From f0b94c4bcd6f6975c4f8826aaf015038a5555b83 Mon Sep 17 00:00:00 2001 From: Siva Durga Prasad Paladugu Date: Tue, 30 May 2017 14:28:40 +0200 Subject: [PATCH] net: zynq_gem: Dont flush dummy descriptors 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 Signed-off-by: Michal Simek Acked-by: Joe Hershberger --- 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 d3919bee61..f6bbcdc48e 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); -- 2.25.1