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Message-ID: <CAJZ5v0jBnSG86iJ_re2jQohTw1RMSCvPBUvd8gHOwSxxW=1-NA@mail.gmail.com>
Date: Wed, 11 Jan 2023 18:39:27 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org,
"Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: [PATCH v2 15/16] driver core: make struct bus_type.uevent() take
a const *
On Wed, Jan 11, 2023 at 12:30 PM Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> The uevent() callback in struct bus_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: "Rafael J. Wysocki" <rafael@...nel.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Acked-by: Rafael J. Wysocki <rafael@...nel.org>
> ---
> arch/mips/sgi-ip22/ip22-gio.c | 4 ++--
> arch/parisc/kernel/drivers.c | 4 ++--
> arch/powerpc/platforms/pseries/vio.c | 4 ++--
> arch/sparc/kernel/vio.c | 2 +-
> drivers/acpi/bus.c | 2 +-
> drivers/amba/bus.c | 4 ++--
> drivers/base/auxiliary.c | 2 +-
> drivers/base/cpu.c | 2 +-
> drivers/base/platform.c | 4 ++--
> drivers/bcma/main.c | 6 +++---
> drivers/bus/fsl-mc/fsl-mc-bus.c | 4 ++--
> drivers/bus/mhi/ep/main.c | 4 ++--
> drivers/bus/mhi/host/init.c | 4 ++--
> drivers/bus/mips_cdmm.c | 4 ++--
> drivers/bus/sunxi-rsb.c | 2 +-
> drivers/cxl/core/memdev.c | 2 +-
> drivers/cxl/core/port.c | 8 ++++----
> drivers/cxl/cxl.h | 4 ++--
> drivers/cxl/cxlmem.h | 2 +-
> drivers/dax/bus.c | 2 +-
> drivers/eisa/eisa-bus.c | 4 ++--
> drivers/firmware/arm_ffa/bus.c | 4 ++--
> drivers/fpga/dfl.c | 4 ++--
> drivers/gpu/drm/drm_mipi_dsi.c | 4 ++--
> drivers/gpu/host1x/bus.c | 2 +-
> drivers/greybus/core.c | 14 +++++++-------
> drivers/hid/hid-core.c | 4 ++--
> drivers/hid/intel-ish-hid/ishtp/bus.c | 2 +-
> drivers/hsi/hsi_core.c | 2 +-
> drivers/hv/vmbus_drv.c | 4 ++--
> drivers/input/serio/serio.c | 4 ++--
> drivers/ipack/ipack.c | 4 ++--
> drivers/macintosh/macio_asic.c | 2 +-
> drivers/mcb/mcb-core.c | 4 ++--
> drivers/memstick/core/memstick.c | 6 +++---
> drivers/misc/mei/bus.c | 4 ++--
> drivers/misc/tifm_core.c | 4 ++--
> drivers/mmc/core/bus.c | 4 ++--
> drivers/mmc/core/sdio_bus.c | 4 ++--
> drivers/net/phy/mdio_bus.c | 2 +-
> drivers/net/xen-netback/xenbus.c | 2 +-
> drivers/nvdimm/bus.c | 4 ++--
> drivers/nvdimm/dax_devs.c | 2 +-
> drivers/nvdimm/dimm_devs.c | 2 +-
> drivers/nvdimm/nd-core.h | 10 +++++-----
> drivers/nvdimm/nd.h | 4 ++--
> drivers/nvdimm/region_devs.c | 4 ++--
> drivers/pci/pci-driver.c | 4 ++--
> drivers/pcmcia/ds.c | 4 ++--
> drivers/platform/x86/wmi.c | 4 ++--
> drivers/rapidio/rio-driver.c | 4 ++--
> drivers/rpmsg/rpmsg_core.c | 4 ++--
> drivers/s390/cio/css.c | 4 ++--
> drivers/s390/cio/device.c | 8 ++++----
> drivers/s390/cio/scm.c | 2 +-
> drivers/s390/crypto/ap_bus.c | 4 ++--
> drivers/scsi/scsi_sysfs.c | 4 ++--
> drivers/slimbus/core.c | 4 ++--
> drivers/soc/qcom/apr.c | 4 ++--
> drivers/spi/spi.c | 2 +-
> drivers/spmi/spmi.c | 2 +-
> drivers/ssb/main.c | 4 ++--
> drivers/staging/greybus/gbphy.c | 14 +++++++-------
> drivers/tee/tee_core.c | 2 +-
> drivers/usb/common/ulpi.c | 4 ++--
> drivers/usb/core/driver.c | 6 +++---
> drivers/usb/typec/bus.c | 4 ++--
> drivers/virtio/virtio.c | 4 ++--
> drivers/w1/w1.c | 10 +++++-----
> drivers/xen/pvcalls-back.c | 2 +-
> drivers/xen/xenbus/xenbus_probe_backend.c | 8 ++++----
> drivers/xen/xenbus/xenbus_probe_frontend.c | 4 ++--
> drivers/zorro/zorro-driver.c | 4 ++--
> include/linux/device/bus.h | 2 +-
> include/linux/spi/spi.h | 2 +-
> include/linux/ssb/ssb.h | 2 +-
> include/sound/hdaudio.h | 2 +-
> include/xen/xenbus.h | 2 +-
> sound/aoa/soundbus/core.c | 6 +++---
> sound/hda/hda_bus_type.c | 2 +-
> sound/hda/hdac_device.c | 2 +-
> 81 files changed, 160 insertions(+), 160 deletions(-)
>
> diff --git a/arch/mips/sgi-ip22/ip22-gio.c b/arch/mips/sgi-ip22/ip22-gio.c
> index 8686e8c1c4e5..81c9f0a8880b 100644
> --- a/arch/mips/sgi-ip22/ip22-gio.c
> +++ b/arch/mips/sgi-ip22/ip22-gio.c
> @@ -199,9 +199,9 @@ static struct attribute *gio_dev_attrs[] = {
> };
> ATTRIBUTE_GROUPS(gio_dev);
>
> -static int gio_device_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int gio_device_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct gio_device *gio_dev = to_gio_device(dev);
> + const struct gio_device *gio_dev = to_gio_device(dev);
>
> add_uevent_var(env, "MODALIAS=gio:%x", gio_dev->id.id);
> return 0;
> diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
> index e7ee0c0c91d3..28f47285d448 100644
> --- a/arch/parisc/kernel/drivers.c
> +++ b/arch/parisc/kernel/drivers.c
> @@ -552,7 +552,7 @@ static int parisc_generic_match(struct device *dev, struct device_driver *drv)
> return match_device(to_parisc_driver(drv), to_parisc_device(dev));
> }
>
> -static ssize_t make_modalias(struct device *dev, char *buf)
> +static ssize_t make_modalias(const struct device *dev, char *buf)
> {
> const struct parisc_device *padev = to_parisc_device(dev);
> const struct parisc_device_id *id = &padev->id;
> @@ -562,7 +562,7 @@ static ssize_t make_modalias(struct device *dev, char *buf)
> (u32)id->sversion);
> }
>
> -static int parisc_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int parisc_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> const struct parisc_device *padev;
> char modalias[40];
> diff --git a/arch/powerpc/platforms/pseries/vio.c b/arch/powerpc/platforms/pseries/vio.c
> index 00ecac2c205b..770df9351aaa 100644
> --- a/arch/powerpc/platforms/pseries/vio.c
> +++ b/arch/powerpc/platforms/pseries/vio.c
> @@ -1609,10 +1609,10 @@ static int vio_bus_match(struct device *dev, struct device_driver *drv)
> return (ids != NULL) && (vio_match_device(ids, vio_dev) != NULL);
> }
>
> -static int vio_hotplug(struct device *dev, struct kobj_uevent_env *env)
> +static int vio_hotplug(const struct device *dev, struct kobj_uevent_env *env)
> {
> const struct vio_dev *vio_dev = to_vio_dev(dev);
> - struct device_node *dn;
> + const struct device_node *dn;
> const char *cp;
>
> dn = dev->of_node;
> diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
> index 01122a208f94..b78df3a15a72 100644
> --- a/arch/sparc/kernel/vio.c
> +++ b/arch/sparc/kernel/vio.c
> @@ -46,7 +46,7 @@ static const struct vio_device_id *vio_match_device(
> return NULL;
> }
>
> -static int vio_hotplug(struct device *dev, struct kobj_uevent_env *env)
> +static int vio_hotplug(const struct device *dev, struct kobj_uevent_env *env)
> {
> const struct vio_dev *vio_dev = to_vio_dev(dev);
>
> diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
> index 0c05ccde1f7a..9531dd0fef50 100644
> --- a/drivers/acpi/bus.c
> +++ b/drivers/acpi/bus.c
> @@ -1014,7 +1014,7 @@ static int acpi_bus_match(struct device *dev, struct device_driver *drv)
> && !acpi_match_device_ids(acpi_dev, acpi_drv->ids);
> }
>
> -static int acpi_device_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int acpi_device_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> return __acpi_device_uevent_modalias(to_acpi_device(dev), env);
> }
> diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
> index ff7454a38058..ce88af9eb562 100644
> --- a/drivers/amba/bus.c
> +++ b/drivers/amba/bus.c
> @@ -235,9 +235,9 @@ static int amba_match(struct device *dev, struct device_driver *drv)
> return amba_lookup(pcdrv->id_table, pcdev) != NULL;
> }
>
> -static int amba_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int amba_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct amba_device *pcdev = to_amba_device(dev);
> + const struct amba_device *pcdev = to_amba_device(dev);
> int retval = 0;
>
> retval = add_uevent_var(env, "AMBA_ID=%08x", pcdev->periphid);
> diff --git a/drivers/base/auxiliary.c b/drivers/base/auxiliary.c
> index 8c5e65930617..4d4c2c8d26c4 100644
> --- a/drivers/base/auxiliary.c
> +++ b/drivers/base/auxiliary.c
> @@ -185,7 +185,7 @@ static int auxiliary_match(struct device *dev, struct device_driver *drv)
> return !!auxiliary_match_id(auxdrv->id_table, auxdev);
> }
>
> -static int auxiliary_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int auxiliary_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> const char *name, *p;
>
> diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
> index 4c98849577d4..441eb5bdec7d 100644
> --- a/drivers/base/cpu.c
> +++ b/drivers/base/cpu.c
> @@ -336,7 +336,7 @@ static ssize_t print_cpu_modalias(struct device *dev,
> return len;
> }
>
> -static int cpu_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int cpu_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> char *buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
> if (buf) {
> diff --git a/drivers/base/platform.c b/drivers/base/platform.c
> index 968f3d71eeab..d7605e048bd2 100644
> --- a/drivers/base/platform.c
> +++ b/drivers/base/platform.c
> @@ -1353,9 +1353,9 @@ static int platform_match(struct device *dev, struct device_driver *drv)
> return (strcmp(pdev->name, drv->name) == 0);
> }
>
> -static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int platform_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct platform_device *pdev = to_platform_device(dev);
> + const struct platform_device *pdev = to_platform_device(dev);
> int rc;
>
> /* Some devices have extra OF data and an OF-style MODALIAS */
> diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
> index 0a8469e0b13a..7b39f010bbb3 100644
> --- a/drivers/bcma/main.c
> +++ b/drivers/bcma/main.c
> @@ -28,7 +28,7 @@ static DEFINE_MUTEX(bcma_buses_mutex);
> static int bcma_bus_match(struct device *dev, struct device_driver *drv);
> static int bcma_device_probe(struct device *dev);
> static void bcma_device_remove(struct device *dev);
> -static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env);
> +static int bcma_device_uevent(const struct device *dev, struct kobj_uevent_env *env);
>
> static ssize_t manuf_show(struct device *dev, struct device_attribute *attr, char *buf)
> {
> @@ -627,9 +627,9 @@ static void bcma_device_remove(struct device *dev)
> put_device(dev);
> }
>
> -static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int bcma_device_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct bcma_device *core = container_of(dev, struct bcma_device, dev);
> + const struct bcma_device *core = container_of_const(dev, struct bcma_device, dev);
>
> return add_uevent_var(env,
> "MODALIAS=bcma:m%04Xid%04Xrev%02Xcl%02X",
> diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
> index 774f307844b4..36cb091a33b4 100644
> --- a/drivers/bus/fsl-mc/fsl-mc-bus.c
> +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
> @@ -124,9 +124,9 @@ static int fsl_mc_bus_match(struct device *dev, struct device_driver *drv)
> /*
> * fsl_mc_bus_uevent - callback invoked when a device is added
> */
> -static int fsl_mc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int fsl_mc_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev);
> + const struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev);
>
> if (add_uevent_var(env, "MODALIAS=fsl-mc:v%08Xd%s",
> mc_dev->obj_desc.vendor,
> diff --git a/drivers/bus/mhi/ep/main.c b/drivers/bus/mhi/ep/main.c
> index 1dc8a3557a46..4819369faa8b 100644
> --- a/drivers/bus/mhi/ep/main.c
> +++ b/drivers/bus/mhi/ep/main.c
> @@ -1543,9 +1543,9 @@ void mhi_ep_driver_unregister(struct mhi_ep_driver *mhi_drv)
> }
> EXPORT_SYMBOL_GPL(mhi_ep_driver_unregister);
>
> -static int mhi_ep_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int mhi_ep_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct mhi_ep_device *mhi_dev = to_mhi_ep_device(dev);
> + const struct mhi_ep_device *mhi_dev = to_mhi_ep_device(dev);
>
> return add_uevent_var(env, "MODALIAS=" MHI_EP_DEVICE_MODALIAS_FMT,
> mhi_dev->name);
> diff --git a/drivers/bus/mhi/host/init.c b/drivers/bus/mhi/host/init.c
> index bf672de35131..770fc81b7e96 100644
> --- a/drivers/bus/mhi/host/init.c
> +++ b/drivers/bus/mhi/host/init.c
> @@ -1395,9 +1395,9 @@ void mhi_driver_unregister(struct mhi_driver *mhi_drv)
> }
> EXPORT_SYMBOL_GPL(mhi_driver_unregister);
>
> -static int mhi_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int mhi_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct mhi_device *mhi_dev = to_mhi_device(dev);
> + const struct mhi_device *mhi_dev = to_mhi_device(dev);
>
> return add_uevent_var(env, "MODALIAS=" MHI_DEVICE_MODALIAS_FMT,
> mhi_dev->name);
> diff --git a/drivers/bus/mips_cdmm.c b/drivers/bus/mips_cdmm.c
> index fca0d0669aa9..554e1992edd4 100644
> --- a/drivers/bus/mips_cdmm.c
> +++ b/drivers/bus/mips_cdmm.c
> @@ -67,9 +67,9 @@ static int mips_cdmm_match(struct device *dev, struct device_driver *drv)
> return mips_cdmm_lookup(cdrv->id_table, cdev) != NULL;
> }
>
> -static int mips_cdmm_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int mips_cdmm_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct mips_cdmm_device *cdev = to_mips_cdmm_device(dev);
> + const struct mips_cdmm_device *cdev = to_mips_cdmm_device(dev);
> int retval = 0;
>
> retval = add_uevent_var(env, "CDMM_CPU=%u", cdev->cpu);
> diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
> index a180af11e034..9aa99c369e48 100644
> --- a/drivers/bus/sunxi-rsb.c
> +++ b/drivers/bus/sunxi-rsb.c
> @@ -172,7 +172,7 @@ static void sunxi_rsb_device_remove(struct device *dev)
> drv->remove(to_sunxi_rsb_device(dev));
> }
>
> -static int sunxi_rsb_device_modalias(struct device *dev, struct kobj_uevent_env *env)
> +static int sunxi_rsb_device_modalias(const struct device *dev, struct kobj_uevent_env *env)
> {
> return of_device_uevent_modalias(dev, env);
> }
> diff --git a/drivers/cxl/core/memdev.c b/drivers/cxl/core/memdev.c
> index a38a0cc20d47..b75dd77df7ce 100644
> --- a/drivers/cxl/core/memdev.c
> +++ b/drivers/cxl/core/memdev.c
> @@ -162,7 +162,7 @@ static const struct device_type cxl_memdev_type = {
> .groups = cxl_memdev_attribute_groups,
> };
>
> -bool is_cxl_memdev(struct device *dev)
> +bool is_cxl_memdev(const struct device *dev)
> {
> return dev->type == &cxl_memdev_type;
> }
> diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
> index b631a0520456..3f02dc135a12 100644
> --- a/drivers/cxl/core/port.c
> +++ b/drivers/cxl/core/port.c
> @@ -38,7 +38,7 @@ static ssize_t devtype_show(struct device *dev, struct device_attribute *attr,
> }
> static DEVICE_ATTR_RO(devtype);
>
> -static int cxl_device_id(struct device *dev)
> +static int cxl_device_id(const struct device *dev)
> {
> if (dev->type == &cxl_nvdimm_bridge_type)
> return CXL_DEVICE_NVDIMM_BRIDGE;
> @@ -523,13 +523,13 @@ static const struct device_type cxl_port_type = {
> .groups = cxl_port_attribute_groups,
> };
>
> -bool is_cxl_port(struct device *dev)
> +bool is_cxl_port(const struct device *dev)
> {
> return dev->type == &cxl_port_type;
> }
> EXPORT_SYMBOL_NS_GPL(is_cxl_port, CXL);
>
> -struct cxl_port *to_cxl_port(struct device *dev)
> +struct cxl_port *to_cxl_port(const struct device *dev)
> {
> if (dev_WARN_ONCE(dev, dev->type != &cxl_port_type,
> "not a cxl_port device\n"))
> @@ -1826,7 +1826,7 @@ void cxl_driver_unregister(struct cxl_driver *cxl_drv)
> }
> EXPORT_SYMBOL_NS_GPL(cxl_driver_unregister, CXL);
>
> -static int cxl_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int cxl_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> return add_uevent_var(env, "MODALIAS=" CXL_MODALIAS_FMT,
> cxl_device_id(dev));
> diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
> index 1b1cf459ac77..c9e1b48a1a53 100644
> --- a/drivers/cxl/cxl.h
> +++ b/drivers/cxl/cxl.h
> @@ -588,8 +588,8 @@ static inline bool is_cxl_root(struct cxl_port *port)
> return port->uport == port->dev.parent;
> }
>
> -bool is_cxl_port(struct device *dev);
> -struct cxl_port *to_cxl_port(struct device *dev);
> +bool is_cxl_port(const struct device *dev);
> +struct cxl_port *to_cxl_port(const struct device *dev);
> struct pci_bus;
> int devm_cxl_register_pci_bus(struct device *host, struct device *uport,
> struct pci_bus *bus);
> diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h
> index ab138004f644..6749f2afb1b7 100644
> --- a/drivers/cxl/cxlmem.h
> +++ b/drivers/cxl/cxlmem.h
> @@ -72,7 +72,7 @@ cxled_to_memdev(struct cxl_endpoint_decoder *cxled)
> return to_cxl_memdev(port->uport);
> }
>
> -bool is_cxl_memdev(struct device *dev);
> +bool is_cxl_memdev(const struct device *dev);
> static inline bool is_cxl_endpoint(struct cxl_port *port)
> {
> return is_cxl_memdev(port->uport);
> diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
> index 1dad813ee4a6..e3a384182fe7 100644
> --- a/drivers/dax/bus.c
> +++ b/drivers/dax/bus.c
> @@ -18,7 +18,7 @@ struct dax_id {
> char dev_name[DAX_NAME_LEN];
> };
>
> -static int dax_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int dax_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> /*
> * We only ever expect to handle device-dax instances, i.e. the
> diff --git a/drivers/eisa/eisa-bus.c b/drivers/eisa/eisa-bus.c
> index 65bffde137e3..713582cc27d1 100644
> --- a/drivers/eisa/eisa-bus.c
> +++ b/drivers/eisa/eisa-bus.c
> @@ -127,9 +127,9 @@ static int eisa_bus_match(struct device *dev, struct device_driver *drv)
> return 0;
> }
>
> -static int eisa_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int eisa_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct eisa_device *edev = to_eisa_device(dev);
> + const struct eisa_device *edev = to_eisa_device(dev);
>
> add_uevent_var(env, "MODALIAS=" EISA_DEVICE_MODALIAS_FMT, edev->id.sig);
> return 0;
> diff --git a/drivers/firmware/arm_ffa/bus.c b/drivers/firmware/arm_ffa/bus.c
> index 99d439480612..f29d77ecf72d 100644
> --- a/drivers/firmware/arm_ffa/bus.c
> +++ b/drivers/firmware/arm_ffa/bus.c
> @@ -56,9 +56,9 @@ static void ffa_device_remove(struct device *dev)
> ffa_drv->remove(to_ffa_dev(dev));
> }
>
> -static int ffa_device_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int ffa_device_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct ffa_device *ffa_dev = to_ffa_dev(dev);
> + const struct ffa_device *ffa_dev = to_ffa_dev(dev);
>
> return add_uevent_var(env, "MODALIAS=arm_ffa:%04x:%pUb",
> ffa_dev->vm_id, &ffa_dev->uuid);
> diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
> index b9aae85ba930..4d32c98c82fc 100644
> --- a/drivers/fpga/dfl.c
> +++ b/drivers/fpga/dfl.c
> @@ -293,9 +293,9 @@ static void dfl_bus_remove(struct device *dev)
> ddrv->remove(ddev);
> }
>
> -static int dfl_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int dfl_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct dfl_device *ddev = to_dfl_dev(dev);
> + const struct dfl_device *ddev = to_dfl_dev(dev);
>
> return add_uevent_var(env, "MODALIAS=dfl:t%04Xf%04X",
> ddev->type, ddev->feature_id);
> diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
> index 497ef4b6a90a..36c24c2b0899 100644
> --- a/drivers/gpu/drm/drm_mipi_dsi.c
> +++ b/drivers/gpu/drm/drm_mipi_dsi.c
> @@ -62,9 +62,9 @@ static int mipi_dsi_device_match(struct device *dev, struct device_driver *drv)
> return 0;
> }
>
> -static int mipi_dsi_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int mipi_dsi_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
> + const struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
> int err;
>
> err = of_device_uevent_modalias(dev, env);
> diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c
> index bdee16a0bb8e..bc7271a00a94 100644
> --- a/drivers/gpu/host1x/bus.c
> +++ b/drivers/gpu/host1x/bus.c
> @@ -338,7 +338,7 @@ static int host1x_device_match(struct device *dev, struct device_driver *drv)
> return strcmp(dev_name(dev), drv->name) == 0;
> }
>
> -static int host1x_device_uevent(struct device *dev,
> +static int host1x_device_uevent(const struct device *dev,
> struct kobj_uevent_env *env)
> {
> struct device_node *np = dev->parent->of_node;
> diff --git a/drivers/greybus/core.c b/drivers/greybus/core.c
> index e546c6431877..5714be740470 100644
> --- a/drivers/greybus/core.c
> +++ b/drivers/greybus/core.c
> @@ -78,14 +78,14 @@ static int greybus_match_device(struct device *dev, struct device_driver *drv)
> return 0;
> }
>
> -static int greybus_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int greybus_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct gb_host_device *hd;
> - struct gb_module *module = NULL;
> - struct gb_interface *intf = NULL;
> - struct gb_control *control = NULL;
> - struct gb_bundle *bundle = NULL;
> - struct gb_svc *svc = NULL;
> + const struct gb_host_device *hd;
> + const struct gb_module *module = NULL;
> + const struct gb_interface *intf = NULL;
> + const struct gb_control *control = NULL;
> + const struct gb_bundle *bundle = NULL;
> + const struct gb_svc *svc = NULL;
>
> if (is_gb_host_device(dev)) {
> hd = to_gb_host_device(dev);
> diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
> index bd47628da6be..298a5ca349b1 100644
> --- a/drivers/hid/hid-core.c
> +++ b/drivers/hid/hid-core.c
> @@ -2664,9 +2664,9 @@ static const struct attribute_group hid_dev_group = {
> };
> __ATTRIBUTE_GROUPS(hid_dev);
>
> -static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int hid_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct hid_device *hdev = to_hid_device(dev);
> + const struct hid_device *hdev = to_hid_device(dev);
>
> if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
> hdev->bus, hdev->vendor, hdev->product))
> diff --git a/drivers/hid/intel-ish-hid/ishtp/bus.c b/drivers/hid/intel-ish-hid/ishtp/bus.c
> index f68aba8794fe..81385ab37fa9 100644
> --- a/drivers/hid/intel-ish-hid/ishtp/bus.c
> +++ b/drivers/hid/intel-ish-hid/ishtp/bus.c
> @@ -361,7 +361,7 @@ static struct attribute *ishtp_cl_dev_attrs[] = {
> };
> ATTRIBUTE_GROUPS(ishtp_cl_dev);
>
> -static int ishtp_cl_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int ishtp_cl_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> if (add_uevent_var(env, "MODALIAS=" ISHTP_MODULE_PREFIX "%s", dev_name(dev)))
> return -ENOMEM;
> diff --git a/drivers/hsi/hsi_core.c b/drivers/hsi/hsi_core.c
> index 884066109699..8fda8f1d064d 100644
> --- a/drivers/hsi/hsi_core.c
> +++ b/drivers/hsi/hsi_core.c
> @@ -30,7 +30,7 @@ static struct attribute *hsi_bus_dev_attrs[] = {
> };
> ATTRIBUTE_GROUPS(hsi_bus_dev);
>
> -static int hsi_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int hsi_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> add_uevent_var(env, "MODALIAS=hsi:%s", dev_name(dev));
>
> diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
> index 3146710d4ac6..f50aaa189df6 100644
> --- a/drivers/hv/vmbus_drv.c
> +++ b/drivers/hv/vmbus_drv.c
> @@ -711,9 +711,9 @@ __ATTRIBUTE_GROUPS(vmbus_bus);
> * representation of the device guid (each byte of the guid will be
> * represented with two hex characters.
> */
> -static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env)
> +static int vmbus_uevent(const struct device *device, struct kobj_uevent_env *env)
> {
> - struct hv_device *dev = device_to_hv_device(device);
> + const struct hv_device *dev = device_to_hv_device(device);
> const char *format = "MODALIAS=vmbus:%*phN";
>
> return add_uevent_var(env, format, UUID_SIZE, &dev->dev_type);
> diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
> index 15ce3202322f..767fc9efb4a8 100644
> --- a/drivers/input/serio/serio.c
> +++ b/drivers/input/serio/serio.c
> @@ -895,9 +895,9 @@ static int serio_bus_match(struct device *dev, struct device_driver *drv)
> return err; \
> } while (0)
>
> -static int serio_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int serio_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct serio *serio;
> + const struct serio *serio;
>
> if (!dev)
> return -ENODEV;
> diff --git a/drivers/ipack/ipack.c b/drivers/ipack/ipack.c
> index 74d449858a61..cc1ecfd49928 100644
> --- a/drivers/ipack/ipack.c
> +++ b/drivers/ipack/ipack.c
> @@ -76,9 +76,9 @@ static void ipack_bus_remove(struct device *device)
> drv->ops->remove(dev);
> }
>
> -static int ipack_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int ipack_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct ipack_device *idev;
> + const struct ipack_device *idev;
>
> if (!dev)
> return -ENODEV;
> diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
> index 7f2b0107c733..211ed9aa9edc 100644
> --- a/drivers/macintosh/macio_asic.c
> +++ b/drivers/macintosh/macio_asic.c
> @@ -128,7 +128,7 @@ static int macio_device_resume(struct device * dev)
> return 0;
> }
>
> -static int macio_device_modalias(struct device *dev, struct kobj_uevent_env *env)
> +static int macio_device_modalias(const struct device *dev, struct kobj_uevent_env *env)
> {
> return of_device_uevent_modalias(dev, env);
> }
> diff --git a/drivers/mcb/mcb-core.c b/drivers/mcb/mcb-core.c
> index b8ad4f16b4ac..978fdfc19a06 100644
> --- a/drivers/mcb/mcb-core.c
> +++ b/drivers/mcb/mcb-core.c
> @@ -41,9 +41,9 @@ static int mcb_match(struct device *dev, struct device_driver *drv)
> return 0;
> }
>
> -static int mcb_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int mcb_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct mcb_device *mdev = to_mcb_device(dev);
> + const struct mcb_device *mdev = to_mcb_device(dev);
> int ret;
>
> ret = add_uevent_var(env, "MODALIAS=mcb:16z%03d", mdev->id);
> diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c
> index 660df7d269fa..bf7667845459 100644
> --- a/drivers/memstick/core/memstick.c
> +++ b/drivers/memstick/core/memstick.c
> @@ -57,10 +57,10 @@ static int memstick_bus_match(struct device *dev, struct device_driver *drv)
> return 0;
> }
>
> -static int memstick_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int memstick_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct memstick_dev *card = container_of(dev, struct memstick_dev,
> - dev);
> + const struct memstick_dev *card = container_of_const(dev, struct memstick_dev,
> + dev);
>
> if (add_uevent_var(env, "MEMSTICK_TYPE=%02X", card->id.type))
> return -ENOMEM;
> diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
> index 4a08b624910a..096eee478e2e 100644
> --- a/drivers/misc/mei/bus.c
> +++ b/drivers/misc/mei/bus.c
> @@ -1222,9 +1222,9 @@ ATTRIBUTE_GROUPS(mei_cldev);
> *
> * Return: 0 on success -ENOMEM on when add_uevent_var fails
> */
> -static int mei_cl_device_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int mei_cl_device_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct mei_cl_device *cldev = to_mei_cl_device(dev);
> + const struct mei_cl_device *cldev = to_mei_cl_device(dev);
> const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);
> u8 version = mei_me_cl_ver(cldev->me_cl);
>
> diff --git a/drivers/misc/tifm_core.c b/drivers/misc/tifm_core.c
> index a3098fea3bf7..eee9b6581604 100644
> --- a/drivers/misc/tifm_core.c
> +++ b/drivers/misc/tifm_core.c
> @@ -55,9 +55,9 @@ static int tifm_bus_match(struct device *dev, struct device_driver *drv)
> return 0;
> }
>
> -static int tifm_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int tifm_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct tifm_dev *sock = container_of(dev, struct tifm_dev, dev);
> + const struct tifm_dev *sock = container_of_const(dev, struct tifm_dev, dev);
>
> if (add_uevent_var(env, "TIFM_CARD_TYPE=%s", tifm_media_type_name(sock->type, 1)))
> return -ENOMEM;
> diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
> index 36679f4e9acc..2c3074a605fc 100644
> --- a/drivers/mmc/core/bus.c
> +++ b/drivers/mmc/core/bus.c
> @@ -55,9 +55,9 @@ static struct attribute *mmc_dev_attrs[] = {
> ATTRIBUTE_GROUPS(mmc_dev);
>
> static int
> -mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
> +mmc_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct mmc_card *card = mmc_dev_to_card(dev);
> + const struct mmc_card *card = mmc_dev_to_card(dev);
> const char *type;
> unsigned int i;
> int retval = 0;
> diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
> index babf21a0adeb..5ec4e4ca52f0 100644
> --- a/drivers/mmc/core/sdio_bus.c
> +++ b/drivers/mmc/core/sdio_bus.c
> @@ -120,9 +120,9 @@ static int sdio_bus_match(struct device *dev, struct device_driver *drv)
> }
>
> static int
> -sdio_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
> +sdio_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct sdio_func *func = dev_to_sdio_func(dev);
> + const struct sdio_func *func = dev_to_sdio_func(dev);
> unsigned int i;
>
> if (add_uevent_var(env,
> diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
> index 1cd604cd1fa1..bca7012b03c1 100644
> --- a/drivers/net/phy/mdio_bus.c
> +++ b/drivers/net/phy/mdio_bus.c
> @@ -995,7 +995,7 @@ static int mdio_bus_match(struct device *dev, struct device_driver *drv)
> return 0;
> }
>
> -static int mdio_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int mdio_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> int rc;
>
> diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
> index c1ba4294f364..4638bb3664c4 100644
> --- a/drivers/net/xen-netback/xenbus.c
> +++ b/drivers/net/xen-netback/xenbus.c
> @@ -200,7 +200,7 @@ static void xenvif_debugfs_delif(struct xenvif *vif)
> * and vif variables to the environment, for the benefit of the vif-* hotplug
> * scripts.
> */
> -static int netback_uevent(struct xenbus_device *xdev,
> +static int netback_uevent(const struct xenbus_device *xdev,
> struct kobj_uevent_env *env)
> {
> struct backend_info *be = dev_get_drvdata(&xdev->dev);
> diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
> index b38d0355b0ac..92ce92fc9932 100644
> --- a/drivers/nvdimm/bus.c
> +++ b/drivers/nvdimm/bus.c
> @@ -28,7 +28,7 @@ static int nvdimm_bus_major;
> struct class *nd_class;
> static DEFINE_IDA(nd_ida);
>
> -static int to_nd_device_type(struct device *dev)
> +static int to_nd_device_type(const struct device *dev)
> {
> if (is_nvdimm(dev))
> return ND_DEVICE_DIMM;
> @@ -42,7 +42,7 @@ static int to_nd_device_type(struct device *dev)
> return 0;
> }
>
> -static int nvdimm_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int nvdimm_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> return add_uevent_var(env, "MODALIAS=" ND_DEVICE_MODALIAS_FMT,
> to_nd_device_type(dev));
> diff --git a/drivers/nvdimm/dax_devs.c b/drivers/nvdimm/dax_devs.c
> index 7f4a9d28b670..3bd61f245788 100644
> --- a/drivers/nvdimm/dax_devs.c
> +++ b/drivers/nvdimm/dax_devs.c
> @@ -38,7 +38,7 @@ static const struct device_type nd_dax_device_type = {
> .groups = nd_pfn_attribute_groups,
> };
>
> -bool is_nd_dax(struct device *dev)
> +bool is_nd_dax(const struct device *dev)
> {
> return dev ? dev->type == &nd_dax_device_type : false;
> }
> diff --git a/drivers/nvdimm/dimm_devs.c b/drivers/nvdimm/dimm_devs.c
> index 1fc081dcf631..fb571666d33b 100644
> --- a/drivers/nvdimm/dimm_devs.c
> +++ b/drivers/nvdimm/dimm_devs.c
> @@ -572,7 +572,7 @@ static const struct device_type nvdimm_device_type = {
> .groups = nvdimm_attribute_groups,
> };
>
> -bool is_nvdimm(struct device *dev)
> +bool is_nvdimm(const struct device *dev)
> {
> return dev->type == &nvdimm_device_type;
> }
> diff --git a/drivers/nvdimm/nd-core.h b/drivers/nvdimm/nd-core.h
> index cc86ee09d7c0..ca2bbc57e755 100644
> --- a/drivers/nvdimm/nd-core.h
> +++ b/drivers/nvdimm/nd-core.h
> @@ -82,14 +82,14 @@ static inline void nvdimm_security_overwrite_query(struct work_struct *work)
> }
> #endif
>
> -bool is_nvdimm(struct device *dev);
> -bool is_nd_pmem(struct device *dev);
> -bool is_nd_volatile(struct device *dev);
> -static inline bool is_nd_region(struct device *dev)
> +bool is_nvdimm(const struct device *dev);
> +bool is_nd_pmem(const struct device *dev);
> +bool is_nd_volatile(const struct device *dev);
> +static inline bool is_nd_region(const struct device *dev)
> {
> return is_nd_pmem(dev) || is_nd_volatile(dev);
> }
> -static inline bool is_memory(struct device *dev)
> +static inline bool is_memory(const struct device *dev)
> {
> return is_nd_pmem(dev) || is_nd_volatile(dev);
> }
> diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h
> index 85ca5b4da3cf..cc166f99b005 100644
> --- a/drivers/nvdimm/nd.h
> +++ b/drivers/nvdimm/nd.h
> @@ -599,7 +599,7 @@ static inline int nd_pfn_validate(struct nd_pfn *nd_pfn, const char *sig)
> struct nd_dax *to_nd_dax(struct device *dev);
> #if IS_ENABLED(CONFIG_NVDIMM_DAX)
> int nd_dax_probe(struct device *dev, struct nd_namespace_common *ndns);
> -bool is_nd_dax(struct device *dev);
> +bool is_nd_dax(const struct device *dev);
> struct device *nd_dax_create(struct nd_region *nd_region);
> #else
> static inline int nd_dax_probe(struct device *dev,
> @@ -608,7 +608,7 @@ static inline int nd_dax_probe(struct device *dev,
> return -ENODEV;
> }
>
> -static inline bool is_nd_dax(struct device *dev)
> +static inline bool is_nd_dax(const struct device *dev)
> {
> return false;
> }
> diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c
> index 83dbf398ea84..8f134d63af13 100644
> --- a/drivers/nvdimm/region_devs.c
> +++ b/drivers/nvdimm/region_devs.c
> @@ -839,12 +839,12 @@ static const struct device_type nd_volatile_device_type = {
> .groups = nd_region_attribute_groups,
> };
>
> -bool is_nd_pmem(struct device *dev)
> +bool is_nd_pmem(const struct device *dev)
> {
> return dev ? dev->type == &nd_pmem_device_type : false;
> }
>
> -bool is_nd_volatile(struct device *dev)
> +bool is_nd_volatile(const struct device *dev)
> {
> return dev ? dev->type == &nd_volatile_device_type : false;
> }
> diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
> index a2ceeacc33eb..d934c27491c4 100644
> --- a/drivers/pci/pci-driver.c
> +++ b/drivers/pci/pci-driver.c
> @@ -1545,9 +1545,9 @@ void pci_dev_put(struct pci_dev *dev)
> }
> EXPORT_SYMBOL(pci_dev_put);
>
> -static int pci_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int pci_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct pci_dev *pdev;
> + const struct pci_dev *pdev;
>
> if (!dev)
> return -ENODEV;
> diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
> index ace133b9f7d4..c8087efa5e4a 100644
> --- a/drivers/pcmcia/ds.c
> +++ b/drivers/pcmcia/ds.c
> @@ -927,9 +927,9 @@ static int pcmcia_bus_match(struct device *dev, struct device_driver *drv)
> return 0;
> }
>
> -static int pcmcia_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int pcmcia_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct pcmcia_device *p_dev;
> + const struct pcmcia_device *p_dev;
> int i;
> u32 hash[4] = { 0, 0, 0, 0};
>
> diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
> index 46d1edc08f20..4fe7650dd014 100644
> --- a/drivers/platform/x86/wmi.c
> +++ b/drivers/platform/x86/wmi.c
> @@ -797,9 +797,9 @@ static struct attribute *wmi_method_attrs[] = {
> };
> ATTRIBUTE_GROUPS(wmi_method);
>
> -static int wmi_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int wmi_dev_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct wmi_block *wblock = dev_to_wblock(dev);
> + const struct wmi_block *wblock = dev_to_wblock(dev);
>
> if (add_uevent_var(env, "MODALIAS=wmi:%pUL", &wblock->gblock.guid))
> return -ENOMEM;
> diff --git a/drivers/rapidio/rio-driver.c b/drivers/rapidio/rio-driver.c
> index a72bb0a40fcf..e60e49769bed 100644
> --- a/drivers/rapidio/rio-driver.c
> +++ b/drivers/rapidio/rio-driver.c
> @@ -204,9 +204,9 @@ static int rio_match_bus(struct device *dev, struct device_driver *drv)
> out:return 0;
> }
>
> -static int rio_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int rio_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct rio_dev *rdev;
> + const struct rio_dev *rdev;
>
> if (!dev)
> return -ENODEV;
> diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
> index d6dde00efdae..a2207c0cf432 100644
> --- a/drivers/rpmsg/rpmsg_core.c
> +++ b/drivers/rpmsg/rpmsg_core.c
> @@ -492,9 +492,9 @@ static int rpmsg_dev_match(struct device *dev, struct device_driver *drv)
> return of_driver_match_device(dev, drv);
> }
>
> -static int rpmsg_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int rpmsg_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct rpmsg_device *rpdev = to_rpmsg_device(dev);
> + const struct rpmsg_device *rpdev = to_rpmsg_device(dev);
> int ret;
>
> ret = of_device_uevent_modalias(dev, env);
> diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
> index c7db95398500..0723921902da 100644
> --- a/drivers/s390/cio/css.c
> +++ b/drivers/s390/cio/css.c
> @@ -1402,9 +1402,9 @@ static void css_shutdown(struct device *dev)
> sch->driver->shutdown(sch);
> }
>
> -static int css_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int css_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct subchannel *sch = to_subchannel(dev);
> + const struct subchannel *sch = to_subchannel(dev);
> int ret;
>
> ret = add_uevent_var(env, "ST=%01X", sch->st);
> diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
> index 9e0cf44ff9d4..b07ffd9ff117 100644
> --- a/drivers/s390/cio/device.c
> +++ b/drivers/s390/cio/device.c
> @@ -80,7 +80,7 @@ ccw_bus_match (struct device * dev, struct device_driver * drv)
> * specified size. Return length of resulting string (excluding trailing '\0')
> * even if string doesn't fit buffer (snprintf semantics). */
> static int snprint_alias(char *buf, size_t size,
> - struct ccw_device_id *id, const char *suffix)
> + const struct ccw_device_id *id, const char *suffix)
> {
> int len;
>
> @@ -101,10 +101,10 @@ static int snprint_alias(char *buf, size_t size,
>
> /* Set up environment variables for ccw device uevent. Return 0 on success,
> * non-zero otherwise. */
> -static int ccw_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int ccw_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct ccw_device *cdev = to_ccwdev(dev);
> - struct ccw_device_id *id = &(cdev->id);
> + const struct ccw_device *cdev = to_ccwdev(dev);
> + const struct ccw_device_id *id = &(cdev->id);
> int ret;
> char modalias_buf[30];
>
> diff --git a/drivers/s390/cio/scm.c b/drivers/s390/cio/scm.c
> index b6b4589c70bd..6b21ba68c1fe 100644
> --- a/drivers/s390/cio/scm.c
> +++ b/drivers/s390/cio/scm.c
> @@ -37,7 +37,7 @@ static void scmdev_remove(struct device *dev)
> scmdrv->remove(scmdev);
> }
>
> -static int scmdev_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int scmdev_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> return add_uevent_var(env, "MODALIAS=scm:scmdev");
> }
> diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
> index b02c631f3b71..f4cc1720156f 100644
> --- a/drivers/s390/crypto/ap_bus.c
> +++ b/drivers/s390/crypto/ap_bus.c
> @@ -613,10 +613,10 @@ static int ap_bus_match(struct device *dev, struct device_driver *drv)
> * It sets up a single environment variable DEV_TYPE which contains the
> * hardware device type.
> */
> -static int ap_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int ap_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> int rc = 0;
> - struct ap_device *ap_dev = to_ap_dev(dev);
> + const struct ap_device *ap_dev = to_ap_dev(dev);
>
> /* Uevents from ap bus core don't need extensions to the env */
> if (dev == ap_root_device)
> diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
> index 981d1bab2120..a0dd711eb408 100644
> --- a/drivers/scsi/scsi_sysfs.c
> +++ b/drivers/scsi/scsi_sysfs.c
> @@ -534,9 +534,9 @@ static int scsi_bus_match(struct device *dev, struct device_driver *gendrv)
> return (sdp->inq_periph_qual == SCSI_INQ_PQ_CON)? 1: 0;
> }
>
> -static int scsi_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int scsi_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct scsi_device *sdev;
> + const struct scsi_device *sdev;
>
> if (dev->type != &scsi_dev_type)
> return 0;
> diff --git a/drivers/slimbus/core.c b/drivers/slimbus/core.c
> index 219483b79c09..d43873bb5fe6 100644
> --- a/drivers/slimbus/core.c
> +++ b/drivers/slimbus/core.c
> @@ -93,9 +93,9 @@ static void slim_device_remove(struct device *dev)
> }
> }
>
> -static int slim_device_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int slim_device_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct slim_device *sbdev = to_slim_device(dev);
> + const struct slim_device *sbdev = to_slim_device(dev);
>
> return add_uevent_var(env, "MODALIAS=slim:%s", dev_name(&sbdev->dev));
> }
> diff --git a/drivers/soc/qcom/apr.c b/drivers/soc/qcom/apr.c
> index cd44f17dad3d..d0f5cb2dd0ef 100644
> --- a/drivers/soc/qcom/apr.c
> +++ b/drivers/soc/qcom/apr.c
> @@ -387,9 +387,9 @@ static void apr_device_remove(struct device *dev)
> spin_unlock(&apr->svcs_lock);
> }
>
> -static int apr_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int apr_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct apr_device *adev = to_apr_device(dev);
> + const struct apr_device *adev = to_apr_device(dev);
> int ret;
>
> ret = of_device_uevent_modalias(dev, env);
> diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
> index 3cc7bb4d03de..9d5cec65cec8 100644
> --- a/drivers/spi/spi.c
> +++ b/drivers/spi/spi.c
> @@ -395,7 +395,7 @@ static int spi_match_device(struct device *dev, struct device_driver *drv)
> return strcmp(spi->modalias, drv->name) == 0;
> }
>
> -static int spi_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int spi_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> const struct spi_device *spi = to_spi_device(dev);
> int rc;
> diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c
> index 55381592bb5a..73551531ed43 100644
> --- a/drivers/spmi/spmi.c
> +++ b/drivers/spmi/spmi.c
> @@ -366,7 +366,7 @@ static void spmi_drv_shutdown(struct device *dev)
> sdrv->shutdown(to_spmi_device(dev));
> }
>
> -static int spmi_drv_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int spmi_drv_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> int ret;
>
> diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
> index 8a93c83cb6f8..ab080cf26c9f 100644
> --- a/drivers/ssb/main.c
> +++ b/drivers/ssb/main.c
> @@ -339,9 +339,9 @@ static int ssb_bus_match(struct device *dev, struct device_driver *drv)
> return 0;
> }
>
> -static int ssb_device_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int ssb_device_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
> + const struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
>
> if (!dev)
> return -ENODEV;
> diff --git a/drivers/staging/greybus/gbphy.c b/drivers/staging/greybus/gbphy.c
> index 5a5c17a4519b..6a7d8cf2a1eb 100644
> --- a/drivers/staging/greybus/gbphy.c
> +++ b/drivers/staging/greybus/gbphy.c
> @@ -71,14 +71,14 @@ static const struct device_type greybus_gbphy_dev_type = {
> .pm = &gb_gbphy_pm_ops,
> };
>
> -static int gbphy_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int gbphy_dev_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct gbphy_device *gbphy_dev = to_gbphy_dev(dev);
> - struct greybus_descriptor_cport *cport_desc = gbphy_dev->cport_desc;
> - struct gb_bundle *bundle = gbphy_dev->bundle;
> - struct gb_interface *intf = bundle->intf;
> - struct gb_module *module = intf->module;
> - struct gb_host_device *hd = intf->hd;
> + const struct gbphy_device *gbphy_dev = to_gbphy_dev(dev);
> + const struct greybus_descriptor_cport *cport_desc = gbphy_dev->cport_desc;
> + const struct gb_bundle *bundle = gbphy_dev->bundle;
> + const struct gb_interface *intf = bundle->intf;
> + const struct gb_module *module = intf->module;
> + const struct gb_host_device *hd = intf->hd;
>
> if (add_uevent_var(env, "BUS=%u", hd->bus_id))
> return -ENOMEM;
> diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c
> index 98da206cd761..452cbb8ad484 100644
> --- a/drivers/tee/tee_core.c
> +++ b/drivers/tee/tee_core.c
> @@ -1207,7 +1207,7 @@ static int tee_client_device_match(struct device *dev,
> return 0;
> }
>
> -static int tee_client_device_uevent(struct device *dev,
> +static int tee_client_device_uevent(const struct device *dev,
> struct kobj_uevent_env *env)
> {
> uuid_t *dev_id = &to_tee_client_device(dev)->id.uuid;
> diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c
> index d7c8461976ce..67b780b256a9 100644
> --- a/drivers/usb/common/ulpi.c
> +++ b/drivers/usb/common/ulpi.c
> @@ -55,9 +55,9 @@ static int ulpi_match(struct device *dev, struct device_driver *driver)
> return 0;
> }
>
> -static int ulpi_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int ulpi_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct ulpi *ulpi = to_ulpi_dev(dev);
> + const struct ulpi *ulpi = to_ulpi_dev(dev);
> int ret;
>
> ret = of_device_uevent_modalias(dev, env);
> diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
> index 7e7e119c253f..a0e076c6f3a4 100644
> --- a/drivers/usb/core/driver.c
> +++ b/drivers/usb/core/driver.c
> @@ -899,14 +899,14 @@ static int usb_device_match(struct device *dev, struct device_driver *drv)
> return 0;
> }
>
> -static int usb_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int usb_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct usb_device *usb_dev;
> + const struct usb_device *usb_dev;
>
> if (is_usb_device(dev)) {
> usb_dev = to_usb_device(dev);
> } else if (is_usb_interface(dev)) {
> - struct usb_interface *intf = to_usb_interface(dev);
> + const struct usb_interface *intf = to_usb_interface(dev);
>
> usb_dev = interface_to_usbdev(intf);
> } else {
> diff --git a/drivers/usb/typec/bus.c b/drivers/usb/typec/bus.c
> index 31c2a3130cad..dbcb96151558 100644
> --- a/drivers/usb/typec/bus.c
> +++ b/drivers/usb/typec/bus.c
> @@ -321,9 +321,9 @@ static int typec_match(struct device *dev, struct device_driver *driver)
> return 0;
> }
>
> -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)
> {
> - struct typec_altmode *altmode = to_typec_altmode(dev);
> + const struct typec_altmode *altmode = to_typec_altmode(dev);
>
> if (add_uevent_var(env, "SVID=%04X", altmode->svid))
> return -ENOMEM;
> diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
> index b9a80aedee1b..3893dc29eb26 100644
> --- a/drivers/virtio/virtio.c
> +++ b/drivers/virtio/virtio.c
> @@ -95,9 +95,9 @@ static int virtio_dev_match(struct device *_dv, struct device_driver *_dr)
> return 0;
> }
>
> -static int virtio_uevent(struct device *_dv, struct kobj_uevent_env *env)
> +static int virtio_uevent(const struct device *_dv, struct kobj_uevent_env *env)
> {
> - struct virtio_device *dev = dev_to_virtio(_dv);
> + const struct virtio_device *dev = dev_to_virtio(_dv);
>
> return add_uevent_var(env, "MODALIAS=virtio:d%08Xv%08X",
> dev->id.device, dev->id.vendor);
> diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
> index f2ae2e563dc5..3a1018e9415b 100644
> --- a/drivers/w1/w1.c
> +++ b/drivers/w1/w1.c
> @@ -170,7 +170,7 @@ static struct w1_family w1_default_family = {
> .fops = &w1_default_fops,
> };
>
> -static int w1_uevent(struct device *dev, struct kobj_uevent_env *env);
> +static int w1_uevent(const struct device *dev, struct kobj_uevent_env *env);
>
> static struct bus_type w1_bus_type = {
> .name = "w1",
> @@ -577,11 +577,11 @@ void w1_destroy_master_attributes(struct w1_master *master)
> sysfs_remove_group(&master->dev.kobj, &w1_master_defattr_group);
> }
>
> -static int w1_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int w1_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct w1_master *md = NULL;
> - struct w1_slave *sl = NULL;
> - char *event_owner, *name;
> + const struct w1_master *md = NULL;
> + const struct w1_slave *sl = NULL;
> + const char *event_owner, *name;
> int err = 0;
>
> if (dev->driver == &w1_master_driver) {
> diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
> index 28b2a1fa25ab..e46de75096f1 100644
> --- a/drivers/xen/pvcalls-back.c
> +++ b/drivers/xen/pvcalls-back.c
> @@ -1186,7 +1186,7 @@ static int pvcalls_back_remove(struct xenbus_device *dev)
> return 0;
> }
>
> -static int pvcalls_back_uevent(struct xenbus_device *xdev,
> +static int pvcalls_back_uevent(const struct xenbus_device *xdev,
> struct kobj_uevent_env *env)
> {
> return 0;
> diff --git a/drivers/xen/xenbus/xenbus_probe_backend.c b/drivers/xen/xenbus/xenbus_probe_backend.c
> index 9c09f89d8278..da96c260e26b 100644
> --- a/drivers/xen/xenbus/xenbus_probe_backend.c
> +++ b/drivers/xen/xenbus/xenbus_probe_backend.c
> @@ -92,12 +92,12 @@ static int backend_bus_id(char bus_id[XEN_BUS_ID_SIZE], const char *nodename)
> return 0;
> }
>
> -static int xenbus_uevent_backend(struct device *dev,
> +static int xenbus_uevent_backend(const struct device *dev,
> struct kobj_uevent_env *env)
> {
> - struct xenbus_device *xdev;
> - struct xenbus_driver *drv;
> - struct xen_bus_type *bus;
> + const struct xenbus_device *xdev;
> + const struct xenbus_driver *drv;
> + const struct xen_bus_type *bus;
>
> DPRINTK("");
>
> diff --git a/drivers/xen/xenbus/xenbus_probe_frontend.c b/drivers/xen/xenbus/xenbus_probe_frontend.c
> index f44d5a64351e..3f3836cb7279 100644
> --- a/drivers/xen/xenbus/xenbus_probe_frontend.c
> +++ b/drivers/xen/xenbus/xenbus_probe_frontend.c
> @@ -73,10 +73,10 @@ static int xenbus_probe_frontend(struct xen_bus_type *bus, const char *type,
> return err;
> }
>
> -static int xenbus_uevent_frontend(struct device *_dev,
> +static int xenbus_uevent_frontend(const struct device *_dev,
> struct kobj_uevent_env *env)
> {
> - struct xenbus_device *dev = to_xenbus_device(_dev);
> + const struct xenbus_device *dev = to_xenbus_device(_dev);
>
> if (add_uevent_var(env, "MODALIAS=xen:%s", dev->devicetype))
> return -ENOMEM;
> diff --git a/drivers/zorro/zorro-driver.c b/drivers/zorro/zorro-driver.c
> index 96f068830549..025edfccedcf 100644
> --- a/drivers/zorro/zorro-driver.c
> +++ b/drivers/zorro/zorro-driver.c
> @@ -130,9 +130,9 @@ static int zorro_bus_match(struct device *dev, struct device_driver *drv)
> return !!zorro_match_device(ids, z);
> }
>
> -static int zorro_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int zorro_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct zorro_dev *z;
> + const struct zorro_dev *z;
>
> if (!dev)
> return -ENODEV;
> diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h
> index d529f644e92b..53e3cdf18bae 100644
> --- a/include/linux/device/bus.h
> +++ b/include/linux/device/bus.h
> @@ -90,7 +90,7 @@ struct bus_type {
> const struct attribute_group **drv_groups;
>
> int (*match)(struct device *dev, struct device_driver *drv);
> - int (*uevent)(struct device *dev, struct kobj_uevent_env *env);
> + int (*uevent)(const struct device *dev, struct kobj_uevent_env *env);
> int (*probe)(struct device *dev);
> void (*sync_state)(struct device *dev);
> void (*remove)(struct device *dev);
> diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
> index 9a32495fbb1f..2edf7f09239e 100644
> --- a/include/linux/spi/spi.h
> +++ b/include/linux/spi/spi.h
> @@ -223,7 +223,7 @@ struct spi_device {
> static_assert((SPI_MODE_KERNEL_MASK & SPI_MODE_USER_MASK) == 0,
> "SPI_MODE_USER_MASK & SPI_MODE_KERNEL_MASK must not overlap");
>
> -static inline struct spi_device *to_spi_device(struct device *dev)
> +static inline struct spi_device *to_spi_device(const struct device *dev)
> {
> return dev ? container_of(dev, struct spi_device, dev) : NULL;
> }
> diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
> index f9b53acb4e02..1f326da289d3 100644
> --- a/include/linux/ssb/ssb.h
> +++ b/include/linux/ssb/ssb.h
> @@ -285,7 +285,7 @@ struct ssb_device {
>
> /* Go from struct device to struct ssb_device. */
> static inline
> -struct ssb_device * dev_to_ssb_dev(struct device *dev)
> +struct ssb_device * dev_to_ssb_dev(const struct device *dev)
> {
> struct __ssb_dev_wrapper *wrap;
> wrap = container_of(dev, struct __ssb_dev_wrapper, dev);
> diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
> index a6872537724d..1c45664e0e5a 100644
> --- a/include/sound/hdaudio.h
> +++ b/include/sound/hdaudio.h
> @@ -123,7 +123,7 @@ void snd_hdac_device_exit(struct hdac_device *dev);
> int snd_hdac_device_register(struct hdac_device *codec);
> void snd_hdac_device_unregister(struct hdac_device *codec);
> int snd_hdac_device_set_chip_name(struct hdac_device *codec, const char *name);
> -int snd_hdac_codec_modalias(struct hdac_device *hdac, char *buf, size_t size);
> +int snd_hdac_codec_modalias(const struct hdac_device *hdac, char *buf, size_t size);
>
> int snd_hdac_refresh_widgets(struct hdac_device *codec);
>
> diff --git a/include/xen/xenbus.h b/include/xen/xenbus.h
> index b31f77f9c50c..9adefd9c98d4 100644
> --- a/include/xen/xenbus.h
> +++ b/include/xen/xenbus.h
> @@ -117,7 +117,7 @@ struct xenbus_driver {
> int (*remove)(struct xenbus_device *dev);
> int (*suspend)(struct xenbus_device *dev);
> int (*resume)(struct xenbus_device *dev);
> - int (*uevent)(struct xenbus_device *, struct kobj_uevent_env *);
> + int (*uevent)(const struct xenbus_device *, struct kobj_uevent_env *);
> struct device_driver driver;
> int (*read_otherend_details)(struct xenbus_device *dev);
> int (*is_ready)(struct xenbus_device *dev);
> diff --git a/sound/aoa/soundbus/core.c b/sound/aoa/soundbus/core.c
> index c9579d97fbab..39fb8fe4e6ab 100644
> --- a/sound/aoa/soundbus/core.c
> +++ b/sound/aoa/soundbus/core.c
> @@ -55,10 +55,10 @@ static int soundbus_probe(struct device *dev)
> }
>
>
> -static int soundbus_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int soundbus_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> - struct soundbus_dev * soundbus_dev;
> - struct platform_device * of;
> + const struct soundbus_dev * soundbus_dev;
> + const struct platform_device * of;
> const char *compat;
> int retval = 0;
> int cplen, seen = 0;
> diff --git a/sound/hda/hda_bus_type.c b/sound/hda/hda_bus_type.c
> index eea6b63f8305..4cd94178df9f 100644
> --- a/sound/hda/hda_bus_type.c
> +++ b/sound/hda/hda_bus_type.c
> @@ -65,7 +65,7 @@ static int hda_bus_match(struct device *dev, struct device_driver *drv)
> return 1;
> }
>
> -static int hda_uevent(struct device *dev, struct kobj_uevent_env *env)
> +static int hda_uevent(const struct device *dev, struct kobj_uevent_env *env)
> {
> char modalias[32];
>
> diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c
> index b7e5032b61c9..accc9d279ce5 100644
> --- a/sound/hda/hdac_device.c
> +++ b/sound/hda/hdac_device.c
> @@ -204,7 +204,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_device_set_chip_name);
> *
> * Returns the size of string, like snprintf(), or a negative error code.
> */
> -int snd_hdac_codec_modalias(struct hdac_device *codec, char *buf, size_t size)
> +int snd_hdac_codec_modalias(const struct hdac_device *codec, char *buf, size_t size)
> {
> return scnprintf(buf, size, "hdaudio:v%08Xr%08Xa%02X\n",
> codec->vendor_id, codec->revision_id, codec->type);
> --
> 2.39.0
>
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