From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/drivers/net/ethernet/freescale/fec_ptp.c | 45 +++++++++++++++++++++++----------------------
1 files changed, 23 insertions(+), 22 deletions(-)
diff --git a/kernel/drivers/net/ethernet/freescale/fec_ptp.c b/kernel/drivers/net/ethernet/freescale/fec_ptp.c
index 52a811f..c5ae673 100644
--- a/kernel/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/kernel/drivers/net/ethernet/freescale/fec_ptp.c
@@ -103,11 +103,6 @@
u64 ns;
val = 0;
- if (!(fep->hwts_tx_en || fep->hwts_rx_en)) {
- dev_err(&fep->pdev->dev, "No ptp stack is running\n");
- return -EINVAL;
- }
-
if (fep->pps_enable == enable)
return 0;
@@ -141,11 +136,7 @@
* NSEC_PER_SEC - ts.tv_nsec. Add the remaining nanoseconds
* to current timer would be next second.
*/
- tempval = readl(fep->hwp + FEC_ATIME_CTRL);
- tempval |= FEC_T_CTRL_CAPTURE;
- writel(tempval, fep->hwp + FEC_ATIME_CTRL);
-
- tempval = readl(fep->hwp + FEC_ATIME);
+ tempval = fep->cc.read(&fep->cc);
/* Convert the ptp local counter to 1588 timestamp */
ns = timecounter_cyc2time(&fep->tc, tempval);
ts = ns_to_timespec64(ns);
@@ -267,7 +258,7 @@
fep->cc.mult = FEC_CC_MULT;
/* reset the ns time counter */
- timecounter_init(&fep->tc, &fep->cc, ktime_to_ns(ktime_get_real()));
+ timecounter_init(&fep->tc, &fep->cc, 0);
spin_unlock_irqrestore(&fep->tmreg_lock, flags);
}
@@ -457,6 +448,18 @@
return -EOPNOTSUPP;
}
+/**
+ * fec_ptp_disable_hwts - disable hardware time stamping
+ * @ndev: pointer to net_device
+ */
+void fec_ptp_disable_hwts(struct net_device *ndev)
+{
+ struct fec_enet_private *fep = netdev_priv(ndev);
+
+ fep->hwts_tx_en = 0;
+ fep->hwts_rx_en = 0;
+}
+
int fec_ptp_set(struct net_device *ndev, struct ifreq *ifr)
{
struct fec_enet_private *fep = netdev_priv(ndev);
@@ -483,9 +486,7 @@
switch (config.rx_filter) {
case HWTSTAMP_FILTER_NONE:
- if (fep->hwts_rx_en)
- fep->hwts_rx_en = 0;
- config.rx_filter = HWTSTAMP_FILTER_NONE;
+ fep->hwts_rx_en = 0;
break;
default:
@@ -512,7 +513,7 @@
-EFAULT : 0;
}
-/**
+/*
* fec_time_keep - call timecounter_read every second to avoid timer overrun
* because ENET just support 32bit counter, will timeout in 4s
*/
@@ -520,13 +521,12 @@
{
struct delayed_work *dwork = to_delayed_work(work);
struct fec_enet_private *fep = container_of(dwork, struct fec_enet_private, time_keep);
- u64 ns;
unsigned long flags;
mutex_lock(&fep->ptp_clk_mutex);
if (fep->ptp_clk_on) {
spin_lock_irqsave(&fep->tmreg_lock, flags);
- ns = timecounter_read(&fep->tc);
+ timecounter_read(&fep->tc);
spin_unlock_irqrestore(&fep->tmreg_lock, flags);
}
mutex_unlock(&fep->ptp_clk_mutex);
@@ -567,7 +567,8 @@
/**
* fec_ptp_init
- * @ndev: The FEC network adapter
+ * @pdev: The FEC network adapter
+ * @irq_idx: the interrupt index
*
* This function performs the required steps for enabling ptp
* support. If ptp support has already been loaded it simply calls the
@@ -582,7 +583,7 @@
int ret;
fep->ptp_caps.owner = THIS_MODULE;
- snprintf(fep->ptp_caps.name, 16, "fec ptp");
+ strlcpy(fep->ptp_caps.name, "fec ptp", sizeof(fep->ptp_caps.name));
fep->ptp_caps.max_adj = 250000000;
fep->ptp_caps.n_alarm = 0;
@@ -609,9 +610,9 @@
INIT_DELAYED_WORK(&fep->time_keep, fec_time_keep);
- irq = platform_get_irq_byname(pdev, "pps");
+ irq = platform_get_irq_byname_optional(pdev, "pps");
if (irq < 0)
- irq = platform_get_irq(pdev, irq_idx);
+ irq = platform_get_irq_optional(pdev, irq_idx);
/* Failure to get an irq is not fatal,
* only the PTP_CLOCK_PPS clock events should stop
*/
@@ -626,7 +627,7 @@
fep->ptp_clock = ptp_clock_register(&fep->ptp_caps, &pdev->dev);
if (IS_ERR(fep->ptp_clock)) {
fep->ptp_clock = NULL;
- pr_err("ptp_clock_register failed\n");
+ dev_err(&pdev->dev, "ptp_clock_register failed\n");
}
schedule_delayed_work(&fep->time_keep, HZ);
--
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