[PATCH v12 2/7] firmware: hwrng: arm_smccc_trng: Register as an SMCCC device

[Aneesh Kumar K.V]

Catalin Marinas <catalin.marinas at arm.com> writes:

> On Mon, Sep 21, 2026 at 11:08:02AM +0530, Aneesh Kumar K.V (Arm) wrote:
>> The SMCCC TRNG interface is a firmware-provided SMCCC service rather than a
>> standalone platform device. Now that the SMCCC core has an SMCCC bus,
>> create an arm-smccc-trng device for the discovered TRNG service and convert
>> the hwrng driver to an SMCCC driver.
>> 
>> The SMCCC id table preserves module autoloading for systems where the TRNG
>> driver is built as a module.
>> 
>> The sysfs device path changes from the old smccc_trng platform-device path
>> to an arm-smccc device path. No known userspace dependency on the old path
>> was found; a Debian Code Search lookup for the existing platform-device
>> name/path did not find any users.
>> 
>> Reviewed-by: Catalin Marinas <catalin.marinas at arm.com>
>> Reviewed-by: Jonathan Cameron <jonathan.cameron at oss.qualcomm.com>
>> Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>
>> Tested-by: Andre Przywara <andre.przywara at arm.com>
>> Signed-off-by: Aneesh Kumar K.V (Arm) <aneesh.kumar at kernel.org>
>> ---
>>  arch/arm/include/asm/archrandom.h       |  2 +-
>>  arch/arm64/include/asm/archrandom.h     |  2 +-
>>  drivers/char/hw_random/arm_smccc_trng.c | 32 ++++++++-----
>>  drivers/firmware/smccc/smccc.c          | 62 +++++++++++++++++++++----
>>  4 files changed, 76 insertions(+), 22 deletions(-)
>
> I asked you two times already to cc the hw_random maintainers. Not
> adding them again but not merging this stuff without their ack either.
> So, up to you.
>

Sorry, I missed that. I'll repost and Cc the hw_random maintainers.

-aneesh