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authorIngo Molnar <mingo@elte.hu>2009-10-29 09:02:15 +0100
committerIngo Molnar <mingo@elte.hu>2009-10-29 09:02:20 +0100
commit9de09ace8d518141a4375e1d216ab64db4377799 (patch)
treeda8e7a77f4ea91eb3bb73fc6da72ecf8c99e1c16 /arch/arm/plat-omap/dma.c
parent1beee96bae0daf7f491356777c3080cc436950f5 (diff)
parent6d3f1e12f46a2f9a1bb7e7aa433df8dd31ce5647 (diff)
downloadop-kernel-dev-9de09ace8d518141a4375e1d216ab64db4377799.zip
op-kernel-dev-9de09ace8d518141a4375e1d216ab64db4377799.tar.gz
Merge branch 'tracing/urgent' into tracing/core
Merge reason: Pick up fixes and move base from -rc1 to -rc5. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/plat-omap/dma.c')
-rw-r--r--arch/arm/plat-omap/dma.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index fd3154a..0eb676d 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -829,10 +829,10 @@ EXPORT_SYMBOL(omap_free_dma);
*
* @param arb_rate
* @param max_fifo_depth
- * @param tparams - Number of thereads to reserve : DMA_THREAD_RESERVE_NORM
- * DMA_THREAD_RESERVE_ONET
- * DMA_THREAD_RESERVE_TWOT
- * DMA_THREAD_RESERVE_THREET
+ * @param tparams - Number of threads to reserve : DMA_THREAD_RESERVE_NORM
+ * DMA_THREAD_RESERVE_ONET
+ * DMA_THREAD_RESERVE_TWOT
+ * DMA_THREAD_RESERVE_THREET
*/
void
omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams)
@@ -844,11 +844,14 @@ omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams)
return;
}
+ if (max_fifo_depth == 0)
+ max_fifo_depth = 1;
if (arb_rate == 0)
arb_rate = 1;
- reg = (arb_rate & 0xff) << 16;
- reg |= (0xff & max_fifo_depth);
+ reg = 0xff & max_fifo_depth;
+ reg |= (0x3 & tparams) << 12;
+ reg |= (arb_rate & 0xff) << 16;
dma_write(reg, GCR);
}
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