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{
    "id": 2197478,
    "url": "http://patchwork.ozlabs.org/api/1.0/patches/2197478/?format=api",
    "project": {
        "id": 9,
        "url": "http://patchwork.ozlabs.org/api/1.0/projects/9/?format=api",
        "name": "Linux RTC development",
        "link_name": "rtc-linux",
        "list_id": "linux-rtc.vger.kernel.org",
        "list_email": "linux-rtc@vger.kernel.org",
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    "msgid": "<4a2389ed-6ea4-4cff-aad6-a5a9f9bd13e7@kernel.org>",
    "date": "2026-02-17T22:30:17",
    "name": "[RFC,07/10] driver core: make struct bus_type groups members constant arrays",
    "commit_ref": null,
    "pull_url": null,
    "state": "handled-elsewhere",
    "archived": false,
    "hash": "92f82215740dfc0d0ecfecebdd5db9e2d04b14ff",
    "submitter": {
        "id": 88130,
        "url": "http://patchwork.ozlabs.org/api/1.0/people/88130/?format=api",
        "name": "Heiner Kallweit",
        "email": "hkall@kernel.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/rtc-linux/patch/4a2389ed-6ea4-4cff-aad6-a5a9f9bd13e7@kernel.org/mbox/",
    "series": [
        {
            "id": 492492,
            "url": "http://patchwork.ozlabs.org/api/1.0/series/492492/?format=api",
            "date": "2026-02-17T22:24:26",
            "name": "driver core: constify groups arrays in several structs",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/492492/mbox/"
        }
    ],
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2197478/checks/",
    "tags": {},
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        "Message-ID": "<4a2389ed-6ea4-4cff-aad6-a5a9f9bd13e7@kernel.org>",
        "Date": "Tue, 17 Feb 2026 23:30:17 +0100",
        "Precedence": "bulk",
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        "MIME-Version": "1.0",
        "User-Agent": "Mozilla Thunderbird",
        "Subject": "[PATCH RFC 07/10] driver core: make struct bus_type groups members\n constant arrays",
        "From": "Heiner Kallweit <hkall@kernel.org>",
        "To": "=?utf-8?q?Thomas_Wei=C3=9Fschuh?= <linux@weissschuh.net>,\n Greg Kroah-Hartman <gregkh@linuxfoundation.org>,\n \"Rafael J. Wysocki\" <rafael@kernel.org>, Danilo Krummrich <dakr@kernel.org>,\n Jason Gunthorpe <jgg@ziepe.ca>, Leon Romanovsky <leon@kernel.org>,\n Alexandre Belloni <alexandre.belloni@bootlin.com>",
        "Cc": "driver-core@lists.linux.dev,\n Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,\n linux-rdma@vger.kernel.org, linux-rtc@vger.kernel.org",
        "References": "<5d0951ec-42c9-453f-9966-ecca593c4153@kernel.org>",
        "Content-Language": "en-US",
        "In-Reply-To": "<5d0951ec-42c9-453f-9966-ecca593c4153@kernel.org>",
        "Content-Type": "text/plain; charset=UTF-8",
        "Content-Transfer-Encoding": "7bit"
    },
    "content": "Constify the groupss arrays, allowing to assign constant arrays.\nAs a prerequisite this requires to constify the groups array argument\nin few functions.\n\nSigned-off-by: Heiner Kallweit <hkallweit1@gmail.com>\n---\n drivers/base/base.h        | 6 ++++--\n drivers/base/driver.c      | 4 ++--\n include/linux/device/bus.h | 6 +++---\n 3 files changed, 9 insertions(+), 7 deletions(-)",
    "diff": "diff --git a/drivers/base/base.h b/drivers/base/base.h\nindex 8c2175820da..b6852ba45cd 100644\n--- a/drivers/base/base.h\n+++ b/drivers/base/base.h\n@@ -202,8 +202,10 @@ static inline void dev_sync_state(struct device *dev)\n \t\tdev->driver->sync_state(dev);\n }\n \n-int driver_add_groups(const struct device_driver *drv, const struct attribute_group **groups);\n-void driver_remove_groups(const struct device_driver *drv, const struct attribute_group **groups);\n+int driver_add_groups(const struct device_driver *drv,\n+\t\t      const struct attribute_group *const *groups);\n+void driver_remove_groups(const struct device_driver *drv,\n+\t\t\t  const struct attribute_group *const *groups);\n void device_driver_detach(struct device *dev);\n \n static inline void device_set_driver(struct device *dev, const struct device_driver *drv)\ndiff --git a/drivers/base/driver.c b/drivers/base/driver.c\nindex 8ab010ddf70..c5ebf1fdad7 100644\n--- a/drivers/base/driver.c\n+++ b/drivers/base/driver.c\n@@ -203,13 +203,13 @@ void driver_remove_file(const struct device_driver *drv,\n EXPORT_SYMBOL_GPL(driver_remove_file);\n \n int driver_add_groups(const struct device_driver *drv,\n-\t\t      const struct attribute_group **groups)\n+\t\t      const struct attribute_group *const *groups)\n {\n \treturn sysfs_create_groups(&drv->p->kobj, groups);\n }\n \n void driver_remove_groups(const struct device_driver *drv,\n-\t\t\t  const struct attribute_group **groups)\n+\t\t\t  const struct attribute_group *const *groups)\n {\n \tsysfs_remove_groups(&drv->p->kobj, groups);\n }\ndiff --git a/include/linux/device/bus.h b/include/linux/device/bus.h\nindex 99c3c83ea52..00d8a080f93 100644\n--- a/include/linux/device/bus.h\n+++ b/include/linux/device/bus.h\n@@ -78,9 +78,9 @@ struct fwnode_handle;\n struct bus_type {\n \tconst char\t\t*name;\n \tconst char\t\t*dev_name;\n-\tconst struct attribute_group **bus_groups;\n-\tconst struct attribute_group **dev_groups;\n-\tconst struct attribute_group **drv_groups;\n+\tconst struct attribute_group *const *bus_groups;\n+\tconst struct attribute_group *const *dev_groups;\n+\tconst struct attribute_group *const *drv_groups;\n \n \tint (*match)(struct device *dev, const struct device_driver *drv);\n \tint (*uevent)(const struct device *dev, struct kobj_uevent_env *env);\n",
    "prefixes": [
        "RFC",
        "07/10"
    ]
}