diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
commit | 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch) | |
tree | fa581f6dc1c0596391690d1f67eceef3af8246dc /drivers/net/wireless/b43/sysfs.c | |
parent | d4e493caf788ef44982e131ff9c786546904d934 (diff) |
Linux-libre 4.5-gnu
Diffstat (limited to 'drivers/net/wireless/b43/sysfs.c')
-rw-r--r-- | drivers/net/wireless/b43/sysfs.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/drivers/net/wireless/b43/sysfs.c b/drivers/net/wireless/b43/sysfs.c deleted file mode 100644 index 3190493bd..000000000 --- a/drivers/net/wireless/b43/sysfs.c +++ /dev/null @@ -1,155 +0,0 @@ -/* - - Broadcom B43 wireless driver - - SYSFS support routines - - Copyright (c) 2006 Michael Buesch <m@bues.ch> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include <linux/capability.h> -#include <linux/io.h> - -#include "b43.h" -#include "sysfs.h" -#include "main.h" -#include "phy_common.h" - -#define GENERIC_FILESIZE 64 - -static int get_integer(const char *buf, size_t count) -{ - char tmp[10 + 1] = { 0 }; - int ret = -EINVAL; - - if (count == 0) - goto out; - count = min_t(size_t, count, 10); - memcpy(tmp, buf, count); - ret = simple_strtol(tmp, NULL, 10); - out: - return ret; -} - -static ssize_t b43_attr_interfmode_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct b43_wldev *wldev = dev_to_b43_wldev(dev); - ssize_t count = 0; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - mutex_lock(&wldev->wl->mutex); - - if (wldev->phy.type != B43_PHYTYPE_G) { - mutex_unlock(&wldev->wl->mutex); - return -ENOSYS; - } - - switch (wldev->phy.g->interfmode) { - case B43_INTERFMODE_NONE: - count = - snprintf(buf, PAGE_SIZE, - "0 (No Interference Mitigation)\n"); - break; - case B43_INTERFMODE_NONWLAN: - count = - snprintf(buf, PAGE_SIZE, - "1 (Non-WLAN Interference Mitigation)\n"); - break; - case B43_INTERFMODE_MANUALWLAN: - count = - snprintf(buf, PAGE_SIZE, - "2 (WLAN Interference Mitigation)\n"); - break; - default: - B43_WARN_ON(1); - } - - mutex_unlock(&wldev->wl->mutex); - - return count; -} - -static ssize_t b43_attr_interfmode_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct b43_wldev *wldev = dev_to_b43_wldev(dev); - int err; - int mode; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - mode = get_integer(buf, count); - switch (mode) { - case 0: - mode = B43_INTERFMODE_NONE; - break; - case 1: - mode = B43_INTERFMODE_NONWLAN; - break; - case 2: - mode = B43_INTERFMODE_MANUALWLAN; - break; - case 3: - mode = B43_INTERFMODE_AUTOWLAN; - break; - default: - return -EINVAL; - } - - mutex_lock(&wldev->wl->mutex); - - if (wldev->phy.ops->interf_mitigation) { - err = wldev->phy.ops->interf_mitigation(wldev, mode); - if (err) { - b43err(wldev->wl, "Interference Mitigation not " - "supported by device\n"); - } - } else - err = -ENOSYS; - - mmiowb(); - mutex_unlock(&wldev->wl->mutex); - - return err ? err : count; -} - -static DEVICE_ATTR(interference, 0644, - b43_attr_interfmode_show, b43_attr_interfmode_store); - -int b43_sysfs_register(struct b43_wldev *wldev) -{ - struct device *dev = wldev->dev->dev; - - B43_WARN_ON(b43_status(wldev) != B43_STAT_INITIALIZED); - - return device_create_file(dev, &dev_attr_interference); -} - -void b43_sysfs_unregister(struct b43_wldev *wldev) -{ - struct device *dev = wldev->dev->dev; - - device_remove_file(dev, &dev_attr_interference); -} |