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Commit 52913ab2 authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz
Browse files

ide-generic: remove no longer needed sysfs interface 



Nowadays we have "ide_generic.probe_mask=" module parameter
and ide_platform host driver so sysfs interface for adding
IDE interfaces is no longer needed.

Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent f094d4d8

drivers/ide/ide-generic.c

+1 −67
Original line number Diff line number Diff line 
/*

 * generic/default IDE host driver

 *

 * Copyright (C) 2004, 2008 Bartlomiej Zolnierkiewicz

 * Copyright (C) 2004, 2008-2009 Bartlomiej Zolnierkiewicz

 * This code was split off from ide.c.  See it for original copyrights.

 *

 * May be copied or modified under the terms of the GNU General Public License.

 */



/*

 * For special cases new interfaces may be added using sysfs, i.e.

 *

 *	echo -n "0x168:0x36e:10" > /sys/class/ide_generic/add

 *

 * will add an interface using I/O ports 0x168-0x16f/0x36e and IRQ 10.

 */



#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/module.h>
@@ -36,60 +28,6 @@ static const struct ide_port_info ide_generic_port_info = { 
	.host_flags		= IDE_HFLAG_NO_DMA,

};



static ssize_t store_add(struct class *cls, const char *buf, size_t n)

{

	unsigned int base, ctl;

	int irq, rc;

	hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };



	if (sscanf(buf, "%x:%x:%d", &base, &ctl, &irq) != 3)

		return -EINVAL;



	memset(&hw, 0, sizeof(hw));

	ide_std_init_ports(&hw, base, ctl);

	hw.irq = irq;

	hw.chipset = ide_generic;



	rc = ide_host_add(&ide_generic_port_info, hws, NULL);

	if (rc)

		return rc;



	return n;

};



static struct class_attribute ide_generic_class_attrs[] = {

	__ATTR(add, S_IWUSR, NULL, store_add),

	__ATTR_NULL

};



static void ide_generic_class_release(struct class *cls)

{

	kfree(cls);

}



static int __init ide_generic_sysfs_init(void)

{

	struct class *cls;

	int rc;



	cls = kzalloc(sizeof(*cls), GFP_KERNEL);

	if (!cls)

		return -ENOMEM;



	cls->name = DRV_NAME;

	cls->owner = THIS_MODULE;

	cls->class_release = ide_generic_class_release;

	cls->class_attrs = ide_generic_class_attrs;



	rc = class_register(cls);

	if (rc) {

		kfree(cls);

		return rc;

	}



	return 0;

}



#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_MAPPI2) \

	|| defined(CONFIG_PLAT_OPSPUT)

static const u16 legacy_bases[] = { 0x1f0 };
@@ -196,10 +134,6 @@ static int __init ide_generic_init(void) 
		}

	}



	if (ide_generic_sysfs_init())

		printk(KERN_ERR DRV_NAME ": failed to create ide_generic "

					 "class\n");



	return rc;

}