linux-kernel - [PATCH] drm/i915: Make kobj

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Message-Id: <20230216-kobj_type-i915-v1-1-ca65c9b93518@weissschuh.net>
Date:   Thu, 16 Feb 2023 01:05:30 +0000
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH] drm/i915: Make kobj_type structures constant

Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.

Take advantage of this to constify the structure definitions to prevent
modification at runtime.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 drivers/gpu/drm/i915/gt/intel_gt_sysfs.c | 2 +-
 drivers/gpu/drm/i915/gt/sysfs_engines.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_gt_sysfs.c b/drivers/gpu/drm/i915/gt/intel_gt_sysfs.c
index 9486dd3bed99..df15b17caf89 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_sysfs.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_sysfs.c
@@ -71,7 +71,7 @@ static void kobj_gt_release(struct kobject *kobj)
 {
 }
 
-static struct kobj_type kobj_gt_type = {
+static const struct kobj_type kobj_gt_type = {
 	.release = kobj_gt_release,
 	.sysfs_ops = &kobj_sysfs_ops,
 	.default_groups = id_groups,
diff --git a/drivers/gpu/drm/i915/gt/sysfs_engines.c b/drivers/gpu/drm/i915/gt/sysfs_engines.c
index f2d9858d827c..b5e0fe5dbf6c 100644
--- a/drivers/gpu/drm/i915/gt/sysfs_engines.c
+++ b/drivers/gpu/drm/i915/gt/sysfs_engines.c
@@ -421,7 +421,7 @@ static void kobj_engine_release(struct kobject *kobj)
 	kfree(kobj);
 }
 
-static struct kobj_type kobj_engine_type = {
+static const struct kobj_type kobj_engine_type = {
 	.release = kobj_engine_release,
 	.sysfs_ops = &kobj_sysfs_ops
 };

---
base-commit: 033c40a89f55525139fd5b6342281b09b97d05bf
change-id: 20230216-kobj_type-i915-886bebc36129

Best regards,
-- 
Thomas Weißschuh <linux@...ssschuh.net>