From e5e4452190fd42838db4b11912bd8cd03fa61e08 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 05:22:58 +0200 Subject: Merging upstream version 6.1.85. Signed-off-by: Daniel Baumann --- drivers/net/phy/dp83822.c | 37 ++++++++++++++++++++----------------- drivers/net/phy/micrel.c | 31 ++++++++++++++++++++++++------- drivers/net/phy/phy_device.c | 6 +++--- 3 files changed, 47 insertions(+), 27 deletions(-) (limited to 'drivers/net/phy') diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c index 267e6fd3d..57411ee1d 100644 --- a/drivers/net/phy/dp83822.c +++ b/drivers/net/phy/dp83822.c @@ -380,7 +380,7 @@ static int dp83822_config_init(struct phy_device *phydev) { struct dp83822_private *dp83822 = phydev->priv; struct device *dev = &phydev->mdio.dev; - int rgmii_delay; + int rgmii_delay = 0; s32 rx_int_delay; s32 tx_int_delay; int err = 0; @@ -390,30 +390,33 @@ static int dp83822_config_init(struct phy_device *phydev) rx_int_delay = phy_get_internal_delay(phydev, dev, NULL, 0, true); - if (rx_int_delay <= 0) - rgmii_delay = 0; - else - rgmii_delay = DP83822_RX_CLK_SHIFT; + /* Set DP83822_RX_CLK_SHIFT to enable rx clk internal delay */ + if (rx_int_delay > 0) + rgmii_delay |= DP83822_RX_CLK_SHIFT; tx_int_delay = phy_get_internal_delay(phydev, dev, NULL, 0, false); + + /* Set DP83822_TX_CLK_SHIFT to disable tx clk internal delay */ if (tx_int_delay <= 0) - rgmii_delay &= ~DP83822_TX_CLK_SHIFT; - else rgmii_delay |= DP83822_TX_CLK_SHIFT; - if (rgmii_delay) { - err = phy_set_bits_mmd(phydev, DP83822_DEVADDR, - MII_DP83822_RCSR, rgmii_delay); - if (err) - return err; - } + err = phy_modify_mmd(phydev, DP83822_DEVADDR, MII_DP83822_RCSR, + DP83822_RX_CLK_SHIFT | DP83822_TX_CLK_SHIFT, rgmii_delay); + if (err) + return err; + + err = phy_set_bits_mmd(phydev, DP83822_DEVADDR, + MII_DP83822_RCSR, DP83822_RGMII_MODE_EN); - phy_set_bits_mmd(phydev, DP83822_DEVADDR, - MII_DP83822_RCSR, DP83822_RGMII_MODE_EN); + if (err) + return err; } else { - phy_clear_bits_mmd(phydev, DP83822_DEVADDR, - MII_DP83822_RCSR, DP83822_RGMII_MODE_EN); + err = phy_clear_bits_mmd(phydev, DP83822_DEVADDR, + MII_DP83822_RCSR, DP83822_RGMII_MODE_EN); + + if (err) + return err; } if (dp83822->fx_enabled) { diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 9481f1728..2cbb1d183 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -2188,6 +2188,7 @@ static int lan8814_hwtstamp(struct mii_timestamper *mii_ts, struct ifreq *ifr) struct hwtstamp_config config; int txcfg = 0, rxcfg = 0; int pkt_ts_enable; + int tx_mod; if (copy_from_user(&config, ifr->ifr_data, sizeof(config))) return -EFAULT; @@ -2237,9 +2238,14 @@ static int lan8814_hwtstamp(struct mii_timestamper *mii_ts, struct ifreq *ifr) lanphy_write_page_reg(ptp_priv->phydev, 5, PTP_RX_TIMESTAMP_EN, pkt_ts_enable); lanphy_write_page_reg(ptp_priv->phydev, 5, PTP_TX_TIMESTAMP_EN, pkt_ts_enable); - if (ptp_priv->hwts_tx_type == HWTSTAMP_TX_ONESTEP_SYNC) + tx_mod = lanphy_read_page_reg(ptp_priv->phydev, 5, PTP_TX_MOD); + if (ptp_priv->hwts_tx_type == HWTSTAMP_TX_ONESTEP_SYNC) { lanphy_write_page_reg(ptp_priv->phydev, 5, PTP_TX_MOD, - PTP_TX_MOD_TX_PTP_SYNC_TS_INSERT_); + tx_mod | PTP_TX_MOD_TX_PTP_SYNC_TS_INSERT_); + } else if (ptp_priv->hwts_tx_type == HWTSTAMP_TX_ON) { + lanphy_write_page_reg(ptp_priv->phydev, 5, PTP_TX_MOD, + tx_mod & ~PTP_TX_MOD_TX_PTP_SYNC_TS_INSERT_); + } if (config.rx_filter != HWTSTAMP_FILTER_NONE) lan8814_config_ts_intr(ptp_priv->phydev, true); @@ -2297,7 +2303,7 @@ static void lan8814_txtstamp(struct mii_timestamper *mii_ts, } } -static void lan8814_get_sig_rx(struct sk_buff *skb, u16 *sig) +static bool lan8814_get_sig_rx(struct sk_buff *skb, u16 *sig) { struct ptp_header *ptp_header; u32 type; @@ -2307,7 +2313,11 @@ static void lan8814_get_sig_rx(struct sk_buff *skb, u16 *sig) ptp_header = ptp_parse_header(skb, type); skb_pull_inline(skb, ETH_HLEN); + if (!ptp_header) + return false; + *sig = (__force u16)(ntohs(ptp_header->sequence_id)); + return true; } static bool lan8814_match_rx_ts(struct kszphy_ptp_priv *ptp_priv, @@ -2319,7 +2329,8 @@ static bool lan8814_match_rx_ts(struct kszphy_ptp_priv *ptp_priv, bool ret = false; u16 skb_sig; - lan8814_get_sig_rx(skb, &skb_sig); + if (!lan8814_get_sig_rx(skb, &skb_sig)) + return ret; /* Iterate over all RX timestamps and match it with the received skbs */ spin_lock_irqsave(&ptp_priv->rx_ts_lock, flags); @@ -2599,7 +2610,7 @@ static int lan8814_ptpci_adjfine(struct ptp_clock_info *ptpci, long scaled_ppm) return 0; } -static void lan8814_get_sig_tx(struct sk_buff *skb, u16 *sig) +static bool lan8814_get_sig_tx(struct sk_buff *skb, u16 *sig) { struct ptp_header *ptp_header; u32 type; @@ -2607,7 +2618,11 @@ static void lan8814_get_sig_tx(struct sk_buff *skb, u16 *sig) type = ptp_classify_raw(skb); ptp_header = ptp_parse_header(skb, type); + if (!ptp_header) + return false; + *sig = (__force u16)(ntohs(ptp_header->sequence_id)); + return true; } static void lan8814_dequeue_tx_skb(struct kszphy_ptp_priv *ptp_priv) @@ -2625,7 +2640,8 @@ static void lan8814_dequeue_tx_skb(struct kszphy_ptp_priv *ptp_priv) spin_lock_irqsave(&ptp_priv->tx_queue.lock, flags); skb_queue_walk_safe(&ptp_priv->tx_queue, skb, skb_tmp) { - lan8814_get_sig_tx(skb, &skb_sig); + if (!lan8814_get_sig_tx(skb, &skb_sig)) + continue; if (memcmp(&skb_sig, &seq_id, sizeof(seq_id))) continue; @@ -2669,7 +2685,8 @@ static bool lan8814_match_skb(struct kszphy_ptp_priv *ptp_priv, spin_lock_irqsave(&ptp_priv->rx_queue.lock, flags); skb_queue_walk_safe(&ptp_priv->rx_queue, skb, skb_tmp) { - lan8814_get_sig_rx(skb, &skb_sig); + if (!lan8814_get_sig_rx(skb, &skb_sig)) + continue; if (memcmp(&skb_sig, &rx_ts->seq_id, sizeof(rx_ts->seq_id))) continue; diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 944f76e6f..f25b0d338 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -2640,8 +2640,8 @@ EXPORT_SYMBOL(genphy_resume); int genphy_loopback(struct phy_device *phydev, bool enable) { if (enable) { - u16 val, ctl = BMCR_LOOPBACK; - int ret; + u16 ctl = BMCR_LOOPBACK; + int ret, val; ctl |= mii_bmcr_encode_fixed(phydev->speed, phydev->duplex); @@ -2893,7 +2893,7 @@ s32 phy_get_internal_delay(struct phy_device *phydev, struct device *dev, if (delay < 0) return delay; - if (delay && size == 0) + if (size == 0) return delay; if (delay < delay_values[0] || delay > delay_values[size - 1]) { -- cgit v1.2.3