On Wed, Nov 29, 2023 at 01:37:53PM +0100, Etienne Carriere wrote:
> Change optee driver service enumeration to not enumerate (and
> allocate a zero sized shared memory buffer) when OP-TEE
> reports that there is no service to enumerate.
>
> This change fixes an existing issue that occurs when the such zero
> sized shared memory buffer allocated from malloc() has a physical
> address of offset 0 of a physical 4kB page. In such case, OP-TEE
> secure world refuses to register the zero-sized shared memory
> area and makes U-Boot optee service enumeration to fail.
>
> Fixes: 94ccfb78a4d6 ("drivers: tee: optee: discover OP-TEE services")
> Signed-off-by: Etienne Carriere <etienne.carri...@foss.st.com>
> Reviewed-by: Patrice Chotard <patrice.chot...@foss.st.com>
> Reviewed-by: Jens Wiklander <jens.wiklan...@linaro.org>Applied to u-boot/next, thanks! -- Tom
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