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-rw-r--r--drivers/firmware/dcdbas.c3
-rw-r--r--drivers/firmware/dmi-id.c22
-rw-r--r--drivers/firmware/dmi_scan.c34
-rw-r--r--drivers/firmware/edd.c27
-rw-r--r--drivers/firmware/efivars.c130
5 files changed, 118 insertions, 98 deletions
diff --git a/drivers/firmware/dcdbas.c b/drivers/firmware/dcdbas.c
index 18cdcb3ae1c..1636806ec55 100644
--- a/drivers/firmware/dcdbas.c
+++ b/drivers/firmware/dcdbas.c
@@ -658,4 +658,5 @@ MODULE_DESCRIPTION(DRIVER_DESCRIPTION " (version " DRIVER_VERSION ")");
MODULE_VERSION(DRIVER_VERSION);
MODULE_AUTHOR("Dell Inc.");
MODULE_LICENSE("GPL");
-
+/* Any System or BIOS claiming to be by Dell */
+MODULE_ALIAS("dmi:*:[bs]vnD[Ee][Ll][Ll]*:*");
diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c
index b6e1eb77d14..e880d6c8d89 100644
--- a/drivers/firmware/dmi-id.c
+++ b/drivers/firmware/dmi-id.c
@@ -11,7 +11,6 @@
#include <linux/init.h>
#include <linux/dmi.h>
#include <linux/device.h>
-#include <linux/autoconf.h>
struct dmi_device_attribute{
struct device_attribute dev_attr;
@@ -173,14 +172,11 @@ static struct device *dmi_dev;
if (dmi_get_system_info(_field)) \
sys_dmi_attributes[i++] = &sys_dmi_##_name##_attr.dev_attr.attr;
-extern int dmi_available;
-
-static int __init dmi_id_init(void)
+/* In a separate function to keep gcc 3.2 happy - do NOT merge this in
+ dmi_id_init! */
+static void __init dmi_id_init_attr_table(void)
{
- int ret, i;
-
- if (!dmi_available)
- return -ENODEV;
+ int i;
/* Not necessarily all DMI fields are available on all
* systems, hence let's built an attribute table of just
@@ -205,6 +201,16 @@ static int __init dmi_id_init(void)
ADD_DMI_ATTR(chassis_serial, DMI_CHASSIS_SERIAL);
ADD_DMI_ATTR(chassis_asset_tag, DMI_CHASSIS_ASSET_TAG);
sys_dmi_attributes[i++] = &sys_dmi_modalias_attr.attr;
+}
+
+static int __init dmi_id_init(void)
+{
+ int ret;
+
+ if (!dmi_available)
+ return -ENODEV;
+
+ dmi_id_init_attr_table();
ret = class_register(&dmi_class);
if (ret)
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index 0cdadea7a40..9008ed5ef4c 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -8,6 +8,8 @@
#include <linux/slab.h>
#include <asm/dmi.h>
+static char dmi_empty_string[] = " ";
+
static char * __init dmi_string(const struct dmi_header *dm, u8 s)
{
const u8 *bp = ((u8 *) dm) + dm->length;
@@ -21,11 +23,16 @@ static char * __init dmi_string(const struct dmi_header *dm, u8 s)
}
if (*bp != 0) {
- str = dmi_alloc(strlen(bp) + 1);
+ size_t len = strlen(bp)+1;
+ size_t cmp_len = len > 8 ? 8 : len;
+
+ if (!memcmp(bp, dmi_empty_string, cmp_len))
+ return dmi_empty_string;
+ str = dmi_alloc(len);
if (str != NULL)
strcpy(str, bp);
else
- printk(KERN_ERR "dmi_string: out of memory.\n");
+ printk(KERN_ERR "dmi_string: cannot allocate %Zu bytes.\n", len);
}
}
@@ -175,12 +182,23 @@ static void __init dmi_save_devices(const struct dmi_header *dm)
}
}
+static struct dmi_device empty_oem_string_dev = {
+ .name = dmi_empty_string,
+};
+
static void __init dmi_save_oem_strings_devices(const struct dmi_header *dm)
{
int i, count = *(u8 *)(dm + 1);
struct dmi_device *dev;
for (i = 1; i <= count; i++) {
+ char *devname = dmi_string(dm, i);
+
+ if (!strcmp(devname, dmi_empty_string)) {
+ list_add(&empty_oem_string_dev.list, &dmi_devices);
+ continue;
+ }
+
dev = dmi_alloc(sizeof(*dev));
if (!dev) {
printk(KERN_ERR
@@ -189,7 +207,7 @@ static void __init dmi_save_oem_strings_devices(const struct dmi_header *dm)
}
dev->type = DMI_DEV_TYPE_OEM_STRING;
- dev->name = dmi_string(dm, i);
+ dev->name = devname;
dev->device_data = NULL;
list_add(&dev->list, &dmi_devices);
@@ -331,9 +349,11 @@ void __init dmi_scan_machine(void)
rc = dmi_present(q);
if (!rc) {
dmi_available = 1;
+ dmi_iounmap(p, 0x10000);
return;
}
}
+ dmi_iounmap(p, 0x10000);
}
out: printk(KERN_INFO "DMI not present or invalid.\n");
}
@@ -470,3 +490,11 @@ int dmi_get_year(int field)
return year;
}
+/**
+ * dmi_get_slot - return dmi_ident[slot]
+ * @slot: index into dmi_ident[]
+ */
+char *dmi_get_slot(int slot)
+{
+ return(dmi_ident[slot]);
+}
diff --git a/drivers/firmware/edd.c b/drivers/firmware/edd.c
index 6942e065e60..74401198904 100644
--- a/drivers/firmware/edd.c
+++ b/drivers/firmware/edd.c
@@ -11,7 +11,7 @@
*
* This code takes information provided by BIOS EDD calls
* fn41 - Check Extensions Present and
- * fn48 - Get Device Parametes with EDD extensions
+ * fn48 - Get Device Parameters with EDD extensions
* made in setup.S, copied to safe structures in setup.c,
* and presents it in sysfs.
*
@@ -631,7 +631,7 @@ static struct kobj_type edd_ktype = {
.default_attrs = def_attrs,
};
-static decl_subsys(edd, &edd_ktype, NULL);
+static struct kset *edd_kset;
/**
@@ -693,7 +693,7 @@ edd_create_symlink_to_pcidev(struct edd_device *edev)
static inline void
edd_device_unregister(struct edd_device *edev)
{
- kobject_unregister(&edev->kobj);
+ kobject_put(&edev->kobj);
}
static void edd_populate_dir(struct edd_device * edev)
@@ -721,12 +721,13 @@ edd_device_register(struct edd_device *edev, int i)
if (!edev)
return 1;
edd_dev_set_info(edev, i);
- kobject_set_name(&edev->kobj, "int13_dev%02x",
- 0x80 + i);
- kobj_set_kset_s(edev,edd_subsys);
- error = kobject_register(&edev->kobj);
- if (!error)
+ edev->kobj.kset = edd_kset;
+ error = kobject_init_and_add(&edev->kobj, &edd_ktype, NULL,
+ "int13_dev%02x", 0x80 + i);
+ if (!error) {
edd_populate_dir(edev);
+ kobject_uevent(&edev->kobj, KOBJ_ADD);
+ }
return error;
}
@@ -755,9 +756,9 @@ edd_init(void)
return 1;
}
- rc = firmware_register(&edd_subsys);
- if (rc)
- return rc;
+ edd_kset = kset_create_and_add("edd", NULL, firmware_kobj);
+ if (!edd_kset)
+ return -ENOMEM;
for (i = 0; i < edd_num_devices() && !rc; i++) {
edev = kzalloc(sizeof (*edev), GFP_KERNEL);
@@ -773,7 +774,7 @@ edd_init(void)
}
if (rc)
- firmware_unregister(&edd_subsys);
+ kset_unregister(edd_kset);
return rc;
}
@@ -787,7 +788,7 @@ edd_exit(void)
if ((edev = edd_devices[i]))
edd_device_unregister(edev);
}
- firmware_unregister(&edd_subsys);
+ kset_unregister(edd_kset);
}
late_initcall(edd_init);
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index 858a7b95933..f4f709d1370 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -129,13 +129,6 @@ struct efivar_attribute {
};
-#define EFI_ATTR(_name, _mode, _show, _store) \
-struct subsys_attribute efi_attr_##_name = { \
- .attr = {.name = __stringify(_name), .mode = _mode}, \
- .show = _show, \
- .store = _store, \
-};
-
#define EFIVAR_ATTR(_name, _mode, _show, _store) \
struct efivar_attribute efivar_attr_##_name = { \
.attr = {.name = __stringify(_name), .mode = _mode}, \
@@ -143,13 +136,6 @@ struct efivar_attribute efivar_attr_##_name = { \
.store = _store, \
};
-#define VAR_SUBSYS_ATTR(_name, _mode, _show, _store) \
-struct subsys_attribute var_subsys_attr_##_name = { \
- .attr = {.name = __stringify(_name), .mode = _mode}, \
- .show = _show, \
- .store = _store, \
-};
-
#define to_efivar_attr(_attr) container_of(_attr, struct efivar_attribute, attr)
#define to_efivar_entry(obj) container_of(obj, struct efivar_entry, kobj)
@@ -408,21 +394,16 @@ static struct kobj_type efivar_ktype = {
.default_attrs = def_attrs,
};
-static ssize_t
-dummy(struct kset *kset, char *buf)
-{
- return -ENODEV;
-}
-
static inline void
efivar_unregister(struct efivar_entry *var)
{
- kobject_unregister(&var->kobj);
+ kobject_put(&var->kobj);
}
-static ssize_t
-efivar_create(struct kset *kset, const char *buf, size_t count)
+static ssize_t efivar_create(struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t pos, size_t count)
{
struct efi_variable *new_var = (struct efi_variable *)buf;
struct efivar_entry *search_efivar, *n;
@@ -479,8 +460,9 @@ efivar_create(struct kset *kset, const char *buf, size_t count)
return count;
}
-static ssize_t
-efivar_delete(struct kset *kset, const char *buf, size_t count)
+static ssize_t efivar_delete(struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t pos, size_t count)
{
struct efi_variable *del_var = (struct efi_variable *)buf;
struct efivar_entry *search_efivar, *n;
@@ -537,25 +519,26 @@ efivar_delete(struct kset *kset, const char *buf, size_t count)
return count;
}
-static VAR_SUBSYS_ATTR(new_var, 0200, dummy, efivar_create);
-static VAR_SUBSYS_ATTR(del_var, 0200, dummy, efivar_delete);
+static struct bin_attribute var_subsys_attr_new_var = {
+ .attr = {.name = "new_var", .mode = 0200},
+ .write = efivar_create,
+};
-static struct subsys_attribute *var_subsys_attrs[] = {
- &var_subsys_attr_new_var,
- &var_subsys_attr_del_var,
- NULL,
+static struct bin_attribute var_subsys_attr_del_var = {
+ .attr = {.name = "del_var", .mode = 0200},
+ .write = efivar_delete,
};
/*
* Let's not leave out systab information that snuck into
* the efivars driver
*/
-static ssize_t
-systab_read(struct kset *kset, char *buf)
+static ssize_t systab_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
char *str = buf;
- if (!kset || !buf)
+ if (!kobj || !buf)
return -EINVAL;
if (efi.mps != EFI_INVALID_TABLE_ADDR)
@@ -576,15 +559,21 @@ systab_read(struct kset *kset, char *buf)
return str - buf;
}
-static EFI_ATTR(systab, 0400, systab_read, NULL);
+static struct kobj_attribute efi_attr_systab =
+ __ATTR(systab, 0400, systab_show, NULL);
-static struct subsys_attribute *efi_subsys_attrs[] = {
- &efi_attr_systab,
+static struct attribute *efi_subsys_attrs[] = {
+ &efi_attr_systab.attr,
NULL, /* maybe more in the future? */
};
-static decl_subsys(vars, &efivar_ktype, NULL);
-static decl_subsys(efi, NULL, NULL);
+static struct attribute_group efi_subsys_attr_group = {
+ .attrs = efi_subsys_attrs,
+};
+
+
+static struct kset *vars_kset;
+static struct kobject *efi_kobj;
/*
* efivar_create_sysfs_entry()
@@ -628,15 +617,16 @@ efivar_create_sysfs_entry(unsigned long variable_name_size,
*(short_name + strlen(short_name)) = '-';
efi_guid_unparse(vendor_guid, short_name + strlen(short_name));
- kobject_set_name(&new_efivar->kobj, "%s", short_name);
- kobj_set_kset_s(new_efivar, vars_subsys);
- i = kobject_register(&new_efivar->kobj);
+ new_efivar->kobj.kset = vars_kset;
+ i = kobject_init_and_add(&new_efivar->kobj, &efivar_ktype, NULL,
+ "%s", short_name);
if (i) {
kfree(short_name);
kfree(new_efivar);
return 1;
}
+ kobject_uevent(&new_efivar->kobj, KOBJ_ADD);
kfree(short_name);
short_name = NULL;
@@ -660,9 +650,8 @@ efivars_init(void)
efi_status_t status = EFI_NOT_FOUND;
efi_guid_t vendor_guid;
efi_char16_t *variable_name;
- struct subsys_attribute *attr;
unsigned long variable_name_size = 1024;
- int i, error = 0;
+ int error = 0;
if (!efi_enabled)
return -ENODEV;
@@ -676,23 +665,18 @@ efivars_init(void)
printk(KERN_INFO "EFI Variables Facility v%s %s\n", EFIVARS_VERSION,
EFIVARS_DATE);
- /*
- * For now we'll register the efi subsys within this driver
- */
-
- error = firmware_register(&efi_subsys);
-
- if (error) {
- printk(KERN_ERR "efivars: Firmware registration failed with error %d.\n", error);
+ /* For now we'll register the efi directory at /sys/firmware/efi */
+ efi_kobj = kobject_create_and_add("efi", firmware_kobj);
+ if (!efi_kobj) {
+ printk(KERN_ERR "efivars: Firmware registration failed.\n");
+ error = -ENOMEM;
goto out_free;
}
- kobj_set_kset_s(&vars_subsys, efi_subsys);
-
- error = subsystem_register(&vars_subsys);
-
- if (error) {
- printk(KERN_ERR "efivars: Subsystem registration failed with error %d.\n", error);
+ vars_kset = kset_create_and_add("vars", NULL, efi_kobj);
+ if (!vars_kset) {
+ printk(KERN_ERR "efivars: Subsystem registration failed.\n");
+ error = -ENOMEM;
goto out_firmware_unregister;
}
@@ -727,28 +711,28 @@ efivars_init(void)
* Now add attributes to allow creation of new vars
* and deletion of existing ones...
*/
-
- for (i = 0; (attr = var_subsys_attrs[i]) && !error; i++) {
- if (attr->show && attr->store)
- error = subsys_create_file(&vars_subsys, attr);
- }
+ error = sysfs_create_bin_file(&vars_kset->kobj,
+ &var_subsys_attr_new_var);
+ if (error)
+ printk(KERN_ERR "efivars: unable to create new_var sysfs file"
+ " due to error %d\n", error);
+ error = sysfs_create_bin_file(&vars_kset->kobj,
+ &var_subsys_attr_del_var);
+ if (error)
+ printk(KERN_ERR "efivars: unable to create del_var sysfs file"
+ " due to error %d\n", error);
/* Don't forget the systab entry */
-
- for (i = 0; (attr = efi_subsys_attrs[i]) && !error; i++) {
- if (attr->show)
- error = subsys_create_file(&efi_subsys, attr);
- }
-
+ error = sysfs_create_group(efi_kobj, &efi_subsys_attr_group);
if (error)
printk(KERN_ERR "efivars: Sysfs attribute export failed with error %d.\n", error);
else
goto out_free;
- subsystem_unregister(&vars_subsys);
+ kset_unregister(vars_kset);
out_firmware_unregister:
- firmware_unregister(&efi_subsys);
+ kobject_put(efi_kobj);
out_free:
kfree(variable_name);
@@ -768,8 +752,8 @@ efivars_exit(void)
efivar_unregister(entry);
}
- subsystem_unregister(&vars_subsys);
- firmware_unregister(&efi_subsys);
+ kset_unregister(vars_kset);
+ kobject_put(efi_kobj);
}
module_init(efivars_init);