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

Message ID 20200706004046.20842-9-andre.przywara@arm.com
State Accepted
Commit eaeadb50ea4d65e6fdbde7224b089dca6a41ff1e
Headers show
Series net: sun8i-emac fixes and cleanups | expand

Commit Message

Andre Przywara July 6, 2020, 12:40 a.m. UTC
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 at arm.com>
 drivers/net/sun8i_emac.c | 3 ---
 1 file changed, 3 deletions(-)
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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);