aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMike Frysinger <michael.frysinger@analog.com>2007-05-21 06:09:30 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-21 12:50:23 -0400
commitc09c4e006590210001ced90d59e62182bfd396f9 (patch)
tree65ff56a14e51e3fe7bac4c0de22272cf05f8394c
parentac57ac39e4f92f327451ad4084c4d5f60bcfa999 (diff)
Blackfin arch: make sure we use local labels
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat
-rw-r--r--arch/blackfin/mach-bf537/head.S24
1 files changed, 12 insertions, 12 deletions
diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S
index b4377dddc127..2c2652bee7e5 100644
--- a/arch/blackfin/mach-bf537/head.S
+++ b/arch/blackfin/mach-bf537/head.S
@@ -470,38 +470,38 @@ ENTRY(_bfin_reset)
470 SSYNC; 470 SSYNC;
471 471
472#if defined(CONFIG_MTD_M25P80) 472#if defined(CONFIG_MTD_M25P80)
473/* 473 /*
474 * The following code fix the SPI flash reboot issue, 474 * The following code fix the SPI flash reboot issue,
475 * /CS signal of the chip which is using PF10 return to GPIO mode 475 * /CS signal of the chip which is using PF10 return to GPIO mode
476 */ 476 */
477 p0.h = hi(PORTF_FER); 477 p0.h = hi(PORTF_FER);
478 p0.l = lo(PORTF_FER); 478 p0.l = lo(PORTF_FER);
479 r0.l = 0x0000; 479 r0.l = 0x0000;
480 w[p0] = r0.l; 480 w[p0] = r0.l;
481 SSYNC; 481 SSYNC;
482 482
483/* /CS return to high */ 483 /* /CS return to high */
484 p0.h = hi(PORTFIO); 484 p0.h = hi(PORTFIO);
485 p0.l = lo(PORTFIO); 485 p0.l = lo(PORTFIO);
486 r0.l = 0xFFFF; 486 r0.l = 0xFFFF;
487 w[p0] = r0.l; 487 w[p0] = r0.l;
488 SSYNC; 488 SSYNC;
489 489
490/* Delay some time, This is necessary */ 490 /* Delay some time, This is necessary */
491 r1.h = 0; 491 r1.h = 0;
492 r1.l = 0x400; 492 r1.l = 0x400;
493 p1 = r1; 493 p1 = r1;
494 lsetup (_delay_lab1,_delay_lab1_end ) lc1 = p1; 494 lsetup (.L_delay_lab1, .L_delay_lab1_end) lc1 = p1;
495_delay_lab1: 495.L_delay_lab1:
496 r0.h = 0; 496 r0.h = 0;
497 r0.l = 0x8000; 497 r0.l = 0x8000;
498 p0 = r0; 498 p0 = r0;
499 lsetup (_delay_lab0,_delay_lab0_end ) lc0 = p0; 499 lsetup (.L_delay_lab0, .L_delay_lab0_end) lc0 = p0;
500_delay_lab0: 500.L_delay_lab0:
501 nop; 501 nop;
502_delay_lab0_end: 502.L_delay_lab0_end:
503 nop; 503 nop;
504_delay_lab1_end: 504.L_delay_lab1_end:
505 nop; 505 nop;
506#endif 506#endif
507 507
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-10 12:21:10 -0400
593'>593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 
/*
 *  Copyright (C) 1997-1998	Mark Lord
 *  Copyright (C) 2003		Red Hat <alan@redhat.com>
 *
 *  Some code was moved here from ide.c, see it for original copyrights.
 */

/*
 * This is the /proc/ide/ filesystem implementation.
 *
 * Drive/Driver settings can be retrieved by reading the drive's
 * "settings" files.  e.g.    "cat /proc/ide0/hda/settings"
 * To write a new value "val" into a specific setting "name", use:
 *   echo "name:val" >/proc/ide/ide0/hda/settings
 */

#include <linux/module.h>

#include <asm/uaccess.h>
#include <linux/errno.h>
#include <linux/proc_fs.h>
#include <linux/stat.h>
#include <linux/mm.h>
#include <linux/pci.h>
#include <linux/ctype.h>
#include <linux/ide.h>
#include <linux/seq_file.h>

#include <asm/io.h>

static struct proc_dir_entry *proc_ide_root;

static int proc_ide_read_imodel
	(char *page, char **start, off_t off, int count, int *eof, void *data)
{
	ide_hwif_t	*hwif = (ide_hwif_t *) data;
	int		len;
	const char	*name;

	switch (hwif->chipset) {
	case ide_generic:	name = "generic";	break;
	case ide_pci:		name = "pci";		break;
	case ide_cmd640:	name = "cmd640";	break;
	case ide_dtc2278:	name = "dtc2278";	break;
	case ide_ali14xx:	name = "ali14xx";	break;
	case ide_qd65xx:	name = "qd65xx";	break;
	case ide_umc8672:	name = "umc8672";	break;
	case ide_ht6560b:	name = "ht6560b";	break;
	case ide_rz1000:	name = "rz1000";	break;
	case ide_trm290:	name = "trm290";	break;
	case ide_cmd646:	name = "cmd646";	break;
	case ide_cy82c693:	name = "cy82c693";	break;
	case ide_4drives:	name = "4drives";	break;
	case ide_pmac:		name = "mac-io";	break;
	case ide_au1xxx:	name = "au1xxx";	break;
	case ide_palm3710:      name = "palm3710";      break;
	case ide_acorn:		name = "acorn";		break;
	default:		name = "(unknown)";	break;
	}
	len = sprintf(page, "%s\n", name);
	PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
}

static int proc_ide_read_mate
	(char *page, char **start, off_t off, int count, int *eof, void *data)
{
	ide_hwif_t	*hwif = (ide_hwif_t *) data;
	int		len;

	if (hwif && hwif->mate)
		len = sprintf(page, "%s\n", hwif->mate->name);
	else
		len = sprintf(page, "(none)\n");
	PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
}

static int proc_ide_read_channel
	(char *page, char **start, off_t off, int count, int *eof, void *data)
{
	ide_hwif_t	*hwif = (ide_hwif_t *) data;
	int		len;

	page[0] = hwif->channel ? '1' : '0';
	page[1] = '\n';
	len = 2;
	PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
}

static int proc_ide_read_identify
	(char *page, char **start, off_t off, int count, int *eof, void *data)
{
	ide_drive_t	*drive = (ide_drive_t *)data;
	int		len = 0, i = 0;
	int		err = 0;

	len = sprintf(page, "\n");

	if (drive) {
		__le16 *val = (__le16 *)page;

		err = taskfile_lib_get_identify(drive, page);
		if (!err) {
			char *out = (char *)page + SECTOR_SIZE;

			page = out;
			do {
				out += sprintf(out, "%04x%c",
					le16_to_cpup(val), (++i & 7) ? ' ' : '\n');
				val += 1;
			} while (i < SECTOR_SIZE / 2);
			len = out - page;
		}
	}
	PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
}

/**
 *	ide_find_setting	-	find a specific setting
 *	@st: setting table pointer
 *	@name: setting name
 *
 *	Scan's the setting table for a matching entry and returns
 *	this or NULL if no entry is found. The caller must hold the
 *	setting semaphore
 */

static
const struct ide_proc_devset *ide_find_setting(const struct ide_proc_devset *st,
					       char *name)
{
	while (st->name) {
		if (strcmp(st->name, name) == 0)
			break;
		st++;
	}
	return st->name ? st : NULL;
}

/**
 *	ide_read_setting	-	read an IDE setting
 *	@drive: drive to read from
 *	@setting: drive setting
 *
 *	Read a drive setting and return the value. The caller
 *	must hold the ide_setting_mtx when making this call.
 *
 *	BUGS: the data return and error are the same return value
 *	so an error -EINVAL and true return of the same value cannot
 *	be told apart
 */

static int ide_read_setting(ide_drive_t *drive,
			    const struct ide_proc_devset *setting)
{
	const struct ide_devset *ds = setting->setting;
	int val = -EINVAL;

	if (ds->get) {
		unsigned long flags;

		spin_lock_irqsave(&ide_lock, flags);
		val = ds->get(drive);
		spin_unlock_irqrestore(&ide_lock, flags);
	}

	return val;
}

/**
 *	ide_write_setting	-	read an IDE setting
 *	@drive: drive to read from
 *	@setting: drive setting
 *	@val: value
 *
 *	Write a drive setting if it is possible. The caller
 *	must hold the ide_setting_mtx when making this call.
 *
 *	BUGS: the data return and error are the same return value
 *	so an error -EINVAL and true return of the same value cannot
 *	be told apart
 *
 *	FIXME:  This should be changed to enqueue a special request
 *	to the driver to change settings, and then wait on a sema for completion.
 *	The current scheme of polling is kludgy, though safe enough.
 */

static int ide_write_setting(ide_drive_t *drive,
			     const struct ide_proc_devset *setting, int val)
{
	const struct ide_devset *ds = setting->setting;

	if (!capable(CAP_SYS_ADMIN))
		return -EACCES;
	if (!ds->set)
		return -EPERM;
	if ((ds->flags & DS_SYNC)
	    && (val < setting->min || val > setting->max))
		return -EINVAL;
	return ide_devset_execute(drive, ds, val);
}

ide_devset_get(xfer_rate, current_speed);

static int set_xfer_rate (ide_drive_t *drive, int arg)
{
	ide_task_t task;
	int err;

	if (arg < XFER_PIO_0 || arg > XFER_UDMA_6)
		return -EINVAL;

	memset(&task, 0, sizeof(task));
	task.tf.command = ATA_CMD_SET_FEATURES;
	task.tf.feature = SETFEATURES_XFER;
	task.tf.nsect   = (u8)arg;
	task.tf_flags = IDE_TFLAG_OUT_FEATURE | IDE_TFLAG_OUT_NSECT |
			IDE_TFLAG_IN_NSECT;

	err = ide_no_data_taskfile(drive, &task);

	if (!err) {
		ide_set_xfer_rate(drive, (u8) arg);
		ide_driveid_update(drive);
	}
	return err;
}

ide_devset_rw(current_speed, xfer_rate);
ide_devset_rw_field(init_speed, init_speed);
ide_devset_rw_flag(nice1, IDE_DFLAG_NICE1);
ide_devset_rw_field(number, dn);

static const struct ide_proc_devset ide_generic_settings[] = {
	IDE_PROC_DEVSET(current_speed, 0, 70),
	IDE_PROC_DEVSET(init_speed, 0, 70),
	IDE_PROC_DEVSET(io_32bit,  0, 1 + (SUPPORT_VLB_SYNC << 1)),
	IDE_PROC_DEVSET(keepsettings, 0, 1),
	IDE_PROC_DEVSET(nice1, 0, 1),
	IDE_PROC_DEVSET(number, 0, 3),
	IDE_PROC_DEVSET(pio_mode, 0, 255),
	IDE_PROC_DEVSET(unmaskirq, 0, 1),
	IDE_PROC_DEVSET(using_dma, 0, 1),
	{ 0 },
};

static void proc_ide_settings_warn(void)
{
	static int warned;

	if (warned)
		return;

	printk(KERN_WARNING "Warning: /proc/ide/hd?/settings interface is "
			    "obsolete, and will be removed soon!\n");
	warned = 1;
}

static int proc_ide_read_settings
	(char *page, char **start, off_t off, int count, int *eof, void *data)
{
	const struct ide_proc_devset *setting, *g, *d;
	const struct ide_devset *ds;
	ide_drive_t	*drive = (ide_drive_t *) data;
	char		*out = page;
	int		len, rc, mul_factor, div_factor;

	proc_ide_settings_warn();

	mutex_lock(&ide_setting_mtx);
	g = ide_generic_settings;
	d = drive->settings;
	out += sprintf(out, "name\t\t\tvalue\t\tmin\t\tmax\t\tmode\n");
	out += sprintf(out, "----\t\t\t-----\t\t---\t\t---\t\t----\n");
	while (g->name || (d && d->name)) {
		/* read settings in the alphabetical order */
		if (g->name && d && d->name) {
			if (strcmp(d->name, g->name) < 0)
				setting = d++;
			else
				setting = g++;
		} else if (d && d->name) {
			setting = d++;
		} else
			setting = g++;
		mul_factor = setting->mulf ? setting->mulf(drive) : 1;
		div_factor = setting->divf ? setting->divf(drive) : 1;
		out += sprintf(out, "%-24s", setting->name);
		rc = ide_read_setting(drive, setting);
		if (rc >= 0)
			out += sprintf(out, "%-16d", rc * mul_factor / div_factor);
		else
			out += sprintf(out, "%-16s", "write-only");
		out += sprintf(out, "%-16d%-16d", (setting->min * mul_factor + div_factor - 1) / div_factor, setting->max * mul_factor / div_factor);
		ds = setting->setting;
		if (ds->get)
			out += sprintf(out, "r");
		if (ds->set)
			out += sprintf(out, "w");
		out += sprintf(out, "\n");
	}
	len = out - page;
	mutex_unlock(&ide_setting_mtx);
	PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
}

#define MAX_LEN	30

static int proc_ide_write_settings(struct file *file, const char __user *buffer,
				   unsigned long count, void *data)
{
	ide_drive_t	*drive = (ide_drive_t *) data;
	char		name[MAX_LEN + 1];
	int		for_real = 0, mul_factor, div_factor;
	unsigned long	n;

	const struct ide_proc_devset *setting;
	char *buf, *s;

	if (!capable(CAP_SYS_ADMIN))
		return -EACCES;

	proc_ide_settings_warn();

	if (count >= PAGE_SIZE)
		return -EINVAL;

	s = buf = (char *)__get_free_page(GFP_USER);
	if (!buf)
		return -ENOMEM;

	if (copy_from_user(buf, buffer, count)) {
		free_page((unsigned long)buf);
		return -EFAULT;
	}

	buf[count] = '\0';

	/*
	 * Skip over leading whitespace
	 */
	while (count && isspace(*s)) {
		--count;
		++s;
	}
	/*
	 * Do one full pass to verify all parameters,
	 * then do another to actually write the new settings.
	 */
	do {
		char *p = s;
		n = count;
		while (n > 0) {
			unsigned val;
			char *q = p;

			while (n > 0 && *p != ':') {
				--n;
				p++;
			}
			if (*p != ':')
				goto parse_error;
			if (p - q > MAX_LEN)
				goto parse_error;
			memcpy(name, q, p - q);
			name[p - q] = 0;

			if (n > 0) {
				--n;
				p++;
			} else
				goto parse_error;

			val = simple_strtoul(p, &q, 10);
			n -= q - p;
			p = q;
			if (n > 0 && !isspace(*p))
				goto parse_error;
			while (n > 0 && isspace(*p)) {
				--n;
				++p;
			}

			mutex_lock(&ide_setting_mtx);
			/* generic settings first, then driver specific ones */
			setting = ide_find_setting(ide_generic_settings, name);
			if (!setting) {
				if (drive->settings)
					setting = ide_find_setting(drive->settings, name);
				if (!setting) {
					mutex_unlock(&ide_setting_mtx);
					goto parse_error;
				}
			}
			if (for_real) {
				mul_factor = setting->mulf ? setting->mulf(drive) : 1;
				div_factor = setting->divf ? setting->divf(drive) : 1;
				ide_write_setting(drive, setting, val * div_factor / mul_factor);
			}
			mutex_unlock(&ide_setting_mtx);
		}
	} while (!for_real++);
	free_page((unsigned long)buf);
	return count;
parse_error:
	free_page((unsigned long)buf);
	printk("proc_ide_write_settings(): parse error\n");
	return -EINVAL;
}

int proc_ide_read_capacity
	(char *page, char **start, off_t off, int count, int *eof, void *data)
{
	int len = sprintf(page, "%llu\n", (long long)0x7fffffff);
	PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
}

EXPORT_SYMBOL_GPL(proc_ide_read_capacity);

int proc_ide_read_geometry
	(char *page, char **start, off_t off, int count, int *eof, void *data)
{
	ide_drive_t	*drive = (ide_drive_t *) data;
	char		*out = page;
	int		len;

	out += sprintf(out, "physical     %d/%d/%d\n",
			drive->cyl, drive->head, drive->sect);
	out += sprintf(out, "logical      %d/%d/%d\n",
			drive->bios_cyl, drive->bios_head, drive->bios_sect);

	len = out - page;
	PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
}

EXPORT_SYMBOL(proc_ide_read_geometry);

static int proc_ide_read_dmodel
	(char *page, char **start, off_t off, int count, int *eof, void *data)
{
	ide_drive_t	*drive = (ide_drive_t *) data;
	char		*m = (char *)&drive->id[ATA_ID_PROD];
	int		len;

	len = sprintf(page, "%.40s\n", m[0] ? m : "(none)");
	PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
}

static int proc_ide_read_driver
	(char *page, char **start, off_t off, int count, int *eof, void *data)
{
	ide_drive_t	*drive = (ide_drive_t *) data;
	struct device	*dev = &drive->gendev;
	ide_driver_t	*ide_drv;
	int		len;

	if (dev->driver) {
		ide_drv = container_of(dev->driver, ide_driver_t, gen_driver);
		len = sprintf(page, "%s version %s\n",
				dev->driver->name, ide_drv->version);
	} else
		len = sprintf(page, "ide-default version 0.9.newide\n");
	PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
}

static int ide_replace_subdriver(ide_drive_t *drive, const char *driver)
{
	struct device *dev = &drive->gendev;
	int ret = 1;
	int err;

	device_release_driver(dev);
	/* FIXME: device can still be in use by previous driver */
	strlcpy(drive->driver_req, driver, sizeof(drive->driver_req));
	err = device_attach(dev);
	if (err < 0)
		printk(KERN_WARNING "IDE: %s: device_attach error: %d\n",
			__func__, err);
	drive->driver_req[0] = 0;
	if (dev->driver == NULL) {
		err = device_attach(dev);
		if (err < 0)
			printk(KERN_WARNING
				"IDE: %s: device_attach(2) error: %d\n",
				__func__, err);
	}
	if (dev->driver && !strcmp(dev->driver->name, driver))
		ret = 0;

	return ret;
}

static int proc_ide_write_driver
	(struct file *file, const char __user *buffer, unsigned long count, void *data)
{
	ide_drive_t	*drive = (ide_drive_t *) data;
	char name[32];

	if (!capable(CAP_SYS_ADMIN))
		return -EACCES;
	if (count > 31)
		count = 31;
	if (copy_from_user(name, buffer, count))
		return -EFAULT;
	name[count] = '\0';
	if (ide_replace_subdriver(drive, name))
		return -EINVAL;
	return count;
}

static int proc_ide_read_media
	(char *page, char **start, off_t off, int count, int *eof, void *data)
{
	ide_drive_t	*drive = (ide_drive_t *) data;
	const char	*media;
	int		len;

	switch (drive->media) {
	case ide_disk:		media = "disk\n";	break;
	case ide_cdrom:		media = "cdrom\n";	break;
	case ide_tape:		media = "tape\n";	break;
	case ide_floppy:	media = "floppy\n";	break;
	case ide_optical:	media = "optical\n";	break;
	default:		media = "UNKNOWN\n";	break;
	}
	strcpy(page, media);
	len = strlen(media);
	PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
}

static ide_proc_entry_t generic_drive_entries[] = {
	{ "driver",	S_IFREG|S_IRUGO,	 proc_ide_read_driver,
						 proc_ide_write_driver },
	{ "identify",	S_IFREG|S_IRUSR,	 proc_ide_read_identify, NULL },
	{ "media",	S_IFREG|S_IRUGO,	 proc_ide_read_media,    NULL },
	{ "model",	S_IFREG|S_IRUGO,	 proc_ide_read_dmodel,   NULL },
	{ "settings",	S_IFREG|S_IRUSR|S_IWUSR, proc_ide_read_settings,
						 proc_ide_write_settings },
	{ NULL,	0, NULL, NULL }
};

static void ide_add_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t *p, void *data)
{
	struct proc_dir_entry *ent;

	if (!dir || !p)
		return;
	while (p->name != NULL) {
		ent = create_proc_entry(p->name, p->mode, dir);
		if (!ent) return;
		ent->data = data;
		ent->read_proc = p->read_proc;
		ent->write_proc = p->write_proc;
		p++;
	}
}

static void ide_remove_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t *p)
{
	if (!dir || !p)
		return;
	while (p->name != NULL) {
		remove_proc_entry(p->name, dir);
		p++;
	}
}

void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver)
{
	mutex_lock(&ide_setting_mtx);
	drive->settings = driver->proc_devsets(drive);
	mutex_unlock(&ide_setting_mtx);

	ide_add_proc_entries(drive->proc, driver->proc_entries(drive), drive);
}

EXPORT_SYMBOL(ide_proc_register_driver);

/**
 *	ide_proc_unregister_driver	-	remove driver specific data
 *	@drive: drive
 *	@driver: driver
 *
 *	Clean up the driver specific /proc files and IDE settings
 *	for a given drive.
 *
 *	Takes ide_setting_mtx and ide_lock.
 *	Caller must hold none of the locks.
 */

void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver)
{
	unsigned long flags;

	ide_remove_proc_entries(drive->proc, driver->proc_entries(drive));

	mutex_lock(&ide_setting_mtx);
	spin_lock_irqsave(&ide_lock, flags);
	/*
	 * ide_setting_mtx protects the settings list
	 * ide_lock protects the use of settings
	 *
	 * so we need to hold both, ide_settings_sem because we want to
	 * modify the settings list, and ide_lock because we cannot take
	 * a setting out that is being used.
	 *
	 * OTOH both ide_{read,write}_setting are only ever used under
	 * ide_setting_mtx.
	 */
	drive->settings = NULL;
	spin_unlock_irqrestore(&ide_lock, flags);
	mutex_unlock(&ide_setting_mtx);
}
EXPORT_SYMBOL(ide_proc_unregister_driver);

void ide_proc_port_register_devices(ide_hwif_t *hwif)
{
	int	d;
	struct proc_dir_entry *ent;
	struct proc_dir_entry *parent = hwif->proc;
	char name[64];

	for (d = 0; d < MAX_DRIVES; d++) {
		ide_drive_t *drive = &hwif->drives[d];

		if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0 || drive->proc)
			continue;

		drive->proc = proc_mkdir(drive->name, parent);
		if (drive->proc)
			ide_add_proc_entries(drive->proc, generic_drive_entries, drive);
		sprintf(name, "ide%d/%s", (drive->name[2]-'a')/2, drive->name);
		ent = proc_symlink(drive->name, proc_ide_root, name);
		if (!ent) return;
	}
}

void ide_proc_unregister_device(ide_drive_t *drive)
{
	if (drive->proc) {
		ide_remove_proc_entries(drive->proc, generic_drive_entries);
		remove_proc_entry(drive->name, proc_ide_root);
		remove_proc_entry(drive->name, drive->hwif->proc);
		drive->proc = NULL;
	}
}

static ide_proc_entry_t hwif_entries[] = {
	{ "channel",	S_IFREG|S_IRUGO,	proc_ide_read_channel,	NULL },
	{ "mate",	S_IFREG|S_IRUGO,	proc_ide_read_mate,	NULL },
	{ "model",	S_IFREG|S_IRUGO,	proc_ide_read_imodel,	NULL },
	{ NULL,	0, NULL, NULL }
};

void ide_proc_register_port(ide_hwif_t *hwif)
{
	if (!hwif->proc) {
		hwif->proc = proc_mkdir(hwif->name, proc_ide_root);

		if (!hwif->proc)
			return;

		ide_add_proc_entries(hwif->proc, hwif_entries, hwif);
	}
}

void ide_proc_unregister_port(ide_hwif_t *hwif)
{
	if (hwif->proc) {
		ide_remove_proc_entries(hwif->proc, hwif_entries);
		remove_proc_entry(hwif->name, proc_ide_root);
		hwif->proc = NULL;
	}
}

static int proc_print_driver(struct device_driver *drv, void *data)
{
	ide_driver_t *ide_drv = container_of(drv, ide_driver_t, gen_driver);
	struct seq_file *s = data;

	seq_printf(s, "%s version %s\n", drv->name, ide_drv->version);

	return 0;
}

static int ide_drivers_show(struct seq_file *s, void *p)
{
	int err;

	err = bus_for_each_drv(&ide_bus_type, NULL, s, proc_print_driver);
	if (err < 0)
		printk(KERN_WARNING "IDE: %s: bus_for_each_drv error: %d\n",
			__func__, err);
	return 0;
}

static int ide_drivers_open(struct inode *inode, struct file *file)
{
	return single_open(file, &ide_drivers_show, NULL);
}

static const struct file_operations ide_drivers_operations = {
	.owner		= THIS_MODULE,
	.open		= ide_drivers_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
};

void proc_ide_create(void)
{
	proc_ide_root = proc_mkdir("ide", NULL);

	if (!proc_ide_root)
		return;

	proc_create("drivers", 0, proc_ide_root, &ide_drivers_operations);
}

void proc_ide_destroy(void)
{
	remove_proc_entry("drivers", proc_ide_root);
	remove_proc_entry("ide", NULL);
}
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-10 12:21:10 -0400