arm: davinci: use for_each_set_bit_from
authorAkinobu Mita <[email protected]>
Wed, 11 Apr 2012 11:36:53 +0000 (20:36 +0900)
committerSekhar Nori <[email protected]>
Wed, 9 May 2012 11:52:07 +0000 (17:22 +0530)
Use for_each_set_bit_from to iterate over all the set bit in a memory
region.

Signed-off-by: Akinobu Mita <[email protected]>
Acked-by: Sekhar Nori <[email protected]>
Cc: Sekhar Nori <[email protected]>
Cc: Christian Riesch <[email protected]>
Cc: Kevin Hilman <[email protected]>
Cc: [email protected]
Cc: Russell King <[email protected]>
Cc: [email protected]
Signed-off-by: Sekhar Nori <[email protected]>
arch/arm/mach-davinci/dma.c

index fd33919c95d4ef4a1ae9c7ad3437f52526713730..95ce019c9b98686b5fb14f69fc93665daf964f49 100644 (file)
@@ -557,9 +557,9 @@ static int reserve_contiguous_slots(int ctlr, unsigned int id,
        if (i == edma_cc[ctlr]->num_slots)
                stop_slot = i;
 
-       for (j = start_slot; j < stop_slot; j++)
-               if (test_bit(j, tmp_inuse))
-                       clear_bit(j, edma_cc[ctlr]->edma_inuse);
+       j = start_slot;
+       for_each_set_bit_from(j, tmp_inuse, stop_slot)
+               clear_bit(j, edma_cc[ctlr]->edma_inuse);
 
        if (count)
                return -EBUSY;