82 			struct mutex mem_mbx_lock;	/* to protect the memory-based mailbox */  member
1193 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {  in dib9000_fw_get_channel()
1323 	mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_fw_get_channel()
1678 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {  in dib9000_fw_component_bus_xfer()
1692 		mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_fw_component_bus_xfer()
1700 	mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_fw_component_bus_xfer()
2207 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {  in dib9000_read_ber()
2213 		mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_read_ber()
2219 	mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_read_ber()
2251 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {  in dib9000_read_signal_strength()
2257 		mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_read_signal_strength()
2262 	mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_read_signal_strength()
2282 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {  in dib9000_get_snr()
2287 		mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_get_snr()
2291 	mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_get_snr()
2350 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {  in dib9000_read_unc_blocks()
2356 		mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_read_unc_blocks()
2361 	mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_read_unc_blocks()
2512 	mutex_init(&st->platform.risc.mem_mbx_lock);  in dib9000_attach()