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From: Felix Fietkau <nbd@nbd.name>
Date: Thu, 27 Oct 2022 23:39:52 +0200
Subject: [PATCH] net: ethernet: mtk_eth_soc: compile out netsys v2 code
on mt7621
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@nbd.name>
---
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -917,7 +917,13 @@ enum mkt_eth_capabilities {
#define MTK_MUX_GMAC12_TO_GEPHY_SGMII \
(MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII | MTK_MUX)
-#define MTK_HAS_CAPS(caps, _x) (((caps) & (_x)) == (_x))
+#ifdef CONFIG_SOC_MT7621
+#define MTK_CAP_MASK MTK_NETSYS_V2
+#else
+#define MTK_CAP_MASK 0
+#endif
+
+#define MTK_HAS_CAPS(caps, _x) (((caps) & (_x) & ~(MTK_CAP_MASK)) == (_x))
#define MT7621_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | \
MTK_GMAC2_RGMII | MTK_SHARED_INT | \
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