[PATCH v3] firmware: smccc: Add ARCH_SOC_ID support

Sudeep Holla sudeep.holla at arm.com
Tue Jun 30 09:25:12 EDT 2020

Hi Arnd,

On Thu, Jun 25, 2020 at 10:59:39AM +0100, Sudeep Holla wrote:
> SMCCC v1.2 adds a new optional function SMCCC_ARCH_SOC_ID to obtain a
> SiP defined SoC identification value. Add support for the same.
> Also using the SoC bus infrastructure, let us expose the platform
> specific SoC atrributes under sysfs.
> There are various ways in which it can be represented in shortened form
> for efficiency and ease of parsing for userspace. The chosen form is
> described in the ABI document.

If you happy with this version, I can send PR for this along with the
clean up series that Greg and others have acked [1]


[1] https://lore.kernel.org/linux-arm-kernel/20200527165238.GA21440@bogus

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