[U-Boot] [PATCH 2/2] net: zynq_gem: Dont flush dummy descriptors

[Michal Simek]

From: Siva Durga Prasad Paladugu <siva.durga.paladugu at 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 at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at 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, &regs->transmit_q1_ptr);
 		writel((ulong)dummy_rx_bd, &regs->receive_q1_ptr);
-- 
1.9.1