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;