From: David Brownell <dbrown...@users.sourceforge.net>
Bugfix to the EDMA "allocate a channel with no peripheral event"
code path: consult the right bitmap, in the right way. Such
channels are useful for chaining, manual triggering, and QDMA.
Signed-off-by: David Brownell <dbrown...@users.sourceforge.net>
---
arch/arm/mach-davinci/dma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm/mach-davinci/dma.c
+++ b/arch/arm/mach-davinci/dma.c
@@ -485,7 +485,7 @@ int edma_alloc_channel(int channel,
if (channel < 0) {
channel = 0;
for (;;) {
- channel = find_next_zero_bit(edma_inuse,
+ channel = find_next_bit(edma_noevent,
num_channels, channel);
if (channel == num_channels)
return -ENOMEM;
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