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Marvell TopDog (softMAC) driver.
This driver is dependent on latest kernels for support. Some Marvell TopDog chipsets have been mislabeled as Marvel Libertas which is a fullMAC chipset such as 88w8335.
Marvell Libertas users should be using either libertas or libertas_tf which are available: http://wireless.kernel.org/en/users/Drivers/libertas and http://wireless.kernel.org/en/users/Drivers/libertastf