[PATCH 08/15] net: sun8i_emac: Drop unneeded cache invalidation before sending

[Andre Przywara]

There is no reason to invalidate a TX descriptor before we are setting
it up, as we will only write to a field.

Remove the not needed invalidate_dcache_range() call.

Signed-off-by: Andre Przywara <andre.przyw...@arm.com>
---
 drivers/net/sun8i_emac.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/sun8i_emac.c b/drivers/net/sun8i_emac.c
index 38c56bde70..b704ec47a3 100644
--- a/drivers/net/sun8i_emac.c
+++ b/drivers/net/sun8i_emac.c
@@ -624,9 +624,6 @@ static int sun8i_emac_eth_send(struct udevice *dev, void 
*packet, int length)
        uintptr_t data_end = data_start +
                roundup(length, ARCH_DMA_MINALIGN);
 
-       /* Invalidate entire buffer descriptor */
-       invalidate_dcache_range(desc_start, desc_end);
-
        desc_p->ctl_size = length | EMAC_DESC_CHAIN_SECOND;
 
        memcpy((void *)data_start, packet, length);
-- 
2.17.5