[PATCH 4/7] [DSA] add support for GMAC2 wired to ext

[Frank Wunderlich]

based on
https://github.com/openwrt/openwrt/blob/master/target/linux/mediatek/patches-4.14/0032-net-dsa-mediatek-add-support-for-GMAC2-wired-to-ext-.patch
Signed-off-by: Frank Wunderlich <fran...@public-files.de>
---
 drivers/net/dsa/mt7530.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index a5de9bffe5be..a6a15a063e3e 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -1277,6 +1277,11 @@ mt7530_setup(struct dsa_switch *ds)
        val = mt7530_read(priv, MT7530_MHWTRAP);
        val &= ~MHWTRAP_P6_DIS & ~MHWTRAP_PHY_ACCESS;
        val |= MHWTRAP_MANUAL;
+       if (!dsa_is_cpu_port(ds, 5)) {
+               val |= MHWTRAP_P5_DIS;
+               val |= MHWTRAP_P5_MAC_SEL;
+               val |= MHWTRAP_P5_RGMII_MODE;
+       }
        mt7530_write(priv, MT7530_MHWTRAP, val);
 
        /* Enable and reset MIB counters */
-- 
2.17.1