dmaengine: idxd: Export wq resource management functions

To allow idxd sub-drivers to access the wq resource management
functions, export them.
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Fenghua Yu <fenghua.yu@intel.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/dma/idxd/device.c

@@ -161,6 +161,7 @@ int idxd_wq_alloc_resources(struct idxd_wq *wq)
 	free_hw_descs(wq);
 	return rc;
 }
+EXPORT_SYMBOL_NS_GPL(idxd_wq_alloc_resources, IDXD);
 
 void idxd_wq_free_resources(struct idxd_wq *wq)
 {
@@ -174,6 +175,7 @@ void idxd_wq_free_resources(struct idxd_wq *wq)
 	dma_free_coherent(dev, wq->compls_size, wq->compls, wq->compls_addr);
 	sbitmap_queue_free(&wq->sbq);
 }
+EXPORT_SYMBOL_NS_GPL(idxd_wq_free_resources, IDXD);
 
 int idxd_wq_enable(struct idxd_wq *wq)
 {
@@ -405,6 +407,7 @@ int idxd_wq_init_percpu_ref(struct idxd_wq *wq)
 	reinit_completion(&wq->wq_resurrect);
 	return 0;
 }
+EXPORT_SYMBOL_NS_GPL(idxd_wq_init_percpu_ref, IDXD);
 
 void __idxd_wq_quiesce(struct idxd_wq *wq)
 {
@@ -414,6 +417,7 @@ void __idxd_wq_quiesce(struct idxd_wq *wq)
 	complete_all(&wq->wq_resurrect);
 	wait_for_completion(&wq->wq_dead);
 }
+EXPORT_SYMBOL_NS_GPL(__idxd_wq_quiesce, IDXD);
 
 void idxd_wq_quiesce(struct idxd_wq *wq)
 {
@@ -421,6 +425,7 @@ void idxd_wq_quiesce(struct idxd_wq *wq)
 	__idxd_wq_quiesce(wq);
 	mutex_unlock(&wq->wq_lock);
 }
+EXPORT_SYMBOL_NS_GPL(idxd_wq_quiesce, IDXD);
 
 /* Device control bits */
 static inline bool idxd_is_enabled(struct idxd_device *idxd)