diff mbox series

[24/36] driver core: bus: constantify bus_register()

Message ID	20230313182918.1312597-24-gregkh@linuxfoundation.org
State	New
Headers	Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> To: linux-kernel@vger.kernel.org Cc: rafael@kernel.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org> Subject: [PATCH 24/36] driver core: bus: constantify bus_register() Date: Mon, 13 Mar 2023 19:29:06 +0100 Message-Id: <20230313182918.1312597-24-gregkh@linuxfoundation.org> In-Reply-To: <20230313182918.1312597-1-gregkh@linuxfoundation.org> References: <20230313182918.1312597-1-gregkh@linuxfoundation.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	[01/36] EDAC/sysfs: move to use bus_get_dev_root() \| [01/36] EDAC/sysfs: move to use bus_get_dev_root() [02/36] ACPI: LPIT: move to use bus_get_dev_root() [03/36] cpufreq: move to use bus_get_dev_root() [04/36] platform/x86: ibm_rtl: move to use bus_get_dev_root() [05/36] platform/x86: intel-uncore-freq: move to use bus_get_dev_root() [06/36] cpuidle: move to use bus_get_dev_root() [07/36] cpu/hotplug: move to use bus_get_dev_root() [08/36] workqueue: move to use bus_get_dev_root() [09/36] x86/microcode: move to use bus_get_dev_root() [10/36] x86/umwait: move to use bus_get_dev_root() [11/36] arm64: cpufeature: move to use bus_get_dev_root() [12/36] powerpc/sysfs: move to use bus_get_dev_root() [13/36] powerpc/powernv: move to use bus_get_dev_root() [14/36] powerpc/pseries: move to use bus_get_dev_root() [15/36] powerpc/fsl: move to use bus_get_dev_root() [16/36] sh: dma-sysfs: move to use bus_get_dev_root() [17/36] sh: intc: move to use bus_get_dev_root() [18/36] s390/topology: move to use bus_get_dev_root() [19/36] s390/smp: move to use bus_get_dev_root() [20/36] cpufreq: amd-pstate: move to use bus_get_dev_root() [21/36] irqchip/mbigen: move to use bus_get_dev_root() [22/36] driver core: bus: move dev_root out of struct bus_type [23/36] driver core: bus: mark the struct bus_type for sysfs callbacks as constant [24/36] driver core: bus: constantify bus_register() [25/36] driver core: bus: constify bus_rescan_devices() [26/36] driver core: bus: constify driver_find() [27/36] driver core: bus: constify bus_get() [28/36] driver core: make the bus_type in struct device_driver constant [29/36] crypto: hisilicon/qm - make struct bus_type * const [30/36] drm/i915/huc: use const struct bus_type pointers [31/36] vhost-vdpa: vhost_vdpa_alloc_domain() should be using a const struct bus_type * [32/36] dmaengine: idxd: use const struct bus_type * [33/36] ARM/dma-mapping: const a pointer to bus_type in arm_iommu_create_mapping() [34/36] iommu: make the pointer to struct bus_type constant [35/36] driver core: device.h: make struct bus_type a const * [36/36] USB: mark all struct bus_type as const

Commit Message

Greg KH March 13, 2023, 6:29 p.m. UTC

  bus_register() is now safe to take a constant * to bus_type, so make
that change and mark the subsys_private bus_type * constant as well.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/base/base.h        | 2 +-
 drivers/base/bus.c         | 2 +-
 include/linux/device/bus.h | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff mbox series

Patch

diff --git a/drivers/base/base.h b/drivers/base/base.h
index f1034e27e651..09c6682d16b5 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -49,7 +49,7 @@  struct subsys_private {
 	struct klist klist_drivers;
 	struct blocking_notifier_head bus_notifier;
 	unsigned int drivers_autoprobe:1;
-	struct bus_type *bus;
+	const struct bus_type *bus;
 	struct device *dev_root;
 
 	struct kset glue_dirs;
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 819ab745fa9f..f739a2a79e59 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -841,7 +841,7 @@  static struct bus_attribute bus_attr_uevent = __ATTR(uevent, 0200, NULL,
  * infrastructure, then register the children subsystems it has:
  * the devices and drivers that belong to the subsystem.
  */
-int bus_register(struct bus_type *bus)
+int bus_register(const struct bus_type *bus)
 {
 	int retval;
 	struct subsys_private *priv;
diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h
index 78c875386c06..c30c4748c170 100644
--- a/include/linux/device/bus.h
+++ b/include/linux/device/bus.h
@@ -110,7 +110,7 @@  struct bus_type {
 	bool need_parent_lock;
 };
 
-extern int __must_check bus_register(struct bus_type *bus);
+extern int __must_check bus_register(const struct bus_type *bus);
 
 extern void bus_unregister(const struct bus_type *bus);