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attached this way. The AR5212 based NICs have a variety of RF frontends, so there's a linker set which the AR5212 attach routine calls. The same framework is used for the AR5416 and later but as there's a fixed RF frontend for each 11n NIC, it is just directly attached. However in the case of compiling a cut down HAL (eg _just_ AR9130 WMAC support), the linker set ends up being empty and this causes the compile to fail. So this is just a workaround for that - it means those users who wish an 11n only HAL can compile the 11n chipsets and RF frontend they need, and just "ath_ar5212" for the AR5212/AR5416 common code, and it'll just work. Sponsored by: Hobnob, Inc.
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