[PATCH net-next v2 09/10] net: freescale: ucc_geth: Introduce a helper to check Reduced modes
From: Maxime Chevallier <maxime.chevallier@bootlin.com>
Date: 2024-11-14 15:36:14
Also in:
lkml, netdev
Subsystem:
freescale quicc engine ucc ethernet driver, networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
A number of parallel MII interfaces also exist in a "Reduced" mode, usually with higher clock rates and fewer data lines, to ease the hardware design. This is what the 'R' stands for in RGMII, RMII, RTBI, RXAUI, etc. The UCC Geth controller has a special configuration bit that needs to be set when the MII mode is one of the supported reduced modes. Add a local helper for that. Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> --- V2: New patch drivers/net/ethernet/freescale/ucc_geth.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c
index 15d05b270b6e..ace332d51aa8 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c@@ -1258,6 +1258,13 @@ static int init_min_frame_len(u16 min_frame_length, return 0; } +static bool phy_interface_mode_is_reduced(phy_interface_t interface) +{ + return phy_interface_mode_is_rgmii(interface) || + interface == PHY_INTERFACE_MODE_RMII || + interface == PHY_INTERFACE_MODE_RTBI; +} + static int adjust_enet_interface(struct ucc_geth_private *ugeth) { struct ucc_geth_info *ug_info;
@@ -1290,12 +1297,7 @@ static int adjust_enet_interface(struct ucc_geth_private *ugeth) upsmr = in_be32(&uf_regs->upsmr); upsmr &= ~(UCC_GETH_UPSMR_RPM | UCC_GETH_UPSMR_R10M | UCC_GETH_UPSMR_TBIM | UCC_GETH_UPSMR_RMM); - if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) || - (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) || - (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) || - (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) || - (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) || - (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) { + if (phy_interface_mode_is_reduced(ugeth->phy_interface)) { if (ugeth->phy_interface != PHY_INTERFACE_MODE_RMII) upsmr |= UCC_GETH_UPSMR_RPM; switch (ugeth->max_speed) {
@@ -1594,9 +1596,7 @@ static void ugeth_link_up(struct ucc_geth_private *ugeth, ~(MACCFG2_INTERFACE_MODE_MASK)) | MACCFG2_INTERFACE_MODE_NIBBLE); /* if reduced mode, re-set UPSMR.R10M */ - if (interface == PHY_INTERFACE_MODE_RMII || - phy_interface_mode_is_rgmii(interface) || - interface == PHY_INTERFACE_MODE_RTBI) { + if (phy_interface_mode_is_reduced(interface)) { if (speed == SPEED_10) upsmr |= UCC_GETH_UPSMR_R10M; else
--
2.47.0