38 	struct flchip_shared *shared;  in lpddr_cmdset()  local
68 	shared = kmalloc_array(lpddr->numchips, sizeof(struct flchip_shared),  in lpddr_cmdset()
70 	if (!shared) {  in lpddr_cmdset()
78 		shared[i].writing = shared[i].erasing = NULL;  in lpddr_cmdset()
79 		mutex_init(&shared[i].lock);  in lpddr_cmdset()
84 			chip->priv = &shared[i];  in lpddr_cmdset()
214 		 * - any write operation must own shared->writing.  in get_chip()
216 		 * - any erase operation must own _both_ shared->writing and  in get_chip()
217 		 *   shared->erasing.  in get_chip()
221 		 * The 'shared' struct can be read and/or written only when  in get_chip()
224 		struct flchip_shared *shared = chip->priv;  in get_chip()  local
226 		mutex_lock(&shared->lock);  in get_chip()
227 		contender = shared->writing;  in get_chip()
239 			mutex_unlock(&shared->lock);  in get_chip()
254 			mutex_lock(&shared->lock);  in get_chip()
268 		if (mode == FL_ERASING && shared->erasing  in get_chip()
269 		    && shared->erasing->oldstate == FL_ERASING) {  in get_chip()
270 			mutex_unlock(&shared->lock);  in get_chip()
281 		shared->writing = chip;  in get_chip()
283 			shared->erasing = chip;  in get_chip()
284 		mutex_unlock(&shared->lock);  in get_chip()
351 		struct flchip_shared *shared = chip->priv;  in put_chip()  local
352 		mutex_lock(&shared->lock);  in put_chip()
353 		if (shared->writing == chip && chip->oldstate == FL_READY) {  in put_chip()
355 			shared->writing = shared->erasing;  in put_chip()
356 			if (shared->writing && shared->writing != chip) {  in put_chip()
358 				struct flchip *loaner = shared->writing;  in put_chip()
360 				mutex_unlock(&shared->lock);  in put_chip()
368 			shared->erasing = NULL;  in put_chip()
369 			shared->writing = NULL;  in put_chip()
370 		} else if (shared->erasing == chip && shared->writing != chip) {  in put_chip()
378 			mutex_unlock(&shared->lock);  in put_chip()
382 		mutex_unlock(&shared->lock);  in put_chip()