87 			struct mutex mem_mbx_lock;	/* to protect the memory-based mailbox */  member
1197 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {  in dib9000_fw_get_channel()
1327 	mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_fw_get_channel()
1682 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {  in dib9000_fw_component_bus_xfer()
1696 		mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_fw_component_bus_xfer()
1704 	mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_fw_component_bus_xfer()
2212 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {  in dib9000_read_ber()
2218 		mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_read_ber()
2224 	mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_read_ber()
2256 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {  in dib9000_read_signal_strength()
2262 		mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_read_signal_strength()
2267 	mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_read_signal_strength()
2287 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {  in dib9000_get_snr()
2292 		mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_get_snr()
2296 	mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_get_snr()
2355 	if (mutex_lock_interruptible(&state->platform.risc.mem_mbx_lock) < 0) {  in dib9000_read_unc_blocks()
2361 		mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_read_unc_blocks()
2366 	mutex_unlock(&state->platform.risc.mem_mbx_lock);  in dib9000_read_unc_blocks()
2499 	mutex_init(&st->platform.risc.mem_mbx_lock);  in dib9000_attach()