2022-11-09 16:54:53

by Felix Fietkau

[permalink] [raw]
Subject: [PATCH net-next v2 07/12] 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 <[email protected]>
---
drivers/net/ethernet/mediatek/mtk_eth_soc.h | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index c6a39a249fb5..146437ca044b 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -905,7 +905,13 @@ 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 | \
--
2.38.1