net: sun8i_emac: Drop unneeded cache invalidation before sending
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.przywara@arm.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Tested-by: Amit Singh Tomar <amittomer25@gmail.com> # Pine64+
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/drivers/net/sun8i_emac.c b/drivers/net/sun8i_emac.c
index 335c85f..45130e1 100644
--- a/drivers/net/sun8i_emac.c
+++ b/drivers/net/sun8i_emac.c
@@ -624,9 +624,6 @@
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);