From: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com
Dont flush dummy descriptors as they are already allocated from a region with dcache off. Tested this on Zynq(zc702) and ZynqMP(zcu102) boards.
Signed-off-by: Siva Durga Prasad Paladugu sivadur@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com ---
drivers/net/zynq_gem.c | 4 ---- 1 file changed, 4 deletions(-)
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index 9c0f5fba28cd..31bb3f17d835 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -407,10 +407,6 @@ static int zynq_gem_init(struct udevice *dev) dummy_rx_bd->addr = ZYNQ_GEM_RXBUF_WRAP_MASK | ZYNQ_GEM_RXBUF_NEW_MASK; dummy_rx_bd->status = 0; - flush_dcache_range((ulong)&dummy_tx_bd, (ulong)&dummy_tx_bd + - sizeof(dummy_tx_bd)); - flush_dcache_range((ulong)&dummy_rx_bd, (ulong)&dummy_rx_bd + - sizeof(dummy_rx_bd));
writel((ulong)dummy_tx_bd, ®s->transmit_q1_ptr); writel((ulong)dummy_rx_bd, ®s->receive_q1_ptr);