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ide-generic: remove no longer needed sysfs interface

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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: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2009-03-31 20:15:24 +02:00
parent f094d4d83b
commit 52913ab2c6
1 changed files with 1 additions and 67 deletions
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68
drivers/ide/ide-generic.c
View file

@ -1,20 +1,12 @@
/*
* 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;
}