/*
 * Linux WiMAX
 * Internal API for kernel space WiMAX stack
 *
 *
 * Copyright (C) 2007 Intel Corporation <linux-wimax@intel.com>
 * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.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.
 *
 * 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; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 *
 *
 * This header file is for declarations and definitions internal to
 * the WiMAX stack. For public APIs and documentation, see
 * include/net/wimax.h and include/linux/wimax.h.
 */

#ifndef __WIMAX_INTERNAL_H__
#define __WIMAX_INTERNAL_H__
#ifdef __KERNEL__

#ifdef pr_fmt
#undef pr_fmt
#endif

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/device.h>
#include <net/wimax.h>


/*
 * Decide if a (locked) device is ready for use
 *
 * Before using the device structure, it must be locked
 * (wimax_dev->mutex). As well, most operations need to call this
 * function to check if the state is the right one.
 *
 * An error value will be returned if the state is not the right
 * one. In that case, the caller should not attempt to use the device
 * and just unlock it.
 */
static inline __must_check
int wimax_dev_is_ready(struct wimax_dev *wimax_dev)
{
	if (wimax_dev->state == __WIMAX_ST_NULL)
		return -EINVAL;	/* Device is not even registered! */
	if (wimax_dev->state == WIMAX_ST_DOWN)
		return -ENOMEDIUM;
	if (wimax_dev->state == __WIMAX_ST_QUIESCING)
		return -ESHUTDOWN;
	return 0;
}


static inline
void __wimax_state_set(struct wimax_dev *wimax_dev, enum wimax_st state)
{
	wimax_dev->state = state;
}
void __wimax_state_change(struct wimax_dev *, enum wimax_st);

#ifdef CONFIG_DEBUG_FS
int wimax_debugfs_add(struct wimax_dev *);
void wimax_debugfs_rm(struct wimax_dev *);
#else
static inline int wimax_debugfs_add(struct wimax_dev *wimax_dev)
{
	return 0;
}
static inline void wimax_debugfs_rm(struct wimax_dev *wimax_dev) {}
#endif

void wimax_id_table_add(struct wimax_dev *);
struct wimax_dev *wimax_dev_get_by_genl_info(struct genl_info *, int);
void wimax_id_table_rm(struct wimax_dev *);
void wimax_id_table_release(void);

int wimax_rfkill_add(struct wimax_dev *);
void wimax_rfkill_rm(struct wimax_dev *);

/* generic netlink */
extern struct genl_family wimax_gnl_family;

/* ops */
int wimax_gnl_doit_msg_from_user(struct sk_buff *skb, struct genl_info *info);
int wimax_gnl_doit_reset(struct sk_buff *skb, struct genl_info *info);
int wimax_gnl_doit_rfkill(struct sk_buff *skb, struct genl_info *info);
int wimax_gnl_doit_state_get(struct sk_buff *skb, struct genl_info *info);

#endif /* #ifdef __KERNEL__ */
#endif /* #ifndef __WIMAX_INTERNAL_H__ */
/drivers/usb/dwc2/platform.c?id=33e962c8871f015f5c8978384553dddcf5b81b22'>platform.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='33e962c8871f015f5c8978384553dddcf5b81b22'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Stanislaw Gruszka &lt;sgruszka@redhat.com&gt;</td><td class='right'>2017-01-29 12:40:52 +0100</td></tr>
<tr><th>committer</th><td>Kalle Valo &lt;kvalo@codeaurora.org&gt;</td><td class='right'>2017-01-31 09:08:52 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/dwc2/platform.c?id=33e962c8871f015f5c8978384553dddcf5b81b22'>33e962c8871f015f5c8978384553dddcf5b81b22</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/dwc2/platform.c?id=33e962c8871f015f5c8978384553dddcf5b81b22'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=33e962c8871f015f5c8978384553dddcf5b81b22'>43aff96c2ee21d9e0fa2018457778a4de52053cd</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/dwc2/platform.c?id=33e962c8871f015f5c8978384553dddcf5b81b22'>drivers/usb/dwc2/platform.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/dwc2/platform.c?id=575ddce0507789bf9830d089557d2199d2f91865'>575ddce0507789bf9830d089557d2199d2f91865</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/dwc2/platform.c?id=33e962c8871f015f5c8978384553dddcf5b81b22&amp;id2=575ddce0507789bf9830d089557d2199d2f91865'>diff</a>)</td></tr></table>
<div class='commit-subject'>rt2x00: fix clk_get call</div><div class='commit-msg'>clk_get() takes two arguments and might return ERR_PTR(), so we
have to nullify pointer on that case, to do not break further call
to clk_get_rate().

Reported-by: Felix Fietkau &lt;nbd@nbd.name&gt;
Fixes: 34db70b92fae ("rt2x00: add copy of clk for soc devices")
Signed-off-by: Stanislaw Gruszka &lt;sgruszka@redhat.com&gt;
Signed-off-by: Kalle Valo &lt;kvalo@codeaurora.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=33e962c8871f015f5c8978384553dddcf5b81b22'>Diffstat</a> (limited to 'drivers/usb/dwc2/platform.c')</div><table summary='diffstat' class='diffstat'>