dmaengine: ti: k3-psil: make symbols static

Fixe the following warnings by making these static

drivers/dma/ti/k3-psil-j721e.c:62:16: warning: symbol 'j721e_src_ep_map' was not declared. Should it be static?
drivers/dma/ti/k3-psil-j721e.c:172:16: warning: symbol 'j721e_dst_ep_map' was not declared. Should it be static?
drivers/dma/ti/k3-psil-j721e.c:216:20: warning: symbol 'j721e_ep_map' was not declared. Should it be static?
  CC      drivers/dma/ti/k3-psil-j721e.o
drivers/dma/ti/k3-psil-am654.c:52:16: warning: symbol 'am654_src_ep_map' was not declared. Should it be static?
drivers/dma/ti/k3-psil-am654.c:127:16: warning: symbol 'am654_dst_ep_map' was not declared. Should it be static?
drivers/dma/ti/k3-psil-am654.c:169:20: warning: symbol 'am654_ep_map' was not declared. Should it be static?
Reported-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200121070104.4393-1-peter.ujfalusi@ti.com
[vkoul: updated patch title]
Signed-off-by: Vinod Koul <vkoul@kernel.org>

drivers/dma/ti/k3-psil-am654.c

@@ -49,7 +49,7 @@
 	}
 
 /* PSI-L source thread IDs, used for RX (DMA_DEV_TO_MEM) */
-struct psil_ep am654_src_ep_map[] = {
+static struct psil_ep am654_src_ep_map[] = {
 	/* SA2UL */
 	PSIL_SA2UL(0x4000, 0),
 	PSIL_SA2UL(0x4001, 0),
@@ -124,7 +124,7 @@ struct psil_ep am654_src_ep_map[] = {
 };
 
 /* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */
-struct psil_ep am654_dst_ep_map[] = {
+static struct psil_ep am654_dst_ep_map[] = {
 	/* SA2UL */
 	PSIL_SA2UL(0xc000, 1),
 	PSIL_SA2UL(0xc001, 1),

drivers/dma/ti/k3-psil-j721e.c

@@ -59,7 +59,7 @@
 	}
 
 /* PSI-L source thread IDs, used for RX (DMA_DEV_TO_MEM) */
-struct psil_ep j721e_src_ep_map[] = {
+static struct psil_ep j721e_src_ep_map[] = {
 	/* SA2UL */
 	PSIL_SA2UL(0x4000, 0),
 	PSIL_SA2UL(0x4001, 0),
@@ -169,7 +169,7 @@ struct psil_ep j721e_src_ep_map[] = {
 };
 
 /* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */
-struct psil_ep j721e_dst_ep_map[] = {
+static struct psil_ep j721e_dst_ep_map[] = {
 	/* SA2UL */
 	PSIL_SA2UL(0xc000, 1),
 	PSIL_SA2UL(0xc001, 1),

drivers/dma/ti/k3-psil-priv.h

@@ -36,4 +36,8 @@ struct psil_ep_map {
 
 struct psil_endpoint_config *psil_get_ep_config(u32 thread_id);
 
+/* SoC PSI-L endpoint maps */
+extern struct psil_ep_map am654_ep_map;
+extern struct psil_ep_map j721e_ep_map;
+
 #endif /* K3_PSIL_PRIV_H_ */

drivers/dma/ti/k3-psil.c

@@ -12,9 +12,6 @@
 
 #include "k3-psil-priv.h"
 
-extern struct psil_ep_map am654_ep_map;
-extern struct psil_ep_map j721e_ep_map;
-
 static DEFINE_MUTEX(ep_map_mutex);
 static struct psil_ep_map *soc_ep_map;