[linux-2.6-block.git] / drivers / net / wireless / ath9k / debug.c

/*
 * Copyright (c) 2008 Atheros Communications Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "core.h"
#include "reg.h"
#include "hw.h"

static unsigned int ath9k_debug = DBG_DEFAULT;
module_param_named(debug, ath9k_debug, uint, 0);

void DPRINTF(struct ath_softc *sc, int dbg_mask, const char *fmt, ...)
{
	if (!sc)
		return;

	if (sc->sc_debug.debug_mask & dbg_mask) {
		va_list args;

		va_start(args, fmt);
		printk(KERN_DEBUG "ath9k: ");
		vprintk(fmt, args);
		va_end(args);
	}
}

static int ath9k_debugfs_open(struct inode *inode, struct file *file)
{
	file->private_data = inode->i_private;
	return 0;
}

static ssize_t read_file_dma(struct file *file, char __user *user_buf,
			     size_t count, loff_t *ppos)
{
	struct ath_softc *sc = file->private_data;
	struct ath_hal *ah = sc->sc_ah;
	char buf[1024];
	unsigned int len = 0;
	u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
	int i, qcuOffset = 0, dcuOffset = 0;
	u32 *qcuBase = &val[0], *dcuBase = &val[4];

	REG_WRITE(ah, AR_MACMISC,
		  ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
		   (AR_MACMISC_MISC_OBS_BUS_1 <<
		    AR_MACMISC_MISC_OBS_BUS_MSB_S)));

	len += snprintf(buf + len, sizeof(buf) - len,
			"Raw DMA Debug values:\n");

	for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
		if (i % 4 == 0)
			len += snprintf(buf + len, sizeof(buf) - len, "\n");

		val[i] = REG_READ(ah, AR_DMADBG_0 + (i * sizeof(u32)));
		len += snprintf(buf + len, sizeof(buf) - len, "%d: %08x ",
				i, val[i]);
	}

	len += snprintf(buf + len, sizeof(buf) - len, "\n\n");
	len += snprintf(buf + len, sizeof(buf) - len,
			"Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");

	for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
		if (i == 8) {
			qcuOffset = 0;
			qcuBase++;
		}

		if (i == 6) {
			dcuOffset = 0;
			dcuBase++;
		}

		len += snprintf(buf + len, sizeof(buf) - len,
			"%2d          %2x      %1x     %2x           %2x\n",
			i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
			(*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
			val[2] & (0x7 << (i * 3)) >> (i * 3),
			(*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
	}

	len += snprintf(buf + len, sizeof(buf) - len, "\n");

	len += snprintf(buf + len, sizeof(buf) - len,
		"qcu_stitch state:   %2x    qcu_fetch state:        %2x\n",
		(val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
	len += snprintf(buf + len, sizeof(buf) - len,
		"qcu_complete state: %2x    dcu_complete state:     %2x\n",
		(val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
	len += snprintf(buf + len, sizeof(buf) - len,
		"dcu_arb state:      %2x    dcu_fp state:           %2x\n",
		(val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
	len += snprintf(buf + len, sizeof(buf) - len,
		"chan_idle_dur:     %3d    chan_idle_dur_valid:     %1d\n",
		(val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
	len += snprintf(buf + len, sizeof(buf) - len,
		"txfifo_valid_0:      %1d    txfifo_valid_1:          %1d\n",
		(val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
	len += snprintf(buf + len, sizeof(buf) - len,
		"txfifo_dcu_num_0:   %2d    txfifo_dcu_num_1:       %2d\n",
		(val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);

	len += snprintf(buf + len, sizeof(buf) - len, "pcu observe: 0x%x \n",
			REG_READ(ah, AR_OBS_BUS_1));
	len += snprintf(buf + len, sizeof(buf) - len,
			"AR_CR: 0x%x \n", REG_READ(ah, AR_CR));

	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}

static const struct file_operations fops_dma = {
	.read = read_file_dma,
	.open = ath9k_debugfs_open,
	.owner = THIS_MODULE
};


void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
{
	if (status)
		sc->sc_debug.stats.istats.total++;
	if (status & ATH9K_INT_RX)
		sc->sc_debug.stats.istats.rxok++;
	if (status & ATH9K_INT_RXEOL)
		sc->sc_debug.stats.istats.rxeol++;
	if (status & ATH9K_INT_RXORN)
		sc->sc_debug.stats.istats.rxorn++;
	if (status & ATH9K_INT_TX)
		sc->sc_debug.stats.istats.txok++;
	if (status & ATH9K_INT_TXURN)
		sc->sc_debug.stats.istats.txurn++;
	if (status & ATH9K_INT_MIB)
		sc->sc_debug.stats.istats.mib++;
	if (status & ATH9K_INT_RXPHY)
		sc->sc_debug.stats.istats.rxphyerr++;
	if (status & ATH9K_INT_RXKCM)
		sc->sc_debug.stats.istats.rx_keycache_miss++;
	if (status & ATH9K_INT_SWBA)
		sc->sc_debug.stats.istats.swba++;
	if (status & ATH9K_INT_BMISS)
		sc->sc_debug.stats.istats.bmiss++;
	if (status & ATH9K_INT_BNR)
		sc->sc_debug.stats.istats.bnr++;
	if (status & ATH9K_INT_CST)
		sc->sc_debug.stats.istats.cst++;
	if (status & ATH9K_INT_GTT)
		sc->sc_debug.stats.istats.gtt++;
	if (status & ATH9K_INT_TIM)
		sc->sc_debug.stats.istats.tim++;
	if (status & ATH9K_INT_CABEND)
		sc->sc_debug.stats.istats.cabend++;
	if (status & ATH9K_INT_DTIMSYNC)
		sc->sc_debug.stats.istats.dtimsync++;
	if (status & ATH9K_INT_DTIM)
		sc->sc_debug.stats.istats.dtim++;
}

static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
				   size_t count, loff_t *ppos)
{
	struct ath_softc *sc = file->private_data;
	char buf[512];
	unsigned int len = 0;

	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "RX", sc->sc_debug.stats.istats.rxok);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "RXEOL", sc->sc_debug.stats.istats.rxeol);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "RXORN", sc->sc_debug.stats.istats.rxorn);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "TX", sc->sc_debug.stats.istats.txok);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "TXURN", sc->sc_debug.stats.istats.txurn);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "MIB", sc->sc_debug.stats.istats.mib);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "RXPHY", sc->sc_debug.stats.istats.rxphyerr);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "RXKCM", sc->sc_debug.stats.istats.rx_keycache_miss);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "SWBA", sc->sc_debug.stats.istats.swba);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "BMISS", sc->sc_debug.stats.istats.bmiss);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "BNR", sc->sc_debug.stats.istats.bnr);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "CST", sc->sc_debug.stats.istats.cst);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "GTT", sc->sc_debug.stats.istats.gtt);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "TIM", sc->sc_debug.stats.istats.tim);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "CABEND", sc->sc_debug.stats.istats.cabend);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "DTIMSYNC", sc->sc_debug.stats.istats.dtimsync);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "DTIM", sc->sc_debug.stats.istats.dtim);
	len += snprintf(buf + len, sizeof(buf) - len,
		"%8s: %10u\n", "TOTAL", sc->sc_debug.stats.istats.total);

	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}

static const struct file_operations fops_interrupt = {
	.read = read_file_interrupt,
	.open = ath9k_debugfs_open,
	.owner = THIS_MODULE
};

int ath9k_init_debug(struct ath_softc *sc)
{
	sc->sc_debug.debug_mask = ath9k_debug;

	sc->sc_debug.debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
	if (!sc->sc_debug.debugfs_root)
		goto err;

	sc->sc_debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
						      sc->sc_debug.debugfs_root);
	if (!sc->sc_debug.debugfs_phy)
		goto err;

	sc->sc_debug.debugfs_dma = debugfs_create_file("dma", S_IRUGO,
				       sc->sc_debug.debugfs_phy, sc, &fops_dma);
	if (!sc->sc_debug.debugfs_dma)
		goto err;

	sc->sc_debug.debugfs_interrupt = debugfs_create_file("interrupt",
						     S_IRUGO,
						     sc->sc_debug.debugfs_phy,
						     sc, &fops_interrupt);
	if (!sc->sc_debug.debugfs_interrupt)
		goto err;

	return 0;
err:
	ath9k_exit_debug(sc);
	return -ENOMEM;
}

void ath9k_exit_debug(struct ath_softc *sc)
{
	debugfs_remove(sc->sc_debug.debugfs_interrupt);
	debugfs_remove(sc->sc_debug.debugfs_dma);
	debugfs_remove(sc->sc_debug.debugfs_phy);
	debugfs_remove(sc->sc_debug.debugfs_root);
}
Commit	Line	Data
88b126af S	1	/*
	2	* Copyright (c) 2008 Atheros Communications Inc.
	3	*
	4	* Permission to use, copy, modify, and/or distribute this software for any
	5	* purpose with or without fee is hereby granted, provided that the above
	6	* copyright notice and this permission notice appear in all copies.
	7	*
	8	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	9	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	10	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
	11	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	12	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	13	* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	14	* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	15	*/
	16
	17	#include "core.h"
2a163c6d S	18	#include "reg.h"
2a163c6d S	19	#include "hw.h"
88b126af S	20
	21	static unsigned int ath9k_debug = DBG_DEFAULT;
	22	module_param_named(debug, ath9k_debug, uint, 0);
	23
	24	void DPRINTF(struct ath_softc sc, int dbg_mask, const char fmt, ...)
	25	{
	26	if (!sc)
	27	return;
	28
826d2680	29	if (sc->sc_debug.debug_mask & dbg_mask) {
88b126af S	30	va_list args;
	31
	32	va_start(args, fmt);
	33	printk(KERN_DEBUG "ath9k: ");
	34	vprintk(fmt, args);
	35	va_end(args);
	36	}
	37	}
	38
2a163c6d S	39	static int ath9k_debugfs_open(struct inode inode, struct file file)
	40	{
	41	file->private_data = inode->i_private;
	42	return 0;
	43	}
	44
	45	static ssize_t read_file_dma(struct file file, char __user user_buf,
	46	size_t count, loff_t *ppos)
	47	{
	48	struct ath_softc *sc = file->private_data;
	49	struct ath_hal *ah = sc->sc_ah;
	50	char buf[1024];
	51	unsigned int len = 0;
	52	u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
	53	int i, qcuOffset = 0, dcuOffset = 0;
	54	u32 qcuBase = &val[0], dcuBase = &val[4];
	55
	56	REG_WRITE(ah, AR_MACMISC,
	57	((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) \|
	58	(AR_MACMISC_MISC_OBS_BUS_1 <<
	59	AR_MACMISC_MISC_OBS_BUS_MSB_S)));
	60
	61	len += snprintf(buf + len, sizeof(buf) - len,
	62	"Raw DMA Debug values:\n");
	63
	64	for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
	65	if (i % 4 == 0)
	66	len += snprintf(buf + len, sizeof(buf) - len, "\n");
	67
	68	val[i] = REG_READ(ah, AR_DMADBG_0 + (i * sizeof(u32)));
	69	len += snprintf(buf + len, sizeof(buf) - len, "%d: %08x ",
	70	i, val[i]);
	71	}
	72
	73	len += snprintf(buf + len, sizeof(buf) - len, "\n\n");
	74	len += snprintf(buf + len, sizeof(buf) - len,
	75	"Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
	76
	77	for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
	78	if (i == 8) {
	79	qcuOffset = 0;
	80	qcuBase++;
	81	}
	82
	83	if (i == 6) {
	84	dcuOffset = 0;
	85	dcuBase++;
	86	}
	87
	88	len += snprintf(buf + len, sizeof(buf) - len,
	89	"%2d %2x %1x %2x %2x\n",
	90	i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
	91	(*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
	92	val[2] & (0x7 << (i * 3)) >> (i * 3),
	93	(*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
	94	}
	95
	96	len += snprintf(buf + len, sizeof(buf) - len, "\n");
	97
	98	len += snprintf(buf + len, sizeof(buf) - len,
	99	"qcu_stitch state: %2x qcu_fetch state: %2x\n",
	100	(val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
	101	len += snprintf(buf + len, sizeof(buf) - len,
	102	"qcu_complete state: %2x dcu_complete state: %2x\n",
103	(val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
104	len += snprintf(buf + len, sizeof(buf) - len,
105	"dcu_arb state: %2x dcu_fp state: %2x\n",
106	(val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
107	len += snprintf(buf + len, sizeof(buf) - len,
108	"chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
109	(val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
110	len += snprintf(buf + len, sizeof(buf) - len,
111	"txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
112	(val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
113	len += snprintf(buf + len, sizeof(buf) - len,
114	"txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
115	(val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
116
117	len += snprintf(buf + len, sizeof(buf) - len, "pcu observe: 0x%x \n",
118	REG_READ(ah, AR_OBS_BUS_1));
119	len += snprintf(buf + len, sizeof(buf) - len,
120	"AR_CR: 0x%x \n", REG_READ(ah, AR_CR));
121
122	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
123	}
124
125	static const struct file_operations fops_dma = {
126	.read = read_file_dma,
127	.open = ath9k_debugfs_open,
128	.owner = THIS_MODULE
129	};
130
817e11de S	131
	132	void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
	133	{
	134	if (status)
	135	sc->sc_debug.stats.istats.total++;
	136	if (status & ATH9K_INT_RX)
	137	sc->sc_debug.stats.istats.rxok++;
	138	if (status & ATH9K_INT_RXEOL)
	139	sc->sc_debug.stats.istats.rxeol++;
	140	if (status & ATH9K_INT_RXORN)
	141	sc->sc_debug.stats.istats.rxorn++;
	142	if (status & ATH9K_INT_TX)
	143	sc->sc_debug.stats.istats.txok++;
	144	if (status & ATH9K_INT_TXURN)
	145	sc->sc_debug.stats.istats.txurn++;
	146	if (status & ATH9K_INT_MIB)
	147	sc->sc_debug.stats.istats.mib++;
	148	if (status & ATH9K_INT_RXPHY)
	149	sc->sc_debug.stats.istats.rxphyerr++;
	150	if (status & ATH9K_INT_RXKCM)
	151	sc->sc_debug.stats.istats.rx_keycache_miss++;
	152	if (status & ATH9K_INT_SWBA)
	153	sc->sc_debug.stats.istats.swba++;
	154	if (status & ATH9K_INT_BMISS)
	155	sc->sc_debug.stats.istats.bmiss++;
	156	if (status & ATH9K_INT_BNR)
	157	sc->sc_debug.stats.istats.bnr++;
	158	if (status & ATH9K_INT_CST)
	159	sc->sc_debug.stats.istats.cst++;
	160	if (status & ATH9K_INT_GTT)
	161	sc->sc_debug.stats.istats.gtt++;
	162	if (status & ATH9K_INT_TIM)
	163	sc->sc_debug.stats.istats.tim++;
	164	if (status & ATH9K_INT_CABEND)
	165	sc->sc_debug.stats.istats.cabend++;
	166	if (status & ATH9K_INT_DTIMSYNC)
	167	sc->sc_debug.stats.istats.dtimsync++;
	168	if (status & ATH9K_INT_DTIM)
	169	sc->sc_debug.stats.istats.dtim++;
	170	}
	171
	172	static ssize_t read_file_interrupt(struct file file, char __user user_buf,
	173	size_t count, loff_t *ppos)
	174	{
	175	struct ath_softc *sc = file->private_data;
	176	char buf[512];
	177	unsigned int len = 0;
	178
	179	len += snprintf(buf + len, sizeof(buf) - len,
	180	"%8s: %10u\n", "RX", sc->sc_debug.stats.istats.rxok);
	181	len += snprintf(buf + len, sizeof(buf) - len,
	182	"%8s: %10u\n", "RXEOL", sc->sc_debug.stats.istats.rxeol);
	183	len += snprintf(buf + len, sizeof(buf) - len,
	184	"%8s: %10u\n", "RXORN", sc->sc_debug.stats.istats.rxorn);
	185	len += snprintf(buf + len, sizeof(buf) - len,
	186	"%8s: %10u\n", "TX", sc->sc_debug.stats.istats.txok);
	187	len += snprintf(buf + len, sizeof(buf) - len,
	188	"%8s: %10u\n", "TXURN", sc->sc_debug.stats.istats.txurn);
	189	len += snprintf(buf + len, sizeof(buf) - len,
	190	"%8s: %10u\n", "MIB", sc->sc_debug.stats.istats.mib);
	191	len += snprintf(buf + len, sizeof(buf) - len,
	192	"%8s: %10u\n", "RXPHY", sc->sc_debug.stats.istats.rxphyerr);
	193	len += snprintf(buf + len, sizeof(buf) - len,
	194	"%8s: %10u\n", "RXKCM", sc->sc_debug.stats.istats.rx_keycache_miss);
195	len += snprintf(buf + len, sizeof(buf) - len,
196	"%8s: %10u\n", "SWBA", sc->sc_debug.stats.istats.swba);
197	len += snprintf(buf + len, sizeof(buf) - len,
198	"%8s: %10u\n", "BMISS", sc->sc_debug.stats.istats.bmiss);
199	len += snprintf(buf + len, sizeof(buf) - len,
200	"%8s: %10u\n", "BNR", sc->sc_debug.stats.istats.bnr);
201	len += snprintf(buf + len, sizeof(buf) - len,
202	"%8s: %10u\n", "CST", sc->sc_debug.stats.istats.cst);
203	len += snprintf(buf + len, sizeof(buf) - len,
204	"%8s: %10u\n", "GTT", sc->sc_debug.stats.istats.gtt);
205	len += snprintf(buf + len, sizeof(buf) - len,
206	"%8s: %10u\n", "TIM", sc->sc_debug.stats.istats.tim);
207	len += snprintf(buf + len, sizeof(buf) - len,
208	"%8s: %10u\n", "CABEND", sc->sc_debug.stats.istats.cabend);
209	len += snprintf(buf + len, sizeof(buf) - len,
210	"%8s: %10u\n", "DTIMSYNC", sc->sc_debug.stats.istats.dtimsync);
211	len += snprintf(buf + len, sizeof(buf) - len,
212	"%8s: %10u\n", "DTIM", sc->sc_debug.stats.istats.dtim);
213	len += snprintf(buf + len, sizeof(buf) - len,
214	"%8s: %10u\n", "TOTAL", sc->sc_debug.stats.istats.total);
215
216	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
217	}
218
219	static const struct file_operations fops_interrupt = {
220	.read = read_file_interrupt,
221	.open = ath9k_debugfs_open,
222	.owner = THIS_MODULE
223	};
224
826d2680	225	int ath9k_init_debug(struct ath_softc *sc)
88b126af	226	{
826d2680 S	227	sc->sc_debug.debug_mask = ath9k_debug;
	228
	229	sc->sc_debug.debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
	230	if (!sc->sc_debug.debugfs_root)
	231	goto err;
	232
	233	sc->sc_debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
	234	sc->sc_debug.debugfs_root);
	235	if (!sc->sc_debug.debugfs_phy)
	236	goto err;
	237
2a163c6d S	238	sc->sc_debug.debugfs_dma = debugfs_create_file("dma", S_IRUGO,
	239	sc->sc_debug.debugfs_phy, sc, &fops_dma);
	240	if (!sc->sc_debug.debugfs_dma)
	241	goto err;
	242
817e11de S	243	sc->sc_debug.debugfs_interrupt = debugfs_create_file("interrupt",
	244	S_IRUGO,
	245	sc->sc_debug.debugfs_phy,
	246	sc, &fops_interrupt);
	247	if (!sc->sc_debug.debugfs_interrupt)
	248	goto err;
	249
826d2680 S	250	return 0;
	251	err:
	252	ath9k_exit_debug(sc);
	253	return -ENOMEM;
	254	}
	255
	256	void ath9k_exit_debug(struct ath_softc *sc)
	257	{
817e11de	258	debugfs_remove(sc->sc_debug.debugfs_interrupt);
2a163c6d	259	debugfs_remove(sc->sc_debug.debugfs_dma);
826d2680 S	260	debugfs_remove(sc->sc_debug.debugfs_phy);
826d2680 S	261	debugfs_remove(sc->sc_debug.debugfs_root);
88b126af	262	}