51 	struct flchip_shared *shared;  in lpddr_cmdset()  local
83 	shared = kmalloc(sizeof(struct flchip_shared) * lpddr->numchips,  in lpddr_cmdset()
85 	if (!shared) {  in lpddr_cmdset()
94 		shared[i].writing = shared[i].erasing = NULL;  in lpddr_cmdset()
95 		mutex_init(&shared[i].lock);  in lpddr_cmdset()
100 			chip->priv = &shared[i];  in lpddr_cmdset()
202 		 * - any write operation must own shared->writing.  in get_chip()
204 		 * - any erase operation must own _both_ shared->writing and  in get_chip()
205 		 *   shared->erasing.  in get_chip()
209 		 * The 'shared' struct can be read and/or written only when  in get_chip()
212 		struct flchip_shared *shared = chip->priv;  in get_chip()  local
214 		mutex_lock(&shared->lock);  in get_chip()
215 		contender = shared->writing;  in get_chip()
227 			mutex_unlock(&shared->lock);  in get_chip()
242 			mutex_lock(&shared->lock);  in get_chip()
256 		if (mode == FL_ERASING && shared->erasing  in get_chip()
257 		    && shared->erasing->oldstate == FL_ERASING) {  in get_chip()
258 			mutex_unlock(&shared->lock);  in get_chip()
269 		shared->writing = chip;  in get_chip()
271 			shared->erasing = chip;  in get_chip()
272 		mutex_unlock(&shared->lock);  in get_chip()
339 		struct flchip_shared *shared = chip->priv;  in put_chip()  local
340 		mutex_lock(&shared->lock);  in put_chip()
341 		if (shared->writing == chip && chip->oldstate == FL_READY) {  in put_chip()
343 			shared->writing = shared->erasing;  in put_chip()
344 			if (shared->writing && shared->writing != chip) {  in put_chip()
346 				struct flchip *loaner = shared->writing;  in put_chip()
348 				mutex_unlock(&shared->lock);  in put_chip()
356 			shared->erasing = NULL;  in put_chip()
357 			shared->writing = NULL;  in put_chip()
358 		} else if (shared->erasing == chip && shared->writing != chip) {  in put_chip()
366 			mutex_unlock(&shared->lock);  in put_chip()
370 		mutex_unlock(&shared->lock);  in put_chip()