Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / arch / arm / mach-pxa / dma.c
index 458112b..7d8c854 100644 (file)
@@ -45,23 +45,16 @@ int pxa_request_dma (char *name, pxa_dma_prio prio,
 
        local_irq_save(flags);
 
-       /* try grabbing a DMA channel with the requested priority */
-       for (i = prio; i < prio + PXA_DMA_NBCH(prio); i++) {
-               if (!dma_channels[i].name) {
-                       found = 1;
-                       break;
-               }
-       }
-
-       if (!found) {
-               /* requested prio group is full, try hier priorities */
-               for (i = prio-1; i >= 0; i--) {
+       do {
+               /* try grabbing a DMA channel with the requested priority */
+               pxa_for_each_dma_prio (i, prio) {
                        if (!dma_channels[i].name) {
                                found = 1;
                                break;
                        }
                }
-       }
+               /* if requested prio group is full, try a hier priority */
+       } while (!found && prio--);
 
        if (found) {
                DCSR(i) = DCSR_STARTINTR|DCSR_ENDINTR|DCSR_BUSERR;