target/linux/generic/backport-6.1/730-07-v6.3-net-ethernet-mtk_eth_soc-compile-out-netsys-v2-code-.patch

   1 From: Felix Fietkau <nbd@nbd.name>
   2 Date: Thu, 27 Oct 2022 23:39:52 +0200
   3 Subject: [PATCH] net: ethernet: mtk_eth_soc: compile out netsys v2 code
   4  on mt7621
   5
   6 Avoid some branches in the hot path on low-end devices with limited CPU power,
   7 and reduce code size
   8
   9 Signed-off-by: Felix Fietkau <nbd@nbd.name>
  10 ---
  11
  12 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
  13 +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
  14 @@ -921,7 +921,13 @@ enum mkt_eth_capabilities {
  15  #define MTK_MUX_GMAC12_TO_GEPHY_SGMII   \
  16         (MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII | MTK_MUX)
  17
  18 -#define MTK_HAS_CAPS(caps, _x)         (((caps) & (_x)) == (_x))
  19 +#ifdef CONFIG_SOC_MT7621
  20 +#define MTK_CAP_MASK MTK_NETSYS_V2
  21 +#else
  22 +#define MTK_CAP_MASK 0
  23 +#endif
  24 +
  25 +#define MTK_HAS_CAPS(caps, _x)         (((caps) & (_x) & ~(MTK_CAP_MASK)) == (_x))
  26
  27  #define MT7621_CAPS  (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | \
  28                       MTK_GMAC2_RGMII | MTK_SHARED_INT | \