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usb: gadget: Gadget directory cleanup - group usb functions
The drivers/usb/gadget directory contains many files. Files which are related can be distributed into separate directories. This patch moves the USB functions implementations into a separate directory. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Andrzej Pietrasiewicz
committed by
Felipe Balbi
Felipe Balbi
parent
90fccb529d
commit
00a2430ff0
164
drivers/usb/gadget/function/u_ether_configfs.h
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164
drivers/usb/gadget/function/u_ether_configfs.h
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@@ -0,0 +1,164 @@
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/*
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* u_ether_configfs.h
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*
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* Utility definitions for configfs support in USB Ethernet functions
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*
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* Copyright (c) 2013 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __U_ETHER_CONFIGFS_H
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#define __U_ETHER_CONFIGFS_H
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#define USB_ETHERNET_CONFIGFS_ITEM(_f_) \
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CONFIGFS_ATTR_STRUCT(f_##_f_##_opts); \
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CONFIGFS_ATTR_OPS(f_##_f_##_opts); \
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\
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static void _f_##_attr_release(struct config_item *item) \
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{ \
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struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \
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\
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usb_put_function_instance(&opts->func_inst); \
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} \
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\
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static struct configfs_item_operations _f_##_item_ops = { \
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.release = _f_##_attr_release, \
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.show_attribute = f_##_f_##_opts_attr_show, \
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.store_attribute = f_##_f_##_opts_attr_store, \
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}
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#define USB_ETHERNET_CONFIGFS_ITEM_ATTR_DEV_ADDR(_f_) \
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static ssize_t _f_##_opts_dev_addr_show(struct f_##_f_##_opts *opts, \
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char *page) \
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{ \
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int result; \
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\
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mutex_lock(&opts->lock); \
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result = gether_get_dev_addr(opts->net, page, PAGE_SIZE); \
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mutex_unlock(&opts->lock); \
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\
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return result; \
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} \
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\
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static ssize_t _f_##_opts_dev_addr_store(struct f_##_f_##_opts *opts, \
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const char *page, size_t len)\
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{ \
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int ret; \
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\
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mutex_lock(&opts->lock); \
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if (opts->refcnt) { \
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mutex_unlock(&opts->lock); \
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return -EBUSY; \
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} \
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\
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ret = gether_set_dev_addr(opts->net, page); \
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mutex_unlock(&opts->lock); \
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if (!ret) \
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ret = len; \
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return ret; \
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} \
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\
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static struct f_##_f_##_opts_attribute f_##_f_##_opts_dev_addr = \
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__CONFIGFS_ATTR(dev_addr, S_IRUGO | S_IWUSR, \
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_f_##_opts_dev_addr_show, \
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_f_##_opts_dev_addr_store)
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#define USB_ETHERNET_CONFIGFS_ITEM_ATTR_HOST_ADDR(_f_) \
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static ssize_t _f_##_opts_host_addr_show(struct f_##_f_##_opts *opts, \
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char *page) \
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{ \
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int result; \
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\
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mutex_lock(&opts->lock); \
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result = gether_get_host_addr(opts->net, page, PAGE_SIZE); \
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mutex_unlock(&opts->lock); \
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\
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return result; \
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} \
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\
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static ssize_t _f_##_opts_host_addr_store(struct f_##_f_##_opts *opts, \
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const char *page, size_t len)\
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{ \
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int ret; \
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\
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mutex_lock(&opts->lock); \
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if (opts->refcnt) { \
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mutex_unlock(&opts->lock); \
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return -EBUSY; \
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} \
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\
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ret = gether_set_host_addr(opts->net, page); \
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mutex_unlock(&opts->lock); \
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if (!ret) \
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ret = len; \
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return ret; \
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} \
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\
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static struct f_##_f_##_opts_attribute f_##_f_##_opts_host_addr = \
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__CONFIGFS_ATTR(host_addr, S_IRUGO | S_IWUSR, \
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_f_##_opts_host_addr_show, \
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_f_##_opts_host_addr_store)
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#define USB_ETHERNET_CONFIGFS_ITEM_ATTR_QMULT(_f_) \
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static ssize_t _f_##_opts_qmult_show(struct f_##_f_##_opts *opts, \
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char *page) \
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{ \
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unsigned qmult; \
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\
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mutex_lock(&opts->lock); \
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qmult = gether_get_qmult(opts->net); \
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mutex_unlock(&opts->lock); \
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return sprintf(page, "%d", qmult); \
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} \
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\
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static ssize_t _f_##_opts_qmult_store(struct f_##_f_##_opts *opts, \
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const char *page, size_t len)\
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{ \
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u8 val; \
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int ret; \
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\
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mutex_lock(&opts->lock); \
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if (opts->refcnt) { \
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ret = -EBUSY; \
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goto out; \
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} \
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\
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ret = kstrtou8(page, 0, &val); \
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if (ret) \
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goto out; \
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\
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gether_set_qmult(opts->net, val); \
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ret = len; \
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out: \
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mutex_unlock(&opts->lock); \
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return ret; \
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} \
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\
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static struct f_##_f_##_opts_attribute f_##_f_##_opts_qmult = \
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__CONFIGFS_ATTR(qmult, S_IRUGO | S_IWUSR, \
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_f_##_opts_qmult_show, \
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_f_##_opts_qmult_store)
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#define USB_ETHERNET_CONFIGFS_ITEM_ATTR_IFNAME(_f_) \
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static ssize_t _f_##_opts_ifname_show(struct f_##_f_##_opts *opts, \
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char *page) \
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{ \
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int ret; \
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\
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mutex_lock(&opts->lock); \
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ret = gether_get_ifname(opts->net, page, PAGE_SIZE); \
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mutex_unlock(&opts->lock); \
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\
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return ret; \
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} \
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\
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static struct f_##_f_##_opts_attribute f_##_f_##_opts_ifname = \
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__CONFIGFS_ATTR_RO(ifname, _f_##_opts_ifname_show)
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#endif /* __U_ETHER_CONFIGFS_H */
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