crypto: inside-secure - Base RD fetchcount on actual RD FIFO size
This patch derives the result descriptor fetch count from the actual FIFO size advertised by the hardware. Fetching result descriptors one at a time is a performance bottleneck for small blocks, especially on hardware with multiple pipes. Even moreso if the HW has few rings. Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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