The R-Mobile A1 (R8A7740) SoC manual describes the Ether MAC's RX checksum
offload the same way as it's implemented in the EtherAVB MAC...

Signed-off-by: Sergei Shtylyov <sergei.shtyl...@cogentembedded.com>
Tested-by: Geert Uytterhoeven <geert+rene...@glider.be>

---
Changes in version 2:
- added Geert's tag.

 drivers/net/ethernet/renesas/sh_eth.c |    1 +
 1 file changed, 1 insertion(+)

Index: renesas/drivers/net/ethernet/renesas/sh_eth.c
===================================================================
--- renesas.orig/drivers/net/ethernet/renesas/sh_eth.c
+++ renesas/drivers/net/ethernet/renesas/sh_eth.c
@@ -670,6 +670,7 @@ static struct sh_eth_cpu_data r8a7740_da
        .no_ade         = 1,
        .xdfar_rw       = 1,
        .csmr           = 1,
+       .rx_csum        = 1,
        .tsu            = 1,
        .select_mii     = 1,
        .magic          = 1,

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