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yaml
---
r: 139432
b: refs/heads/master
c: 52913ab
h: refs/heads/master
v: v3
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Bartlomiej Zolnierkiewicz committed Mar 31, 2009
1 parent 52647b3 commit ef6e2b8
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Showing 2 changed files with 2 additions and 68 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: f094d4d83bccee9277ddb6aadccf35747889426b
refs/heads/master: 52913ab2c6f760c2af9f9396765ce8fa1a2baf17
68 changes: 1 addition & 67 deletions trunk/drivers/ide/ide-generic.c
Original file line number Diff line number Diff line change
@@ -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>
Expand All @@ -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 };
Expand Down Expand Up @@ -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;
}

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