gianfar: Enable eTSEC-106 erratum w/a for MPC8548E Rev2

Enable workaround for MPC8548E erratum eTSEC 106,
"Excess delays when transmitting TOE=1 large frames".
(see commit 53fad77375ce "gianfar: Enable eTSEC-20 erratum w/a
for P2020 Rev1")

This erratum was fixed in Rev 3.1.x.

Signed-off-by: Atsushi Nemoto <nemoto@toshiba-tops.co.jp>
Acked-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 2aa7b40..b9ecf19 100644 (file)
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -1111,8 +1111,10 @@ static void __gfar_detect_errata_85xx(struct gfar_private *priv)
 
        if ((SVR_SOC_VER(svr) == SVR_8548) && (SVR_REV(svr) == 0x20))
                priv->errata |= GFAR_ERRATA_12;
+       /* P2020/P1010 Rev 1; MPC8548 Rev 2 */
        if (((SVR_SOC_VER(svr) == SVR_P2020) && (SVR_REV(svr) < 0x20)) ||
-           ((SVR_SOC_VER(svr) == SVR_P2010) && (SVR_REV(svr) < 0x20)))
+           ((SVR_SOC_VER(svr) == SVR_P2010) && (SVR_REV(svr) < 0x20)) ||
+           ((SVR_SOC_VER(svr) == SVR_8548) && (SVR_REV(svr) < 0x31)))
                priv->errata |= GFAR_ERRATA_76; /* aka eTSEC 20 */
 }
 #endif