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authorRussell King <rmk+kernel@armlinux.org.uk>2020-06-21 14:48:05 +0100
committerRussell King <rmk+kernel@armlinux.org.uk>2020-08-03 21:43:31 +0100
commit77c215dadb2b2fba0c799c8e83171cd21f04f782 (patch)
treecda478da960b08487fc9bc8f1171d099c03a6b99 /drivers
parent90168d0733a159d450cea14e3196ba27b39a52b5 (diff)
net: mtk_eth_soc: use resolved link config in mac_link_up()
Convert the mtk_eth_soc driver to use the finalised link parameters in mac_link_up() rather than the parameters in mac_config(). Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_soc.c45
1 files changed, 25 insertions, 20 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index a1c45b39a230..0870fe78ea38 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -353,29 +353,9 @@ static void mtk_mac_config(struct phylink_config *config, unsigned int mode,
/* Setup gmac */
mcr_cur = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id));
mcr_new = mcr_cur;
- mcr_new &= ~(MAC_MCR_SPEED_100 | MAC_MCR_SPEED_1000 |
- MAC_MCR_FORCE_DPX | MAC_MCR_FORCE_TX_FC |
- MAC_MCR_FORCE_RX_FC);
mcr_new |= MAC_MCR_MAX_RX_1536 | MAC_MCR_IPG_CFG | MAC_MCR_FORCE_MODE |
MAC_MCR_BACKOFF_EN | MAC_MCR_BACKPR_EN | MAC_MCR_FORCE_LINK;
- switch (state->speed) {
- case SPEED_2500:
- case SPEED_1000:
- mcr_new |= MAC_MCR_SPEED_1000;
- break;
- case SPEED_100:
- mcr_new |= MAC_MCR_SPEED_100;
- break;
- }
- if (state->duplex == DUPLEX_FULL) {
- mcr_new |= MAC_MCR_FORCE_DPX;
- if (state->pause & MLO_PAUSE_TX)
- mcr_new |= MAC_MCR_FORCE_TX_FC;
- if (state->pause & MLO_PAUSE_RX)
- mcr_new |= MAC_MCR_FORCE_RX_FC;
- }
-
/* Only update control register when needed! */
if (mcr_new != mcr_cur)
mtk_w32(mac->hw, mcr_new, MTK_MAC_MCR(mac->id));
@@ -452,6 +432,31 @@ static void mtk_mac_link_up(struct phylink_config *config,
phylink_config);
u32 mcr = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id));
+ mcr &= ~(MAC_MCR_SPEED_100 | MAC_MCR_SPEED_1000 |
+ MAC_MCR_FORCE_DPX | MAC_MCR_FORCE_TX_FC |
+ MAC_MCR_FORCE_RX_FC);
+
+ /* Configure speed */
+ switch (speed) {
+ case SPEED_2500:
+ case SPEED_1000:
+ mcr |= MAC_MCR_SPEED_1000;
+ break;
+ case SPEED_100:
+ mcr |= MAC_MCR_SPEED_100;
+ break;
+ }
+
+ /* Configure duplex */
+ if (duplex == DUPLEX_FULL)
+ mcr |= MAC_MCR_FORCE_DPX;
+
+ /* Configure pause modes - phylink will avoid these for half duplex */
+ if (tx_pause)
+ mcr |= MAC_MCR_FORCE_TX_FC;
+ if (rx_pause)
+ mcr |= MAC_MCR_FORCE_RX_FC;
+
mcr |= MAC_MCR_TX_EN | MAC_MCR_RX_EN;
mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id));
}