Release 4.14 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;
}

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/**
 * 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_ */
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Directory: arch/metag/include/asm

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