Re: Add MediaTek MT6873 devapc driver

Rob Herring
2020-06-09T17:32:21Z

On Tue, Jun 09, 2020 at 06:24:19PM +0800, Neal Liu wrote:
> These patch series introduce a MediaTek MT6873 devapc driver.
>
> MT6873 bus frabric provides TrustZone security support and data
> protection to prevent slaves from being accessed by unexpected
> masters.
> The security violations are logged and sent to the processor for
> further analysis or countermeasures.
>
> Any occurrence of security violation would raise an interrupt, and
> it will be handled by devapc-mt6873 driver. The violation
> information is printed in order to find the murderer.

There's also a proposed driver with similar functionality[1]. Come up
with a common solution.

Rob

[1] https://lore.kernel.org/linux-arm-kernel/20200128153806.7780-1-benjamin.gaignard@st.com/