[mirror_ubuntu-bionic-kernel.git] / arch / metag / include / asm / da.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Meta DA JTAG debugger control.
 *
 * Copyright 2012 Imagination Technologies Ltd.
 */

#ifndef _METAG_DA_H_
#define _METAG_DA_H_

#ifdef CONFIG_METAG_DA

#include <linux/init.h>
#include <linux/types.h>

extern bool _metag_da_present;

/**
 * metag_da_enabled() - Find whether a DA is currently enabled.
 *
 * Returns:	true if a DA was detected, false if not.
 */
static inline bool metag_da_enabled(void)
{
	return _metag_da_present;
}

/**
 * metag_da_probe() - Try and detect a connected DA.
 *
 * This is used at start up to detect whether a DA is active.
 *
 * Returns:	0 on detection, -err otherwise.
 */
int __init metag_da_probe(void);

#else /* !CONFIG_METAG_DA */

#define metag_da_enabled() false
#define metag_da_probe() do {} while (0)

#endif

#endif /* _METAG_DA_H_ */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
ae85ac71 JH	2	/*
	3	* Meta DA JTAG debugger control.
	4	*
	5	* Copyright 2012 Imagination Technologies Ltd.
	6	*/
	7
	8	#ifndef _METAG_DA_H_
	9	#define _METAG_DA_H_
	10
	11	#ifdef CONFIG_METAG_DA
	12
	13	#include <linux/init.h>
	14	#include <linux/types.h>
	15
	16	extern bool _metag_da_present;
	17
	18	/**
	19	* metag_da_enabled() - Find whether a DA is currently enabled.
	20	*
	21	* Returns: true if a DA was detected, false if not.
	22	*/
	23	static inline bool metag_da_enabled(void)
	24	{
	25	return _metag_da_present;
	26	}
	27
	28	/**
	29	* metag_da_probe() - Try and detect a connected DA.
	30	*
	31	* This is used at start up to detect whether a DA is active.
	32	*
	33	* Returns: 0 on detection, -err otherwise.
	34	*/
	35	int __init metag_da_probe(void);
	36
	37	#else /* !CONFIG_METAG_DA */
	38
	39	#define metag_da_enabled() false
	40	#define metag_da_probe() do {} while (0)
	41
	42	#endif
	43
	44	#endif /* _METAG_DA_H_ */