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Merge branch 'contrib/github_pr_13560_v5.2' into 'release/v5.2'

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esp_eth: DP83848: correct link detection to use BMSR (GitHub PR) (v5.2)

See merge request espressif/esp-idf!30451
This commit is contained in:
Jiang Jiang Jian 2024-04-25 11:20:37 +08:00
commit d82d7039fc
1 changed files with 5 additions and 3 deletions
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8
components/esp_eth/src/esp_eth_phy_dp83848.c
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@ -77,13 +77,15 @@ static esp_err_t dp83848_update_link_duplex_speed(phy_dp83848_t *dp83848)
uint32_t peer_pause_ability = false;
anlpar_reg_t anlpar;
physts_reg_t physts;
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, addr, ETH_PHY_ANLPAR_REG_ADDR, &(anlpar.val)), err, TAG, "read ANLPAR failed");
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, addr, ETH_PHY_STS_REG_ADDR, &(physts.val)), err, TAG, "read PHYSTS failed");
eth_link_t link = physts.link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
bmsr_reg_t bmsr;
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, addr, ETH_PHY_BMSR_REG_ADDR, &(bmsr.val)), err, TAG, "read BMSR failed");
eth_link_t link = bmsr.link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
/* check if link status changed */
if (dp83848->phy_802_3.link_status != link) {
/* when link up, read negotiation result */
if (link == ETH_LINK_UP) {
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, addr, ETH_PHY_ANLPAR_REG_ADDR, &(anlpar.val)), err, TAG, "read ANLPAR failed");
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, addr, ETH_PHY_STS_REG_ADDR, &(physts.val)), err, TAG, "read PHYSTS failed");
if (physts.speed_status) {
speed = ETH_SPEED_10M;
} else {