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Diffstat (limited to 'drivers/ide/ide-generic.c')
-rw-r--r--drivers/ide/ide-generic.c88
1 files changed, 17 insertions, 71 deletions
diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c
index 81a5282ce1eb..7812ca0be13b 100644
--- a/drivers/ide/ide-generic.c
+++ b/drivers/ide/ide-generic.c
@@ -1,27 +1,22 @@
/*
* 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>
#include <linux/ide.h>
#include <linux/pci_ids.h>
-/* FIXME: convert m32r to use ide_platform host driver */
+/* FIXME: convert arm and m32r to use ide_platform host driver */
+#ifdef CONFIG_ARM
+#include <asm/irq.h>
+#endif
#ifdef CONFIG_M32R
#include <asm/m32r.h>
#endif
@@ -32,62 +27,15 @@ static int probe_mask;
module_param(probe_mask, int, 0);
MODULE_PARM_DESC(probe_mask, "probe mask for legacy ISA IDE ports");
-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(NULL, 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 const struct ide_port_info ide_generic_port_info = {
+ .host_flags = IDE_HFLAG_NO_DMA,
};
-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)
+#ifdef CONFIG_ARM
+static const u16 legacy_bases[] = { 0x1f0 };
+static const int legacy_irqs[] = { IRQ_HARDDISK };
+#elif defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_MAPPI2) || \
+ defined(CONFIG_PLAT_OPSPUT)
static const u16 legacy_bases[] = { 0x1f0 };
static const int legacy_irqs[] = { PLD_IRQ_CFIREQ };
#elif defined(CONFIG_PLAT_MAPPI3)
@@ -103,11 +51,11 @@ static const int legacy_irqs[] = { 14, 15, 11, 10, 8, 12 };
static void ide_generic_check_pci_legacy_iobases(int *primary, int *secondary)
{
+#ifdef CONFIG_PCI
struct pci_dev *p = NULL;
u16 val;
for_each_pci_dev(p) {
-
if (pci_resource_start(p, 0) == 0x1f0)
*primary = 1;
if (pci_resource_start(p, 2) == 0x170)
@@ -122,7 +70,6 @@ static void ide_generic_check_pci_legacy_iobases(int *primary, int *secondary)
/* Intel MPIIX - PIO ATA on non PCI side of bridge */
if (p->vendor == PCI_VENDOR_ID_INTEL &&
p->device == PCI_DEVICE_ID_INTEL_82371MX) {
-
pci_read_config_word(p, 0x6C, &val);
if (val & 0x8000) {
/* ATA port enabled */
@@ -133,6 +80,7 @@ static void ide_generic_check_pci_legacy_iobases(int *primary, int *secondary)
}
}
}
+#endif
}
static int __init ide_generic_init(void)
@@ -164,6 +112,7 @@ static int __init ide_generic_init(void)
printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX "
"not free.\n",
DRV_NAME, io_addr, io_addr + 7);
+ rc = -EBUSY;
continue;
}
@@ -172,6 +121,7 @@ static int __init ide_generic_init(void)
"not free.\n",
DRV_NAME, io_addr + 0x206);
release_region(io_addr, 8);
+ rc = -EBUSY;
continue;
}
@@ -184,7 +134,7 @@ static int __init ide_generic_init(void)
#endif
hw.chipset = ide_generic;
- rc = ide_host_add(NULL, hws, NULL);
+ rc = ide_host_add(&ide_generic_port_info, hws, NULL);
if (rc) {
release_region(io_addr + 0x206, 1);
release_region(io_addr, 8);
@@ -192,10 +142,6 @@ 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;
}