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: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

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: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Bartlomiej Zolnierkiewicz
1 parent f094d4d83b
Showing 1 changed file with 1 additions and 67 deletions Side-by-side Diff
drivers/ide/ide-generic.c
 /*
  * 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 @@
 	.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 };
@@ -195,10 +133,6 @@
 			}
 		}
 	}
-
-	if (ide_generic_sysfs_init())
-		printk(KERN_ERR DRV_NAME ": failed to create ide_generic "
-					 "class\n");
  
 	return rc;
 }
1	1	/*
2	2	* generic/default IDE host driver
3	3	*
4		- * Copyright (C) 2004, 2008 Bartlomiej Zolnierkiewicz
	4	+ * Copyright (C) 2004, 2008-2009 Bartlomiej Zolnierkiewicz
5	5	* This code was split off from ide.c. See it for original copyrights.
6	6	*
7	7	* May be copied or modified under the terms of the GNU General Public License.
8	8	*/
9	9
10		-/*
11		- * For special cases new interfaces may be added using sysfs, i.e.
12		- *
13		- * echo -n "0x168:0x36e:10" > /sys/class/ide_generic/add
14		- *
15		- * will add an interface using I/O ports 0x168-0x16f/0x36e and IRQ 10.
16		- */
17		-
18	10	#include <linux/kernel.h>
19	11	#include <linux/init.h>
20	12	#include <linux/module.h>
...	...	@@ -36,60 +28,6 @@
36	28	.host_flags = IDE_HFLAG_NO_DMA,
37	29	};
38	30
39		-static ssize_t store_add(struct class cls, const char buf, size_t n)
40		-{
41		- unsigned int base, ctl;
42		- int irq, rc;
43		- hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
44		-
45		- if (sscanf(buf, "%x:%x:%d", &base, &ctl, &irq) != 3)
46		- return -EINVAL;
47		-
48		- memset(&hw, 0, sizeof(hw));
49		- ide_std_init_ports(&hw, base, ctl);
50		- hw.irq = irq;
51		- hw.chipset = ide_generic;
52		-
53		- rc = ide_host_add(&ide_generic_port_info, hws, NULL);
54		- if (rc)
55		- return rc;
56		-
57		- return n;
58		-};
59		-
60		-static struct class_attribute ide_generic_class_attrs[] = {
61		- __ATTR(add, S_IWUSR, NULL, store_add),
62		- __ATTR_NULL
63		-};
64		-
65		-static void ide_generic_class_release(struct class *cls)
66		-{
67		- kfree(cls);
68		-}
69		-
70		-static int __init ide_generic_sysfs_init(void)
71		-{
72		- struct class *cls;
73		- int rc;
74		-
75		- cls = kzalloc(sizeof(*cls), GFP_KERNEL);
76		- if (!cls)
77		- return -ENOMEM;
78		-
79		- cls->name = DRV_NAME;
80		- cls->owner = THIS_MODULE;
81		- cls->class_release = ide_generic_class_release;
82		- cls->class_attrs = ide_generic_class_attrs;
83		-
84		- rc = class_register(cls);
85		- if (rc) {
86		- kfree(cls);
87		- return rc;
88		- }
89		-
90		- return 0;
91		-}
92		-
93	31	#if defined(CONFIG_PLAT_M32700UT) \|\| defined(CONFIG_PLAT_MAPPI2) \
94	32	\|\| defined(CONFIG_PLAT_OPSPUT)
95	33	static const u16 legacy_bases[] = { 0x1f0 };
...	...	@@ -195,10 +133,6 @@
195	133	}
196	134	}
197	135	}
198		-
199		- if (ide_generic_sysfs_init())
200		- printk(KERN_ERR DRV_NAME ": failed to create ide_generic "
201		- "class\n");
202	136
203	137	return rc;
204	138	}