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>

diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c
index 9d03e82..3a93e4c 100644 (file)
--- a/drivers/ide/ide-generic.c
+++ b/drivers/ide/ide-generic.c
@@ -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;
 }