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ID protection is a firmware setting for NT window access control. With it enabled, only the posted requests with requester IDs in the requester ID table will be allowed to access the NT windows. Otherwise all posted requests are allowed. Normally user will configure it statically via the Switchtec config file, and it will take effect when the firmware boots up. The driver can also toggle the ID protection setting dynamically, which will overwrite the static setting in the Switchtec config file as a side effect. Currently, the driver disables the ID protection. However, it's not necessary to disable the ID protection at the driver level as the driver has already configured the proper requester IDs in the requester ID table to allow the corresponding posted requests to hit the NT windows. Remove the code that disables the ID protection to make the static setting prevail. Note: ID protection is not applicable to non-posted requests. Signed-off-by: Kelvin Cao <kelvin.cao@microchip.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> |
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