On Mon, May 18, 2026 at 12:27:13PM +0200, Greg Kroah-Hartman wrote: > On Mon, May 18, 2026 at 07:20:00PM +0900, Shashank Balaji wrote: > > Pass KBUILD_MODNAME through the driver registration macro so that > > the driver core can create the module symlink in sysfs for built-in > > drivers, and fixup all callers. > > > > The Rust platform adapter is updated to pass the module name through to the > > new > > parameter. > > > > Tested on qemu with: > > - x86 defconfig + CONFIG_RUST > > - arm64 defconfig + CONFIG_RUST + CONFIG_CORESIGHT stuff > > > > Examples after this patch: > > > > /sys/bus/platform/drivers/... > > coresight-itnoc/module -> coresight_tnoc > > coresight-static-tpdm/module -> coresight_tpdm > > coresight-catu-platform/module -> coresight_catu > > serial8250/module -> 8250 > > acpi-ged/module -> acpi > > vmclock/module -> ptp_vmclock > > > > Co-developed-by: Rahul Bukte <[email protected]> > > Signed-off-by: Rahul Bukte <[email protected]> > > Signed-off-by: Shashank Balaji <[email protected]> > > --- > > This patch depends on patches 1, 2, 3 > > --- > > Documentation/driver-api/driver-model/platform.rst | 3 ++- > > drivers/base/platform.c | 21 > > ++++++++++++++------- > > drivers/hwtracing/coresight/coresight-core.c | 5 +++-- > > include/linux/coresight.h | 5 +++-- > > include/linux/platform_device.h | 17 +++++++++-------- > > rust/kernel/platform.rs | 4 +++- > > 6 files changed, 34 insertions(+), 21 deletions(-) > > > > diff --git a/Documentation/driver-api/driver-model/platform.rst > > b/Documentation/driver-api/driver-model/platform.rst > > index cf5ff48d3115..9673470bded2 100644 > > --- a/Documentation/driver-api/driver-model/platform.rst > > +++ b/Documentation/driver-api/driver-model/platform.rst > > @@ -70,7 +70,8 @@ Kernel modules can be composed of several platform > > drivers. The platform core > > provides helpers to register and unregister an array of drivers:: > > > > int __platform_register_drivers(struct platform_driver * const *drivers, > > - unsigned int count, struct module *owner); > > + unsigned int count, struct module *owner, > > + const char *mod_name); > > Why can't you just use the owner->name value instead? They are always > the same here, right?
owner is NULL for built-in modules.
