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authorSuren A. Chilingaryan <csa@dside.dyndns.org>2011-07-14 01:44:10 +0200
committerSuren A. Chilingaryan <csa@dside.dyndns.org>2011-07-14 01:44:10 +0200
commitb492b1aac3d12683ccbc973b08b023ba0466cbec (patch)
tree09f6d3d0cc3725b62a5c9210220e14316b737622 /dma/nwl_loopback.c
parent9f17f71885344d93b16fdc17458aa28ba350a480 (diff)
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Support modifications of DMA engine and allow DMA customizations by Event engine
Diffstat (limited to 'dma/nwl_loopback.c')
-rw-r--r--dma/nwl_loopback.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/dma/nwl_loopback.c b/dma/nwl_loopback.c
index 9c74b14..a31bd08 100644
--- a/dma/nwl_loopback.c
+++ b/dma/nwl_loopback.c
@@ -43,11 +43,12 @@ int dma_nwl_start_loopback(nwl_dma_t *ctx, pcilib_dma_direction_t direction, si
int dma_nwl_stop_loopback(nwl_dma_t *ctx) {
uint32_t val = 0;
- if (ctx->loopback_started) {
- nwl_write_register(val, ctx, ctx->base_addr, TX_CONFIG_ADDRESS);
- nwl_write_register(val, ctx, ctx->base_addr, RX_CONFIG_ADDRESS);
- ctx->loopback_started = 0;
- }
+ /* Stop in any case, otherwise we can have problems in benchmark due to
+ engine initialized in previous run, and benchmark is only actual usage.
+ Otherwise, we should detect current loopback status during initialization */
+ nwl_write_register(val, ctx, ctx->base_addr, TX_CONFIG_ADDRESS);
+ nwl_write_register(val, ctx, ctx->base_addr, RX_CONFIG_ADDRESS);
+ ctx->loopback_started = 0;
return 0;
}