[PATCH net-next 1/4] net: ethernet: mtk_eth_soc: compile out netsys v2+ code on mt7621

[Felix Fietkau]

Avoid some branches in the hot path on low-end devices with limited CPU power,
and reduce code size

Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 0d5225f1d3ee..654897141869 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -1324,16 +1324,22 @@ extern const struct of_device_id of_mtk_match[];
 
 static inline bool mtk_is_netsys_v1(struct mtk_eth *eth)
 {
+	if (IS_ENABLED(CONFIG_SOC_MT7621))
+		return true;
 	return eth->soc->version == 1;
 }
 
 static inline bool mtk_is_netsys_v2_or_greater(struct mtk_eth *eth)
 {
+	if (IS_ENABLED(CONFIG_SOC_MT7621))
+		return false;
 	return eth->soc->version > 1;
 }
 
 static inline bool mtk_is_netsys_v3_or_greater(struct mtk_eth *eth)
 {
+	if (IS_ENABLED(CONFIG_SOC_MT7621))
+		return false;
 	return eth->soc->version > 2;
 }
 
-- 
2.47.0