[GitHub] [incubator-nuttx] xiaoxiang781216 commented on a diff in pull request #7472: Initialize global mutext/sem by NXMUTEX_INITIALIZER and SEM_INITIALIZER

[GitBox]

xiaoxiang781216 commented on code in PR #7472:
URL: https://github.com/apache/incubator-nuttx/pull/7472#discussion_r1011151858


##########
arch/arm/src/sama5/sam_dmac.c:
##########
@@ -1334,7 +1322,7 @@ sam_allocdesc(struct sam_dmach_s *dmach, struct 
dma_linklist_s *prev,
        * there is at least one free descriptor in the table and it is ours.
        */
 
-      ret = sam_takedsem(dmac);
+      ret = nxsem_wait_uninterruptible(&dmac->dsem);

Review Comment:
   move to next patch



##########
arch/arm/src/sama5/sam_dmac.c:
##########
@@ -1349,7 +1337,7 @@ sam_allocdesc(struct sam_dmach_s *dmach, struct 
dma_linklist_s *prev,
       ret = nxmutex_lock(&dmac->chlock);
       if (ret < 0)
         {
-          sam_givedsem(dmac);
+          nxsem_post(&dmac->dsem);

Review Comment:
   move to next patch



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