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axi_dmac: src_fifo_inf: Clear pipeline when no transfers are active 

Clear the pipeline when no transfers are active to make sure that we do not
get residual data on the first sample for the next transfer.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
main
Lars-Peter Clausen 2014-09-16 20:57:55 +02:00
parent a3dbd5ac00
commit de0edc2083
1 changed files with 2 additions and 2 deletions
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4
library/axi_dmac/src_fifo_inf.v
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@ -108,12 +108,12 @@ begin
if (enable) begin if (enable) begin
if (en) begin if (en) begin
valid <= 1'b1; valid <= 1'b1;
end else if (ready) begin end else if (ready || ~xfer_req) begin
valid <= 1'b0; valid <= 1'b0;
end end
overflow <= en & valid & ~ready; overflow <= en & valid & ~ready;
end else begin end else begin
if (ready) if (ready || ~xfer_req)
valid <= 1'b0; valid <= 1'b0;
overflow <= en; overflow <= en;
end end