MAC_CTRL_PRMLEN_SHIFT  384 drivers/net/ethernet/atheros/atl1c/atl1c_hw.h #define MAC_CTRL_PRMLEN_SHIFT		10
MAC_CTRL_PRMLEN_SHIFT  274 drivers/net/ethernet/atheros/atl1e/atl1e_hw.h #define     MAC_CTRL_PRMLEN_SHIFT       10        /* Preamble length */
MAC_CTRL_PRMLEN_SHIFT  204 drivers/net/ethernet/atheros/atlx/atlx.h #define MAC_CTRL_PRMLEN_SHIFT		10