Changeset 23 for trunk/kernel/devices/dev_dma.c

Timestamp:

Jun 18, 2017, 10:06:41 PM (7 years ago)

Author:

alain

Message:

Introduce syscalls.

File:

• trunk/kernel/devices/dev_dma.c (modified) (2 diffs)

trunk/kernel/devices/dev_dma.c

@@ -45 +45 @@
 void dev_dma_init( chdev_t * chdev )
 {
-    // get implementation index from DMA chdev descriptor
-    uint32_t impl = chdev->impl;
+    // get implementation & channel from DMA chdev descriptor
+    uint32_t impl    = chdev->impl;
+    uint32_t channel = chdev->channel;
+
+    // set chdev name
+    snprintf( chdev->name , 16 , "dma_%d_%x" , channel , local_cxy );
 
     // set field "cmd", "isr", and call the relevant driver init function
@@ -59 +63 @@
         assert( false , __FUNCTION__ , "undefined DMA implementation" );
     }
-
-    // get DMA channel index
-    uint32_t channel = chdev->channel;
 
     // get DMA HWI IRQ index