[PATCH net-next v2 02/11] net: stmmac: ingenic: simplify jz4775 mac_set_mode()
Russell King (Oracle)
rmk+kernel at armlinux.org.uk
Thu Nov 6 00:57:24 PST 2025
All paths configure the transmit clock as an input. Move this out of
the switch() statement to simplify the code.
Signed-off-by: Russell King (Oracle) <rmk+kernel at armlinux.org.uk>
---
.../net/ethernet/stmicro/stmmac/dwmac-ingenic.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c
index 8d0627055799..c6c82f277f62 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c
@@ -78,20 +78,17 @@ static int jz4775_mac_set_mode(struct plat_stmmacenet_data *plat_dat)
switch (plat_dat->phy_interface) {
case PHY_INTERFACE_MODE_MII:
- val = FIELD_PREP(MACPHYC_TXCLK_SEL_MASK, MACPHYC_TXCLK_SEL_INPUT) |
- FIELD_PREP(MACPHYC_PHY_INFT_MASK, MACPHYC_PHY_INFT_MII);
+ val = FIELD_PREP(MACPHYC_PHY_INFT_MASK, MACPHYC_PHY_INFT_MII);
dev_dbg(mac->dev, "MAC PHY Control Register: PHY_INTERFACE_MODE_MII\n");
break;
case PHY_INTERFACE_MODE_GMII:
- val = FIELD_PREP(MACPHYC_TXCLK_SEL_MASK, MACPHYC_TXCLK_SEL_INPUT) |
- FIELD_PREP(MACPHYC_PHY_INFT_MASK, MACPHYC_PHY_INFT_GMII);
+ val = FIELD_PREP(MACPHYC_PHY_INFT_MASK, MACPHYC_PHY_INFT_GMII);
dev_dbg(mac->dev, "MAC PHY Control Register: PHY_INTERFACE_MODE_GMII\n");
break;
case PHY_INTERFACE_MODE_RMII:
- val = FIELD_PREP(MACPHYC_TXCLK_SEL_MASK, MACPHYC_TXCLK_SEL_INPUT) |
- FIELD_PREP(MACPHYC_PHY_INFT_MASK, MACPHYC_PHY_INFT_RMII);
+ val = FIELD_PREP(MACPHYC_PHY_INFT_MASK, MACPHYC_PHY_INFT_RMII);
dev_dbg(mac->dev, "MAC PHY Control Register: PHY_INTERFACE_MODE_RMII\n");
break;
@@ -99,8 +96,7 @@ static int jz4775_mac_set_mode(struct plat_stmmacenet_data *plat_dat)
case PHY_INTERFACE_MODE_RGMII_ID:
case PHY_INTERFACE_MODE_RGMII_TXID:
case PHY_INTERFACE_MODE_RGMII_RXID:
- val = FIELD_PREP(MACPHYC_TXCLK_SEL_MASK, MACPHYC_TXCLK_SEL_INPUT) |
- FIELD_PREP(MACPHYC_PHY_INFT_MASK, MACPHYC_PHY_INFT_RGMII);
+ val = FIELD_PREP(MACPHYC_PHY_INFT_MASK, MACPHYC_PHY_INFT_RGMII);
dev_dbg(mac->dev, "MAC PHY Control Register: PHY_INTERFACE_MODE_RGMII\n");
break;
@@ -110,6 +106,8 @@ static int jz4775_mac_set_mode(struct plat_stmmacenet_data *plat_dat)
return -EINVAL;
}
+ val |= FIELD_PREP(MACPHYC_TXCLK_SEL_MASK, MACPHYC_TXCLK_SEL_INPUT);
+
/* Update MAC PHY control register */
return regmap_update_bits(mac->regmap, 0, mac->soc_info->mask, val);
}
--
2.47.3
More information about the linux-arm-kernel
mailing list