147 		if (atomic_read(&mdev->busy) == 1) {  in maple_vmu_read_block()
149 				atomic_read(&mdev->busy) == 0, HZ);  in maple_vmu_read_block()
150 			if (atomic_read(&mdev->busy) == 1) {  in maple_vmu_read_block()
152 					" is busy\n", mdev->port, mdev->unit);  in maple_vmu_read_block()
158 		atomic_set(&mdev->busy, 1);  in maple_vmu_read_block()
162 			atomic_set(&mdev->busy, 0);  in maple_vmu_read_block()
173 			(atomic_read(&mdev->busy) == 0 ||  in maple_vmu_read_block()
174 			atomic_read(&mdev->busy) == 2), HZ * 3);  in maple_vmu_read_block()
178 		* in the middle of a read (busy == 2)  in maple_vmu_read_block()
180 		if (error || atomic_read(&mdev->busy) == 2) {  in maple_vmu_read_block()
181 			if (atomic_read(&mdev->busy) == 2)  in maple_vmu_read_block()
183 			atomic_set(&mdev->busy, 0);  in maple_vmu_read_block()
189 			atomic_set(&mdev->busy, 0);  in maple_vmu_read_block()
250 		/* wait until the device is not busy doing something else  in maple_vmu_write_block()
252 		if (atomic_read(&mdev->busy) == 1) {  in maple_vmu_write_block()
254 				atomic_read(&mdev->busy) == 0, HZ);  in maple_vmu_write_block()
255 			if (atomic_read(&mdev->busy) == 1) {  in maple_vmu_write_block()
258 					"failed - device is busy\n",  in maple_vmu_write_block()
263 		atomic_set(&mdev->busy, 1);  in maple_vmu_write_block()
268 			atomic_read(&mdev->busy) == 0, HZ/10);  in maple_vmu_write_block()
271 			atomic_set(&mdev->busy, 0);  in maple_vmu_write_block()
274 		if (atomic_read(&mdev->busy) == 2) {  in maple_vmu_write_block()
275 			atomic_set(&mdev->busy, 0);  in maple_vmu_write_block()
282 			atomic_set(&mdev->busy, 0);  in maple_vmu_write_block()
655 	if (atomic_read(&mdev->busy) == 1) {  in vmu_connect()
657 			atomic_read(&mdev->busy) == 0, HZ);  in vmu_connect()
658 		if (atomic_read(&mdev->busy) == 1) {  in vmu_connect()
659 			dev_notice(&mdev->dev, "VMU at (%d, %d) is busy\n",  in vmu_connect()
666 	atomic_set(&mdev->busy, 1);  in vmu_connect()