dib9000_risc_apb_access_read
static int dib9000_risc_apb_access_read(struct dib9000_state *state, u32 address, u16 attribute, const u8 * tx, u32 txlen, u8 * b, u32 len);
return dib9000_risc_apb_access_read(state, reg, attribute, NULL, 0, b, len);