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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-11 12:30:07 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-27 13:45:36 +0100
commit162736b0d71a9630f7c99dda7cefd5600fa03d69 (patch)
tree0e0107ec32e9134d0305a445d2e04fd58e7d9e75 /drivers
parentfirewire: move fw_device() and fw_unit() to use container_of_const() (diff)
downloadlinux-162736b0d71a9630f7c99dda7cefd5600fa03d69.tar.xz
linux-162736b0d71a9630f7c99dda7cefd5600fa03d69.zip
driver core: make struct device_type.uevent() take a const *
The uevent() callback in struct device_type should not be modifying the device that is passed into it, so mark it as a const * and propagate the function signature changes out into all relevant subsystems that use this callback. Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Andreas Noever <andreas.noever@gmail.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Bard Liao <yung-chuan.liao@linux.intel.com> Cc: Chaitanya Kulkarni <kch@nvidia.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Frank Rowand <frowand.list@gmail.com> Cc: Ira Weiny <ira.weiny@intel.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Jens Axboe <axboe@kernel.dk> Cc: Jilin Yuan <yuanjilin@cdjrlc.com> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Len Brown <lenb@kernel.org> Cc: Mark Gross <markgross@kernel.org> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org> Cc: Maximilian Luz <luzmaximilian@gmail.com> Cc: Michael Jamet <michael.jamet@intel.com> Cc: Ming Lei <ming.lei@redhat.com> Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Sakari Ailus <sakari.ailus@linux.intel.com> Cc: Sanyog Kale <sanyog.r.kale@intel.com> Cc: Sean Young <sean@mess.org> Cc: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Won Chung <wonchung@google.com> Cc: Yehezkel Bernat <YehezkelShB@gmail.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> # for Thunderbolt Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Wolfram Sang <wsa@kernel.org> Acked-by: Vinod Koul <vkoul@kernel.org> Acked-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20230111113018.459199-6-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/device_sysfs.c8
-rw-r--r--drivers/acpi/internal.h2
-rw-r--r--drivers/firewire/core-device.c8
-rw-r--r--drivers/gpu/drm/display/drm_dp_aux_bus.c2
-rw-r--r--drivers/i2c/i2c-core-base.c4
-rw-r--r--drivers/i3c/device.c2
-rw-r--r--drivers/i3c/master.c4
-rw-r--r--drivers/input/input.c16
-rw-r--r--drivers/media/rc/rc-main.c2
-rw-r--r--drivers/platform/surface/aggregator/bus.c4
-rw-r--r--drivers/soundwire/bus_type.c4
-rw-r--r--drivers/thunderbolt/switch.c4
-rw-r--r--drivers/thunderbolt/tb.h2
-rw-r--r--drivers/thunderbolt/xdomain.c6
-rw-r--r--drivers/tty/serdev/core.c2
-rw-r--r--drivers/usb/core/message.c8
-rw-r--r--drivers/usb/core/usb.c4
-rw-r--r--drivers/usb/phy/phy.c6
-rw-r--r--drivers/usb/roles/class.c3
-rw-r--r--drivers/usb/typec/class.c2
20 files changed, 46 insertions, 47 deletions
diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
index 120873dad2cc..daff2c0c5c52 100644
--- a/drivers/acpi/device_sysfs.c
+++ b/drivers/acpi/device_sysfs.c
@@ -133,7 +133,7 @@ static void acpi_hide_nondev_subnodes(struct acpi_device_data *data)
* -EINVAL: output error
* -ENOMEM: output is truncated
*/
-static int create_pnp_modalias(struct acpi_device *acpi_dev, char *modalias,
+static int create_pnp_modalias(const struct acpi_device *acpi_dev, char *modalias,
int size)
{
int len;
@@ -191,7 +191,7 @@ static int create_pnp_modalias(struct acpi_device *acpi_dev, char *modalias,
* only be called for devices having ACPI_DT_NAMESPACE_HID in their list of
* ACPI/PNP IDs.
*/
-static int create_of_modalias(struct acpi_device *acpi_dev, char *modalias,
+static int create_of_modalias(const struct acpi_device *acpi_dev, char *modalias,
int size)
{
struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER };
@@ -239,7 +239,7 @@ static int create_of_modalias(struct acpi_device *acpi_dev, char *modalias,
return len;
}
-int __acpi_device_uevent_modalias(struct acpi_device *adev,
+int __acpi_device_uevent_modalias(const struct acpi_device *adev,
struct kobj_uevent_env *env)
{
int len;
@@ -277,7 +277,7 @@ int __acpi_device_uevent_modalias(struct acpi_device *adev,
* Because other buses do not support ACPI HIDs & CIDs, e.g. for a device with
* hid:IBM0001 and cid:ACPI0001 you get: "acpi:IBM0001:ACPI0001".
*/
-int acpi_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env)
+int acpi_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *env)
{
return __acpi_device_uevent_modalias(acpi_companion_match(dev), env);
}
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index ec584442fb29..06ad497067ac 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -120,7 +120,7 @@ int acpi_bus_register_early_device(int type);
Device Matching and Notification
-------------------------------------------------------------------------- */
struct acpi_device *acpi_companion_match(const struct device *dev);
-int __acpi_device_uevent_modalias(struct acpi_device *adev,
+int __acpi_device_uevent_modalias(const struct acpi_device *adev,
struct kobj_uevent_env *env);
/* --------------------------------------------------------------------------
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
index adddd8c45d0c..aa597cda0d88 100644
--- a/drivers/firewire/core-device.c
+++ b/drivers/firewire/core-device.c
@@ -133,7 +133,7 @@ static void get_ids(const u32 *directory, int *id)
}
}
-static void get_modalias_ids(struct fw_unit *unit, int *id)
+static void get_modalias_ids(const struct fw_unit *unit, int *id)
{
get_ids(&fw_parent_device(unit)->config_rom[5], id);
get_ids(unit->directory, id);
@@ -195,7 +195,7 @@ static void fw_unit_remove(struct device *dev)
driver->remove(fw_unit(dev));
}
-static int get_modalias(struct fw_unit *unit, char *buffer, size_t buffer_size)
+static int get_modalias(const struct fw_unit *unit, char *buffer, size_t buffer_size)
{
int id[] = {0, 0, 0, 0};
@@ -206,9 +206,9 @@ static int get_modalias(struct fw_unit *unit, char *buffer, size_t buffer_size)
id[0], id[1], id[2], id[3]);
}
-static int fw_unit_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int fw_unit_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct fw_unit *unit = fw_unit(dev);
+ const struct fw_unit *unit = fw_unit(dev);
char modalias[64];
get_modalias(unit, modalias, sizeof(modalias));
diff --git a/drivers/gpu/drm/display/drm_dp_aux_bus.c b/drivers/gpu/drm/display/drm_dp_aux_bus.c
index e31a0261c53e..8a165be1a821 100644
--- a/drivers/gpu/drm/display/drm_dp_aux_bus.c
+++ b/drivers/gpu/drm/display/drm_dp_aux_bus.c
@@ -161,7 +161,7 @@ static void dp_aux_ep_dev_release(struct device *dev)
kfree(aux_ep_with_data);
}
-static int dp_aux_ep_dev_modalias(struct device *dev, struct kobj_uevent_env *env)
+static int dp_aux_ep_dev_modalias(const struct device *dev, struct kobj_uevent_env *env)
{
return of_device_uevent_modalias(dev, env);
}
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index 087e480b624c..51b78a52ab7f 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -136,9 +136,9 @@ static int i2c_device_match(struct device *dev, struct device_driver *drv)
return 0;
}
-static int i2c_device_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int i2c_device_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct i2c_client *client = to_i2c_client(dev);
+ const struct i2c_client *client = to_i2c_client(dev);
int rc;
rc = of_device_uevent_modalias(dev, env);
diff --git a/drivers/i3c/device.c b/drivers/i3c/device.c
index d111499061b2..1a6a8703dbc3 100644
--- a/drivers/i3c/device.c
+++ b/drivers/i3c/device.c
@@ -78,7 +78,7 @@ EXPORT_SYMBOL_GPL(i3c_device_do_setdasa);
*
* Retrieve I3C dev info.
*/
-void i3c_device_get_info(struct i3c_device *dev,
+void i3c_device_get_info(const struct i3c_device *dev,
struct i3c_device_info *info)
{
if (!info)
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index d7e6f6c99aea..7a60e1c5e587 100644
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -273,9 +273,9 @@ static struct attribute *i3c_device_attrs[] = {
};
ATTRIBUTE_GROUPS(i3c_device);
-static int i3c_device_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int i3c_device_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct i3c_device *i3cdev = dev_to_i3cdev(dev);
+ const struct i3c_device *i3cdev = dev_to_i3cdev(dev);
struct i3c_device_info devinfo;
u16 manuf, part, ext;
diff --git a/drivers/input/input.c b/drivers/input/input.c
index ca2e3dd7188b..0336e799d713 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1372,7 +1372,7 @@ INPUT_DEV_STRING_ATTR_SHOW(phys);
INPUT_DEV_STRING_ATTR_SHOW(uniq);
static int input_print_modalias_bits(char *buf, int size,
- char name, unsigned long *bm,
+ char name, const unsigned long *bm,
unsigned int min_bit, unsigned int max_bit)
{
int len = 0, i;
@@ -1384,7 +1384,7 @@ static int input_print_modalias_bits(char *buf, int size,
return len;
}
-static int input_print_modalias(char *buf, int size, struct input_dev *id,
+static int input_print_modalias(char *buf, int size, const struct input_dev *id,
int add_cr)
{
int len;
@@ -1432,7 +1432,7 @@ static ssize_t input_dev_show_modalias(struct device *dev,
}
static DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL);
-static int input_print_bitmap(char *buf, int buf_size, unsigned long *bitmap,
+static int input_print_bitmap(char *buf, int buf_size, const unsigned long *bitmap,
int max, int add_cr);
static ssize_t input_dev_show_properties(struct device *dev,
@@ -1524,7 +1524,7 @@ static const struct attribute_group input_dev_id_attr_group = {
.attrs = input_dev_id_attrs,
};
-static int input_print_bitmap(char *buf, int buf_size, unsigned long *bitmap,
+static int input_print_bitmap(char *buf, int buf_size, const unsigned long *bitmap,
int max, int add_cr)
{
int i;
@@ -1621,7 +1621,7 @@ static void input_dev_release(struct device *device)
* device bitfields.
*/
static int input_add_uevent_bm_var(struct kobj_uevent_env *env,
- const char *name, unsigned long *bitmap, int max)
+ const char *name, const unsigned long *bitmap, int max)
{
int len;
@@ -1639,7 +1639,7 @@ static int input_add_uevent_bm_var(struct kobj_uevent_env *env,
}
static int input_add_uevent_modalias_var(struct kobj_uevent_env *env,
- struct input_dev *dev)
+ const struct input_dev *dev)
{
int len;
@@ -1677,9 +1677,9 @@ static int input_add_uevent_modalias_var(struct kobj_uevent_env *env,
return err; \
} while (0)
-static int input_dev_uevent(struct device *device, struct kobj_uevent_env *env)
+static int input_dev_uevent(const struct device *device, struct kobj_uevent_env *env)
{
- struct input_dev *dev = to_input_dev(device);
+ const struct input_dev *dev = to_input_dev(device);
INPUT_ADD_HOTPLUG_VAR("PRODUCT=%x/%x/%x/%x",
dev->id.bustype, dev->id.vendor,
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index 527d9324742b..6bdad6341844 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -1614,7 +1614,7 @@ static void rc_dev_release(struct device *device)
kfree(dev);
}
-static int rc_dev_uevent(struct device *device, struct kobj_uevent_env *env)
+static int rc_dev_uevent(const struct device *device, struct kobj_uevent_env *env)
{
struct rc_dev *dev = to_rc_dev(device);
int ret = 0;
diff --git a/drivers/platform/surface/aggregator/bus.c b/drivers/platform/surface/aggregator/bus.c
index de539938896e..407eb55050a6 100644
--- a/drivers/platform/surface/aggregator/bus.c
+++ b/drivers/platform/surface/aggregator/bus.c
@@ -35,9 +35,9 @@ static struct attribute *ssam_device_attrs[] = {
};
ATTRIBUTE_GROUPS(ssam_device);
-static int ssam_device_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int ssam_device_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct ssam_device *sdev = to_ssam_device(dev);
+ const struct ssam_device *sdev = to_ssam_device(dev);
return add_uevent_var(env, "MODALIAS=ssam:d%02Xc%02Xt%02Xi%02Xf%02X",
sdev->uid.domain, sdev->uid.category,
diff --git a/drivers/soundwire/bus_type.c b/drivers/soundwire/bus_type.c
index 04b3529f8929..26c9a0a85d49 100644
--- a/drivers/soundwire/bus_type.c
+++ b/drivers/soundwire/bus_type.c
@@ -58,9 +58,9 @@ int sdw_slave_modalias(const struct sdw_slave *slave, char *buf, size_t size)
slave->id.sdw_version, slave->id.class_id);
}
-int sdw_slave_uevent(struct device *dev, struct kobj_uevent_env *env)
+int sdw_slave_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct sdw_slave *slave = dev_to_sdw_dev(dev);
+ const struct sdw_slave *slave = dev_to_sdw_dev(dev);
char modalias[32];
sdw_slave_modalias(slave, modalias, sizeof(modalias));
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 363d712aa364..cb6c304c445e 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -2176,9 +2176,9 @@ static void tb_switch_release(struct device *dev)
kfree(sw);
}
-static int tb_switch_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int tb_switch_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct tb_switch *sw = tb_to_switch(dev);
+ const struct tb_switch *sw = tb_to_switch(dev);
const char *type;
if (sw->config.thunderbolt_version == USB4_VERSION_1_0) {
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index f9786976f5ec..909da0a98134 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -815,7 +815,7 @@ static inline bool tb_is_switch(const struct device *dev)
return dev->type == &tb_switch_type;
}
-static inline struct tb_switch *tb_to_switch(struct device *dev)
+static inline struct tb_switch *tb_to_switch(const struct device *dev)
{
if (tb_is_switch(dev))
return container_of(dev, struct tb_switch, dev);
diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c
index 3c51e47dd86b..a48335c95d39 100644
--- a/drivers/thunderbolt/xdomain.c
+++ b/drivers/thunderbolt/xdomain.c
@@ -881,7 +881,7 @@ static ssize_t key_show(struct device *dev, struct device_attribute *attr,
}
static DEVICE_ATTR_RO(key);
-static int get_modalias(struct tb_service *svc, char *buf, size_t size)
+static int get_modalias(const struct tb_service *svc, char *buf, size_t size)
{
return snprintf(buf, size, "tbsvc:k%sp%08Xv%08Xr%08X", svc->key,
svc->prtcid, svc->prtcvers, svc->prtcrevs);
@@ -953,9 +953,9 @@ static const struct attribute_group *tb_service_attr_groups[] = {
NULL,
};
-static int tb_service_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int tb_service_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct tb_service *svc = container_of(dev, struct tb_service, dev);
+ const struct tb_service *svc = container_of_const(dev, struct tb_service, dev);
char modalias[64];
get_modalias(svc, modalias, sizeof(modalias));
diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c
index 0180e1e4e75d..aa80de3a8194 100644
--- a/drivers/tty/serdev/core.c
+++ b/drivers/tty/serdev/core.c
@@ -42,7 +42,7 @@ static struct attribute *serdev_device_attrs[] = {
};
ATTRIBUTE_GROUPS(serdev_device);
-static int serdev_device_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int serdev_device_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
int rc;
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 127fac1af676..cc404bb7e8f7 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1819,11 +1819,11 @@ void usb_authorize_interface(struct usb_interface *intf)
}
}
-static int usb_if_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int usb_if_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct usb_device *usb_dev;
- struct usb_interface *intf;
- struct usb_host_interface *alt;
+ const struct usb_device *usb_dev;
+ const struct usb_interface *intf;
+ const struct usb_host_interface *alt;
intf = to_usb_interface(dev);
usb_dev = interface_to_usbdev(intf);
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 11b15d7b357a..8527c06b65e6 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -423,9 +423,9 @@ static void usb_release_dev(struct device *dev)
kfree(udev);
}
-static int usb_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int usb_dev_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct usb_device *usb_dev;
+ const struct usb_device *usb_dev;
usb_dev = to_usb_device(dev);
diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
index 1b24492bb4e5..4b468bde19cf 100644
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -80,7 +80,7 @@ static struct usb_phy *__of_usb_find_phy(struct device_node *node)
return ERR_PTR(-EPROBE_DEFER);
}
-static struct usb_phy *__device_to_usb_phy(struct device *dev)
+static struct usb_phy *__device_to_usb_phy(const struct device *dev)
{
struct usb_phy *usb_phy;
@@ -145,9 +145,9 @@ static void usb_phy_notify_charger_work(struct work_struct *work)
kobject_uevent(&usb_phy->dev->kobj, KOBJ_CHANGE);
}
-static int usb_phy_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int usb_phy_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct usb_phy *usb_phy;
+ const struct usb_phy *usb_phy;
char uchger_state[50] = { 0 };
char uchger_type[50] = { 0 };
unsigned long flags;
diff --git a/drivers/usb/roles/class.c b/drivers/usb/roles/class.c
index eacb46ec2ab3..56814ef80c24 100644
--- a/drivers/usb/roles/class.c
+++ b/drivers/usb/roles/class.c
@@ -274,8 +274,7 @@ static const struct attribute_group *usb_role_switch_groups[] = {
NULL,
};
-static int
-usb_role_switch_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int usb_role_switch_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
int ret;
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index 5897905cb4f0..a89d8fd3f46c 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -1737,7 +1737,7 @@ static const struct attribute_group *typec_groups[] = {
NULL
};
-static int typec_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int typec_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
int ret;