[PATCH v19 2/7] firmware: arm_rmm: Check for RMI support at init

[Jonathan Cameron]

On Thu, 24 Sep 2026 14:51:56 +0100
Suzuki K Poulose <suzuki.poulose at arm.com> wrote:

> From: Steven Price <steven.price at arm.com>
> 
> Query the RMI version number and check if it is a compatible version.
> The first two feature registers are read and exposed for future code to
> use.
> 
> We only support this for Little Endian kernels, the Big Endian kernel
> support is anyway marked BROKEN and is being removed.
> 
> Signed-off-by: Steven Price <steven.price at arm.com>
> Co-developed-by: Suzuki K Poulose <suzuki.poulose at arm.com>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose at arm.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron at oss.qualcomm.com>