OMAP: DMA: Fix CCR programming for request line > 63
Bug in existing code causes synchro control to be set +32 if request
line greater than 63 is used.
Reported by Wenbiao Wang
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
+++ linux-omap-2.6/arch/arm/plat-omap/dma.c 2009-01-08 14:44:46.
000000000 +0200
@@ -279,10 +279,7 @@ void omap_set_dma_transfer_params(int lc
val = dma_read(CCR(lch));
val &= ~(3 << 19);
- if (dma_trigger > 63)
- val |= 1 << 20;
- if (dma_trigger > 31)
- val |= 1 << 19;
+ val |= ((dma_trigger & ~(0x1f)) << 14);
val &= ~(0x1f);
val |= (dma_trigger & 0x1f);
Signed-off-by: Tony Lindgren <tony@atomide.com>