[PATCH 41/54] kset: convert efivars to use kset_create for the efi subsystem.

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To: <linux-kernel@...>
Cc: Greg Kroah-Hartman <gregkh@...>, Kay Sievers <kay.sievers@...>, Matt Domsch <Matt_Domsch@...>, Matt Tolentino <matthew.e.tolentino@...>
Date: Friday, November 2, 2007 - 7:59 pm

Dynamically create the kset instead of declaring it statically.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Matt Domsch <Matt_Domsch@dell.com>
Cc: Matt Tolentino <matthew.e.tolentino@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/firmware/efivars.c |   17 ++++++++---------
 1 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index 8d7c8c5..c2383ac 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -444,7 +444,7 @@ static struct attribute_group efi_subsys_attr_group = {
 
 
 static decl_subsys(vars, NULL);
-static decl_subsys(efi, NULL);
+static struct kset *efi_kset;
 
 /*
  * efivar_create_sysfs_entry()
@@ -539,15 +539,14 @@ efivars_init(void)
 	/*
 	 * For now we'll register the efi subsys within this driver
 	 */
-
-	error = firmware_register(&efi_subsys);
-
-	if (error) {
+	efi_kset = kset_create_and_register("efi", NULL, NULL, firmware_kset);
+	if (IS_ERR(efi_kset)) {
+		error = PTR_ERR(efi_kset);
 		printk(KERN_ERR "efivars: Firmware registration failed with error %d.\n", error);
 		goto out_free;
 	}
 
-	vars_subsys.kobj.kset = &efi_subsys;
+	vars_subsys.kobj.kset = efi_kset;
 
 	error = subsystem_register(&vars_subsys);
 
@@ -584,7 +583,7 @@ efivars_init(void)
 	} while (status != EFI_NOT_FOUND);
 
 	/* Don't forget the systab entry */
-	error = sysfs_create_group(&efi_subsys.kobj, &efi_subsys_attr_group);
+	error = sysfs_create_group(&efi_kset->kobj, &efi_subsys_attr_group);
 	if (error)
 		printk(KERN_ERR "efivars: Sysfs attribute export failed with error %d.\n", error);
 	else
@@ -593,7 +592,7 @@ efivars_init(void)
 	subsystem_unregister(&vars_subsys);
 
 out_firmware_unregister:
-	firmware_unregister(&efi_subsys);
+	kset_unregister(efi_kset);
 
 out_free:
 	kfree(variable_name);
@@ -614,7 +613,7 @@ efivars_exit(void)
 	}
 
 	subsystem_unregister(&vars_subsys);
-	firmware_unregister(&efi_subsys);
+	kset_unregister(efi_kset);
 }
 
 module_init(efivars_init);
-- 
1.5.3.4

-
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Messages in current thread:
Re: [RFC] kobject and kset core changes and cleanups, Andrew Morton, (Tue Nov 6, 4:04 am)
Re: [RFC] kobject and kset core changes and cleanups, Andrew Morton, (Tue Nov 6, 3:11 am)
Re: [RFC] kobject and kset core changes and cleanups, Stephane Eranian, (Tue Nov 6, 4:14 am)
Re: [RFC] kobject and kset core changes and cleanups, Stephane Eranian, (Tue Nov 6, 5:33 pm)
Re: [RFC] kobject and kset core changes and cleanups, Andrew Morton, (Tue Nov 6, 2:25 am)
[PATCH 54/54] kset: remove decl_subsys macro, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 53/54] kset: convert ocfs2 to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 47/54] kobject: convert parisc/pdc_stable to kobj_att..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 52/54] firmware: remove firmware_(un)register(), Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 51/54] kset: convert acpi to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 50/54] kset: convert edd to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 48/54] kset: convert parisc/pdc_stable.c to use kset_..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 49/54] Driver Core: kill subsys_attribute and default..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 46/54] kset: convert s390 ipl.c to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 45/54] kobject: convert s390 ipl.c to kobj_attr inter..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 42/54] kset: convert efivars to use kset_create for t..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 44/54] kobject: convert pseries/power.c to kobj_attr ..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 38/54] efivars: remove new_var and del_var files from..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 43/54] kobject: convert arm/mach-omap1/pm.c to kobj_a..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 40/54] firmware: export firmware_kset so that people ..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 41/54] kset: convert efivars to use kset_create for t..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 39/54] kobject: convert efivars to kobj_attr interface, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 37/54] ecryptfs: remove version_str file from sysfs, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 33/54] driver core: remove fields from struct bus_type, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 35/54] Driver Core: switch all dynamic ksets to kobj_..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 36/54] fix struct user_info export's sysfs interaction, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 34/54] Driver Core: add kobj_attribute handling, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 31/54] driver core: add way to get to bus kset, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 32/54] driver core: add way to get to bus device klist, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 30/54] driver core: remove owner field from struct bu..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 28/54] kset: convert struct bus_device-&gt;devices to..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 29/54] kset: convert struct bus_device-&gt;drivers to..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 27/54] kset: convert s390 hypervisor kset to use kset..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 26/54] kset: convert /sys/power to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 25/54] kset: convert /sys/module to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 22/54] kset: convert /sys/devices/system to use kset_..., Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 24/54] kset: move /sys/slab to /sys/kernel/slab, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 23/54] kset: convert slub to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:59 pm)
[PATCH 16/54] kset: convert kernel_subsys to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 20/54] kset: convert /sys/devices to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 21/54] kset: convert /sys/hypervisor to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 19/54] kset: convert drivers/base/firmware.c kset_cre..., Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 17/54] kset: convert drivers/base/bus.c kset_create_a..., Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 18/54] kset: convert drivers/base/class.c kset_create..., Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 15/54] kset: remove decl_subsys_name, Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 13/54] kset: convert dlm to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 14/54] kset: convert pci hotplug to use kset_create_a..., Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 12/54] kset: convert gfs2 dlm to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 11/54] kset: convert gfs2 to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 10/54] kset: convert main fs kset to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 09/54] kset: convert ecryptfs to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 06/54] kset: convert securityfs to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 08/54] kset: convert configfs to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 07/54] kset: convert debugfs to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 05/54] kset: convert fuse to use kset_create, Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 04/54] kset: add kset_create_and_register function, Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 03/54] KOBJECT: remove kobj_set_kset_s as no one is u..., Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 02/54] KOBJECT: remove struct kobj_type from struct k..., Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)
[PATCH 01/54] ecryptfs: clean up attribute mess, Greg Kroah-Hartman, (Fri Nov 2, 7:58 pm)