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path: root/drivers/net/phy/micrel.c
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Diffstat (limited to 'drivers/net/phy/micrel.c')
-rw-r--r--drivers/net/phy/micrel.c76
1 files changed, 47 insertions, 29 deletions
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index ca2db4adc..1f950c824 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -2006,7 +2006,7 @@ static int kszphy_probe(struct phy_device *phydev)
kszphy_parse_led_mode(phydev);
- clk = devm_clk_get(&phydev->mdio.dev, "rmii-ref");
+ clk = devm_clk_get_optional_enabled(&phydev->mdio.dev, "rmii-ref");
/* NOTE: clk may be NULL if building without CONFIG_HAVE_CLK */
if (!IS_ERR_OR_NULL(clk)) {
unsigned long rate = clk_get_rate(clk);
@@ -2026,6 +2026,11 @@ static int kszphy_probe(struct phy_device *phydev)
rate);
return -EINVAL;
}
+ } else if (!clk) {
+ /* unnamed clock from the generic ethernet-phy binding */
+ clk = devm_clk_get_optional_enabled(&phydev->mdio.dev, NULL);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
}
if (ksz8041_fiber_mode(phydev))
@@ -2400,24 +2405,23 @@ static void lan8814_flush_fifo(struct phy_device *phydev, bool egress)
lanphy_read_page_reg(phydev, 5, PTP_TSU_INT_STS);
}
-static int lan8814_hwtstamp(struct mii_timestamper *mii_ts, struct ifreq *ifr)
+static int lan8814_hwtstamp(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *config,
+ struct netlink_ext_ack *extack)
{
struct kszphy_ptp_priv *ptp_priv =
container_of(mii_ts, struct kszphy_ptp_priv, mii_ts);
struct phy_device *phydev = ptp_priv->phydev;
struct lan8814_shared_priv *shared = phydev->shared->priv;
struct lan8814_ptp_rx_ts *rx_ts, *tmp;
- 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;
+ ptp_priv->hwts_tx_type = config->tx_type;
+ ptp_priv->rx_filter = config->rx_filter;
- ptp_priv->hwts_tx_type = config.tx_type;
- ptp_priv->rx_filter = config.rx_filter;
-
- switch (config.rx_filter) {
+ switch (config->rx_filter) {
case HWTSTAMP_FILTER_NONE:
ptp_priv->layer = 0;
ptp_priv->version = 0;
@@ -2459,17 +2463,22 @@ 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,
+ 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,
- PTP_TX_MOD_TX_PTP_SYNC_TS_INSERT_);
+ tx_mod & ~PTP_TX_MOD_TX_PTP_SYNC_TS_INSERT_);
+ }
- if (config.rx_filter != HWTSTAMP_FILTER_NONE)
+ if (config->rx_filter != HWTSTAMP_FILTER_NONE)
lan8814_config_ts_intr(ptp_priv->phydev, true);
else
lan8814_config_ts_intr(ptp_priv->phydev, false);
mutex_lock(&shared->shared_lock);
- if (config.rx_filter != HWTSTAMP_FILTER_NONE)
+ if (config->rx_filter != HWTSTAMP_FILTER_NONE)
shared->ref++;
else
shared->ref--;
@@ -2493,7 +2502,7 @@ static int lan8814_hwtstamp(struct mii_timestamper *mii_ts, struct ifreq *ifr)
lan8814_flush_fifo(ptp_priv->phydev, false);
lan8814_flush_fifo(ptp_priv->phydev, true);
- return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ? -EFAULT : 0;
+ return 0;
}
static void lan8814_txtstamp(struct mii_timestamper *mii_ts,
@@ -2519,7 +2528,7 @@ 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;
@@ -2529,7 +2538,11 @@ 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_skb(struct kszphy_ptp_priv *ptp_priv,
@@ -2541,7 +2554,8 @@ static bool lan8814_match_rx_skb(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);
@@ -2821,7 +2835,7 @@ 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;
@@ -2829,7 +2843,11 @@ 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_match_tx_skb(struct kszphy_ptp_priv *ptp_priv,
@@ -2843,7 +2861,8 @@ static void lan8814_match_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;
@@ -2897,7 +2916,8 @@ 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;
@@ -3718,21 +3738,19 @@ static void lan8841_ptp_enable_processing(struct kszphy_ptp_priv *ptp_priv,
#define LAN8841_PTP_TX_TIMESTAMP_EN 443
#define LAN8841_PTP_TX_MOD 445
-static int lan8841_hwtstamp(struct mii_timestamper *mii_ts, struct ifreq *ifr)
+static int lan8841_hwtstamp(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *config,
+ struct netlink_ext_ack *extack)
{
struct kszphy_ptp_priv *ptp_priv = container_of(mii_ts, struct kszphy_ptp_priv, mii_ts);
struct phy_device *phydev = ptp_priv->phydev;
- struct hwtstamp_config config;
int txcfg = 0, rxcfg = 0;
int pkt_ts_enable;
- if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
- return -EFAULT;
-
- ptp_priv->hwts_tx_type = config.tx_type;
- ptp_priv->rx_filter = config.rx_filter;
+ ptp_priv->hwts_tx_type = config->tx_type;
+ ptp_priv->rx_filter = config->rx_filter;
- switch (config.rx_filter) {
+ switch (config->rx_filter) {
case HWTSTAMP_FILTER_NONE:
ptp_priv->layer = 0;
ptp_priv->version = 0;
@@ -3786,13 +3804,13 @@ static int lan8841_hwtstamp(struct mii_timestamper *mii_ts, struct ifreq *ifr)
/* Now enable/disable the timestamping */
lan8841_ptp_enable_processing(ptp_priv,
- config.rx_filter != HWTSTAMP_FILTER_NONE);
+ config->rx_filter != HWTSTAMP_FILTER_NONE);
skb_queue_purge(&ptp_priv->tx_queue);
lan8841_ptp_flush_fifo(ptp_priv);
- return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ? -EFAULT : 0;
+ return 0;
}
static bool lan8841_rxtstamp(struct mii_timestamper *mii_ts,
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-02 06:31:14 +0000