/*
 * Driver for the NXP ISP1761 device controller
 *
 * Copyright 2014 Ideas on Board Oy
 *
 * Contacts:
 *	Laurent Pinchart <laurent.pinchart@ideasonboard.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 _ISP1760_UDC_H_
#define _ISP1760_UDC_H_

#include <linux/ioport.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/timer.h>
#include <linux/usb/gadget.h>

struct isp1760_device;
struct isp1760_udc;

enum isp1760_ctrl_state {
	ISP1760_CTRL_SETUP,		/* Waiting for a SETUP transaction */
	ISP1760_CTRL_DATA_IN,		/* Setup received, data IN stage */
	ISP1760_CTRL_DATA_OUT,		/* Setup received, data OUT stage */
	ISP1760_CTRL_STATUS,		/* 0-length request in status stage */
};

struct isp1760_ep {
	struct isp1760_udc *udc;
	struct usb_ep ep;

	struct list_head queue;

	unsigned int addr;
	unsigned int maxpacket;
	char name[7];

	const struct usb_endpoint_descriptor *desc;

	bool rx_pending;
	bool halted;
	bool wedged;
};

/**
 * struct isp1760_udc - UDC state information
 * irq: IRQ number
 * irqname: IRQ name (as passed to request_irq)
 * regs: Base address of the UDC registers
 * driver: Gadget driver
 * gadget: Gadget device
 * lock: Protects driver, vbus_timer, ep, ep0_*, DC_EPINDEX register
 * ep: Array of endpoints
 * ep0_state: Control request state for endpoint 0
 * ep0_dir: Direction of the current control request
 * ep0_length: Length of the current control request
 * connected: Tracks gadget driver bus connection state
 */
struct isp1760_udc {
#ifdef CONFIG_USB_ISP1761_UDC
	struct isp1760_device *isp;

	int irq;
	char *irqname;
	void __iomem *regs;

	struct usb_gadget_driver *driver;
	struct usb_gadget gadget;

	spinlock_t lock;
	struct timer_list vbus_timer;

	struct isp1760_ep ep[15];

	enum isp1760_ctrl_state ep0_state;
	u8 ep0_dir;
	u16 ep0_length;

	bool connected;

	unsigned int devstatus;
#endif
};

#ifdef CONFIG_USB_ISP1761_UDC
int isp1760_udc_register(struct isp1760_device *isp, int irq,
			 unsigned long irqflags);
void isp1760_udc_unregister(struct isp1760_device *isp);
#else
static inline int isp1760_udc_register(struct isp1760_device *isp, int irq,
				       unsigned long irqflags)
{
	return 0;
}

static inline void isp1760_udc_unregister(struct isp1760_device *isp)
{
}
#endif

#endif
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/perf?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e'>perf</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/perf/tests?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e'>tests</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/perf/tests/python-use.c?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e'>python-use.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/tools/perf/tests/python-use.c?h=nds-private-remove&amp;id=c56480a1e90261842f54f3a5a9ebc12d827f0c3e&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
ude</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/net/9p/Kconfig?id=33e962c8871f015f5c8978384553dddcf5b81b22'>33e962c8871f015f5c8978384553dddcf5b81b22</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/9p/Kconfig?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/net/9p/Kconfig?id=33e962c8871f015f5c8978384553dddcf5b81b22'>net/9p/Kconfig</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/9p/Kconfig?id=575ddce0507789bf9830d089557d2199d2f91865'>575ddce0507789bf9830d089557d2199d2f91865</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/9p/Kconfig?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 'net/9p/Kconfig')</div><table summary='diffstat' class='diffstat'>