iwlwifi: check the SCD conf from ALIVE response
The ALIVE response of new fw inclues the base address of the SCD in SRAM. Until we read it from a prph register, which was set by the fw. Since the fw might well stop updating the prph register, add a WARN when there is an inconsitency between the ALIVE response and the register to catch any change in the behavior. Reviewed-by: NGregory Greenman <gregory.greenman@intel.com> Reviewed-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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