/* * 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 * * 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_) \ 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, \ } #define USB_ETHERNET_CONFIGFS_ITEM_ATTR_DEV_ADDR(_f_) \ static ssize_t _f_##_opts_dev_addr_show(struct config_item *item, \ char *page) \ { \ struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ 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 config_item *item, \ const char *page, size_t len)\ { \ struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ 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; \ } \ \ CONFIGFS_ATTR(_f_##_opts_, dev_addr) #define USB_ETHERNET_CONFIGFS_ITEM_ATTR_HOST_ADDR(_f_) \ static ssize_t _f_##_opts_host_addr_show(struct config_item *item, \ char *page) \ { \ struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ 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 config_item *item, \ const char *page, size_t len)\ { \ struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ 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; \ } \ \ CONFIGFS_ATTR(_f_##_opts_, host_addr) #define USB_ETHERNET_CONFIGFS_ITEM_ATTR_QMULT(_f_) \ static ssize_t _f_##_opts_qmult_show(struct config_item *item, \ char *page) \ { \ struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ 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 config_item *item, \ const char *page, size_t len)\ { \ struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ 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; \ } \ \ CONFIGFS_ATTR(_f_##_opts_, qmult) #define USB_ETHERNET_CONFIGFS_ITEM_ATTR_IFNAME(_f_) \ static ssize_t _f_##_opts_ifname_show(struct config_item *item, \ char *page) \ { \ struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ int ret; \ \ mutex_lock(&opts->lock); \ ret = gether_get_ifname(opts->net, page, PAGE_SIZE); \ mutex_unlock(&opts->lock); \ \ return ret; \ } \ \ CONFIGFS_ATTR_RO(_f_##_opts_, ifname) #endif /* __U_ETHER_CONFIGFS_H */ option>mode:
authorRoger Shimizu <rogershimizu@gmail.com>2017-01-30 20:07:29 +0900
committerGregory CLEMENT <gregory.clement@free-electrons.com>2017-01-31 12:19:32 +0100
commit81917bad86a66f2bdcb12b4c10ab1bf333ed25ec (patch)
tree3d56cb771fc5f0a37412e62f99aacc6d21a646c0 /sound/usb/stream.c
parent0c744ea4f77d72b3dcebb7a8f2684633ec79be88 (diff)
ARM: dts: orion5x-lschl: Fix model name
Model name should be consistent with legacy device file, so that user can migrate their system from legacy device support to device-tree safely. Legacy device file is currently removed, but it can be found on 4.8 or previous version of linux: arch/arm/mach-orion5x/ls-chl-setup.c Fixes: f94f268979a2 ("ARM: dts: orion5x: convert ls-chl to FDT") Cc: Ashley Hughes <ashley.hughes@blueyonder.co.uk> Signed-off-by: Roger Shimizu <rogershimizu@gmail.com> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Diffstat (limited to 'sound/usb/stream.c')