rsi_sdio_host_intf_read_pkt
.read_pkt = rsi_sdio_host_intf_read_pkt,
status = rsi_sdio_host_intf_read_pkt(adapter, dev->pktbuffer,
int rsi_sdio_host_intf_read_pkt(struct rsi_hw *adapter, u8 *pkt, u32 length);