) \ - static ssize_t _f_##_opts_host_addr_show(struct f_##_f_##_opts *opts, \ - char *page) \ - { \ - int result; \ - \ - mutex_lock(&opts->lock); \ - result = gether_get_host_addr(opts->net, page, PAGE_SIZE); \ - mutex_unlock(&opts->lock); \ - \ - return result; \ - } \ - \ - static ssize_t _f_##_opts_host_addr_store(struct f_##_f_##_opts *opts, \ - const char *page, size_t len)\ - { \ - int ret; \ - \ - mutex_lock(&opts->lock); \ - if (opts->refcnt) { \ - mutex_unlock(&opts->lock); \ - return -EBUSY; \ - } \ - \ - ret = gether_set_host_addr(opts->net, page); \ - mutex_unlock(&opts->lock); \ - if (!ret) \ - ret = len; \ - return ret; \ - } \ - \ - static struct f_##_f_##_opts_attribute f_##_f_##_opts_host_addr = \ - __CONFIGFS_ATTR(host_addr, S_IRUGO | S_IWUSR, \ - _f_##_opts_host_addr_show, \ - _f_##_opts_host_addr_store) - -#define USB_ETHERNET_CONFIGFS_ITEM_ATTR_QMULT(_f_) \ - static ssize_t _f_##_opts_qmult_show(struct f_##_f_##_opts *opts, \ - char *page) \ - { \ - unsigned qmult; \ - \ - mutex_lock(&opts->lock); \ - qmult = gether_get_qmult(opts->net); \ - mutex_unlock(&opts->lock); \ - return sprintf(page, "%d", qmult); \ - } \ - \ - static ssize_t _f_##_opts_qmult_store(struct f_##_f_##_opts *opts, \ - const char *page, size_t len)\ - { \ - u8 val; \ - int ret; \ - \ - mutex_lock(&opts->lock); \ - if (opts->refcnt) { \ - ret = -EBUSY; \ - goto out; \ - } \ - \ - ret = kstrtou8(page, 0, &val); \ - if (ret) \ - goto out; \ - \ - gether_set_qmult(opts->net, val); \ - ret = len; \ -out: \ - mutex_unlock(&opts->lock); \ - return ret; \ - } \ - \ - static struct f_##_f_##_opts_attribute f_##_f_##_opts_qmult = \ - __CONFIGFS_ATTR(qmult, S_IRUGO | S_IWUSR, \ - _f_##_opts_qmult_show, \ - _f_##_opts_qmult_store) - -#define USB_ETHERNET_CONFIGFS_ITEM_ATTR_IFNAME(_f_) \ - static ssize_t _f_##_opts_ifname_show(struct f_##_f_##_opts *opts, \ - char *page) \ - { \ - int ret; \ - \ - mutex_lock(&opts->lock); \ - ret = gether_get_ifname(opts->net, page, PAGE_SIZE); \ - mutex_unlock(&opts->lock); \ - \ - return ret; \ - } \ - \ - static struct f_##_f_##_opts_attribute f_##_f_##_opts_ifname = \ - __CONFIGFS_ATTR_RO(ifname, _f_##_opts_ifname_show) - -#endif /* __U_ETHER_CONFIGFS_H */ |