This patch prevents integer underflow when the length was too small,
which could lead to memory corruption.
Signed-off-by: Jeremy Boone <jeremy.boone@nccgroup.trust>
Add support for TPM ST33ZP24 spi.
The ST33ZP24 does have a spi interface.
The transport protocol is proprietary.
For spi we are relying only on DM_SPI.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
