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Message-ID: <20250718185628.4038779-3-Raju.Rangoju@amd.com>
Date: Sat, 19 Jul 2025 00:26:28 +0530
From: Raju Rangoju <Raju.Rangoju@....com>
To: <netdev@...r.kernel.org>
CC: <andrew+netdev@...n.ch>, <davem@...emloft.net>, <edumazet@...gle.com>,
<kuba@...nel.org>, <pabeni@...hat.com>, <richardcochran@...il.com>,
<Shyam-sundar.S-k@....com>, Raju Rangoju <Raju.Rangoju@....com>
Subject: [PATCH net-next v3 2/2] amd-xgbe: add hardware PTP timestamping support
Adds complete support for hardware-based PTP (IEEE 1588)
timestamping to the AMD XGBE driver.
- Initialize and configure the MAC PTP registers based on link
speed and reference clock.
- Support both 50MHz and 125MHz PTP reference clocks.
- Update the driver interface and version data to support PTP
clock frequency selection.
Signed-off-by: Raju Rangoju <Raju.Rangoju@....com>
---
drivers/net/ethernet/amd/xgbe/xgbe-common.h | 10 ++
drivers/net/ethernet/amd/xgbe/xgbe-drv.c | 9 +-
drivers/net/ethernet/amd/xgbe/xgbe-hwtstamp.c | 148 ++++++++++++++----
drivers/net/ethernet/amd/xgbe/xgbe-pci.c | 2 +
drivers/net/ethernet/amd/xgbe/xgbe-ptp.c | 73 ++++-----
drivers/net/ethernet/amd/xgbe/xgbe.h | 23 ++-
6 files changed, 179 insertions(+), 86 deletions(-)
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h
index e54e3e36d3f9..009fbc9b11ce 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-common.h
@@ -223,6 +223,10 @@
#define MAC_TSSR 0x0d20
#define MAC_TXSNR 0x0d30
#define MAC_TXSSR 0x0d34
+#define MAC_TICNR 0x0d58
+#define MAC_TICSNR 0x0d5C
+#define MAC_TECNR 0x0d60
+#define MAC_TECSNR 0x0d64
#define MAC_QTFCR_INC 4
#define MAC_MACA_INC 4
@@ -428,6 +432,8 @@
#define MAC_TSCR_SNAPTYPSEL_WIDTH 2
#define MAC_TSCR_TSADDREG_INDEX 5
#define MAC_TSCR_TSADDREG_WIDTH 1
+#define MAC_TSCR_TSUPDT_INDEX 3
+#define MAC_TSCR_TSUPDT_WIDTH 1
#define MAC_TSCR_TSCFUPDT_INDEX 1
#define MAC_TSCR_TSCFUPDT_WIDTH 1
#define MAC_TSCR_TSCTRLSSR_INDEX 9
@@ -456,6 +462,10 @@
#define MAC_TSSR_TXTSC_WIDTH 1
#define MAC_TXSNR_TXTSSTSMIS_INDEX 31
#define MAC_TXSNR_TXTSSTSMIS_WIDTH 1
+#define MAC_TICSNR_TSICSNS_INDEX 8
+#define MAC_TICSNR_TSICSNS_WIDTH 8
+#define MAC_TECSNR_TSECSNS_INDEX 8
+#define MAC_TECSNR_TSECSNS_WIDTH 8
#define MAC_VLANHTR_VLHT_INDEX 0
#define MAC_VLANHTR_VLHT_WIDTH 16
#define MAC_VLANIR_VLTI_INDEX 20
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
index 20d688a1962c..2e9b95a94f89 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
@@ -1583,6 +1583,9 @@ static int xgbe_open(struct net_device *netdev)
INIT_WORK(&pdata->stopdev_work, xgbe_stopdev);
INIT_WORK(&pdata->tx_tstamp_work, xgbe_tx_tstamp);
+ /* Initialize PTP timestamping and clock. */
+ xgbe_init_ptp(pdata);
+
ret = xgbe_alloc_memory(pdata);
if (ret)
goto err_ptpclk;
@@ -2353,12 +2356,8 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget)
if (XGMAC_GET_BITS(packet->attributes,
RX_PACKET_ATTRIBUTES, RX_TSTAMP)) {
- u64 nsec;
-
- nsec = timecounter_cyc2time(&pdata->tstamp_tc,
- packet->rx_tstamp);
hwtstamps = skb_hwtstamps(skb);
- hwtstamps->hwtstamp = ns_to_ktime(nsec);
+ hwtstamps->hwtstamp = ns_to_ktime(packet->rx_tstamp);
}
if (XGMAC_GET_BITS(packet->attributes,
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-hwtstamp.c b/drivers/net/ethernet/amd/xgbe/xgbe-hwtstamp.c
index 3ee641a7ebaf..bc52e5ec6420 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-hwtstamp.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-hwtstamp.c
@@ -10,6 +10,30 @@
#include "xgbe.h"
#include "xgbe-common.h"
+void xgbe_update_tstamp_time(struct xgbe_prv_data *pdata,
+ unsigned int sec, unsigned int nsec)
+{
+ int count;
+
+ /* Set the time values and tell the device */
+ XGMAC_IOWRITE(pdata, MAC_STSUR, sec);
+ XGMAC_IOWRITE(pdata, MAC_STNUR, nsec);
+
+ /* issue command to update the system time value */
+ XGMAC_IOWRITE(pdata, MAC_TSCR,
+ XGMAC_IOREAD(pdata, MAC_TSCR) |
+ (1 << MAC_TSCR_TSUPDT_INDEX));
+
+ /* Wait for the time adjust/update to complete */
+ count = 10000;
+ while (--count && XGMAC_IOREAD_BITS(pdata, MAC_TSCR, TSUPDT))
+ udelay(5);
+
+ if (count < 0)
+ netdev_err(pdata->netdev,
+ "timed out updating system timestamp\n");
+}
+
void xgbe_update_tstamp_addend(struct xgbe_prv_data *pdata,
unsigned int addend)
{
@@ -88,8 +112,8 @@ void xgbe_get_rx_tstamp(struct xgbe_packet_data *packet,
if (XGMAC_GET_BITS_LE(rdesc->desc3, RX_CONTEXT_DESC3, TSA) &&
!XGMAC_GET_BITS_LE(rdesc->desc3, RX_CONTEXT_DESC3, TSD)) {
nsec = le32_to_cpu(rdesc->desc1);
- nsec <<= 32;
- nsec |= le32_to_cpu(rdesc->desc0);
+ nsec *= NSEC_PER_SEC;
+ nsec += le32_to_cpu(rdesc->desc0);
if (nsec != 0xffffffffffffffffULL) {
packet->rx_tstamp = nsec;
XGMAC_SET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES,
@@ -98,34 +122,13 @@ void xgbe_get_rx_tstamp(struct xgbe_packet_data *packet,
}
}
-int xgbe_config_tstamp(struct xgbe_prv_data *pdata, unsigned int mac_tscr)
+void xgbe_config_tstamp(struct xgbe_prv_data *pdata, unsigned int mac_tscr)
{
- /* Set one nano-second accuracy */
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSCTRLSSR, 1);
-
- /* Set fine timestamp update */
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSCFUPDT, 1);
-
- /* Overwrite earlier timestamps */
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TXTSSTSM, 1);
-
- XGMAC_IOWRITE(pdata, MAC_TSCR, mac_tscr);
-
- /* Exit if timestamping is not enabled */
- if (!XGMAC_GET_BITS(mac_tscr, MAC_TSCR, TSENA))
- return 0;
-
- /* Initialize time registers */
- XGMAC_IOWRITE_BITS(pdata, MAC_SSIR, SSINC, XGBE_TSTAMP_SSINC);
- XGMAC_IOWRITE_BITS(pdata, MAC_SSIR, SNSINC, XGBE_TSTAMP_SNSINC);
- xgbe_update_tstamp_addend(pdata, pdata->tstamp_addend);
- xgbe_set_tstamp_time(pdata, 0, 0);
-
- /* Initialize the timecounter */
- timecounter_init(&pdata->tstamp_tc, &pdata->tstamp_cc,
- ktime_to_ns(ktime_get_real()));
+ unsigned int value = 0;
- return 0;
+ value = XGMAC_IOREAD(pdata, MAC_TSCR);
+ value |= mac_tscr;
+ XGMAC_IOWRITE(pdata, MAC_TSCR, value);
}
void xgbe_tx_tstamp(struct work_struct *work)
@@ -135,18 +138,14 @@ void xgbe_tx_tstamp(struct work_struct *work)
tx_tstamp_work);
struct skb_shared_hwtstamps hwtstamps;
unsigned long flags;
- u64 nsec;
spin_lock_irqsave(&pdata->tstamp_lock, flags);
if (!pdata->tx_tstamp_skb)
goto unlock;
if (pdata->tx_tstamp) {
- nsec = timecounter_cyc2time(&pdata->tstamp_tc,
- pdata->tx_tstamp);
-
memset(&hwtstamps, 0, sizeof(hwtstamps));
- hwtstamps.hwtstamp = ns_to_ktime(nsec);
+ hwtstamps.hwtstamp = ns_to_ktime(pdata->tx_tstamp);
skb_tstamp_tx(pdata->tx_tstamp_skb, &hwtstamps);
}
@@ -317,3 +316,86 @@ void xgbe_prep_tx_tstamp(struct xgbe_prv_data *pdata,
skb_tx_timestamp(skb);
}
+
+int xgbe_init_ptp(struct xgbe_prv_data *pdata)
+{
+ unsigned int mac_tscr = 0;
+ struct timespec64 now;
+ u64 dividend;
+
+ /* Register Settings to be done based on the link speed. */
+ switch (pdata->phy.speed) {
+ case SPEED_1000:
+ XGMAC_IOWRITE(pdata, MAC_TICNR, MAC_TICNR_1G_INITVAL);
+ XGMAC_IOWRITE(pdata, MAC_TECNR, MAC_TECNR_1G_INITVAL);
+ break;
+ case SPEED_2500:
+ case SPEED_10000:
+ XGMAC_IOWRITE_BITS(pdata, MAC_TICSNR, TSICSNS,
+ MAC_TICSNR_10G_INITVAL);
+ XGMAC_IOWRITE(pdata, MAC_TECNR, MAC_TECNR_10G_INITVAL);
+ XGMAC_IOWRITE_BITS(pdata, MAC_TECSNR, TSECSNS,
+ MAC_TECSNR_10G_INITVAL);
+ break;
+ case SPEED_UNKNOWN:
+ default:
+ break;
+ }
+
+ /* Enable IEEE1588 PTP clock. */
+ XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSENA, 1);
+
+ /* Overwrite earlier timestamps */
+ XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TXTSSTSM, 1);
+
+ /* Set one nano-second accuracy */
+ XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSCTRLSSR, 1);
+
+ /* Set fine timestamp update */
+ XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSCFUPDT, 1);
+
+ xgbe_config_tstamp(pdata, mac_tscr);
+
+ /* Exit if timestamping is not enabled */
+ if (!XGMAC_GET_BITS(mac_tscr, MAC_TSCR, TSENA))
+ return -EOPNOTSUPP;
+
+ if (pdata->vdata->tstamp_ptp_clock_freq) {
+ /* Initialize time registers based on
+ * 125MHz PTP Clock Frequency
+ */
+ XGMAC_IOWRITE_BITS(pdata, MAC_SSIR, SSINC,
+ XGBE_V2_TSTAMP_SSINC);
+ XGMAC_IOWRITE_BITS(pdata, MAC_SSIR, SNSINC,
+ XGBE_V2_TSTAMP_SNSINC);
+ } else {
+ /* Initialize time registers based on
+ * 50MHz PTP Clock Frequency
+ */
+ XGMAC_IOWRITE_BITS(pdata, MAC_SSIR, SSINC, XGBE_TSTAMP_SSINC);
+ XGMAC_IOWRITE_BITS(pdata, MAC_SSIR, SNSINC, XGBE_TSTAMP_SNSINC);
+ }
+
+ /* Calculate the addend:
+ * addend = 2^32 / (PTP ref clock / (PTP clock based on SSINC))
+ * = (2^32 * (PTP clock based on SSINC)) / PTP ref clock
+ */
+ if (pdata->vdata->tstamp_ptp_clock_freq)
+ dividend = XGBE_V2_PTP_ACT_CLK_FREQ;
+ else
+ dividend = XGBE_PTP_ACT_CLK_FREQ;
+
+ dividend = (u64)(dividend << 32);
+ pdata->tstamp_addend = div_u64(dividend, pdata->ptpclk_rate);
+
+ xgbe_update_tstamp_addend(pdata, pdata->tstamp_addend);
+
+ dma_wmb();
+ /* initialize system time */
+ ktime_get_real_ts64(&now);
+
+ /* lower 32 bits of tv_sec are safe until y2106 */
+ xgbe_set_tstamp_time(pdata, (u32)now.tv_sec, now.tv_nsec);
+
+ return 0;
+}
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
index 097ec5e4f261..e3e1dca9856a 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
@@ -414,6 +414,7 @@ static struct xgbe_version_data xgbe_v2a = {
.tx_max_fifo_size = 229376,
.rx_max_fifo_size = 229376,
.tx_tstamp_workaround = 1,
+ .tstamp_ptp_clock_freq = 1,
.ecc_support = 1,
.i2c_support = 1,
.irq_reissue_support = 1,
@@ -430,6 +431,7 @@ static struct xgbe_version_data xgbe_v2b = {
.tx_max_fifo_size = 65536,
.rx_max_fifo_size = 65536,
.tx_tstamp_workaround = 1,
+ .tstamp_ptp_clock_freq = 1,
.ecc_support = 1,
.i2c_support = 1,
.irq_reissue_support = 1,
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c b/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c
index 3b8b4de8f91f..3658afc7801d 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c
@@ -13,18 +13,6 @@
#include "xgbe.h"
#include "xgbe-common.h"
-static u64 xgbe_cc_read(const struct cyclecounter *cc)
-{
- struct xgbe_prv_data *pdata = container_of(cc,
- struct xgbe_prv_data,
- tstamp_cc);
- u64 nsec;
-
- nsec = xgbe_get_tstamp_time(pdata);
-
- return nsec;
-}
-
static int xgbe_adjfine(struct ptp_clock_info *info, long scaled_ppm)
{
struct xgbe_prv_data *pdata = container_of(info,
@@ -49,16 +37,39 @@ static int xgbe_adjtime(struct ptp_clock_info *info, s64 delta)
struct xgbe_prv_data *pdata = container_of(info,
struct xgbe_prv_data,
ptp_clock_info);
+ unsigned int neg_adjust = 0;
+ unsigned int sec, nsec;
+ u32 quotient, reminder;
unsigned long flags;
+ if (delta < 0) {
+ neg_adjust = 1;
+ delta = -delta;
+ }
+
+ quotient = div_u64_rem(delta, 1000000000ULL, &reminder);
+ sec = quotient;
+ nsec = reminder;
+
+ /* Negative adjustment for Hw timer register. */
+ if (neg_adjust) {
+ sec = -sec;
+ if (XGMAC_IOREAD_BITS(pdata, MAC_TSCR, TSCTRLSSR))
+ nsec = (1000000000UL - nsec);
+ else
+ nsec = (0x80000000UL - nsec);
+ }
+ nsec = (neg_adjust << 31) | nsec;
+
spin_lock_irqsave(&pdata->tstamp_lock, flags);
- timecounter_adjtime(&pdata->tstamp_tc, delta);
+ xgbe_update_tstamp_time(pdata, sec, nsec);
spin_unlock_irqrestore(&pdata->tstamp_lock, flags);
return 0;
}
-static int xgbe_gettime(struct ptp_clock_info *info, struct timespec64 *ts)
+static int xgbe_gettimex(struct ptp_clock_info *info, struct timespec64 *ts,
+ struct ptp_system_timestamp *sts)
{
struct xgbe_prv_data *pdata = container_of(info,
struct xgbe_prv_data,
@@ -67,9 +78,9 @@ static int xgbe_gettime(struct ptp_clock_info *info, struct timespec64 *ts)
u64 nsec;
spin_lock_irqsave(&pdata->tstamp_lock, flags);
-
- nsec = timecounter_read(&pdata->tstamp_tc);
-
+ ptp_read_system_prets(sts);
+ nsec = xgbe_get_tstamp_time(pdata);
+ ptp_read_system_postts(sts);
spin_unlock_irqrestore(&pdata->tstamp_lock, flags);
*ts = ns_to_timespec64(nsec);
@@ -84,14 +95,9 @@ static int xgbe_settime(struct ptp_clock_info *info,
struct xgbe_prv_data,
ptp_clock_info);
unsigned long flags;
- u64 nsec;
-
- nsec = timespec64_to_ns(ts);
spin_lock_irqsave(&pdata->tstamp_lock, flags);
-
- timecounter_init(&pdata->tstamp_tc, &pdata->tstamp_cc, nsec);
-
+ xgbe_set_tstamp_time(pdata, ts->tv_sec, ts->tv_nsec);
spin_unlock_irqrestore(&pdata->tstamp_lock, flags);
return 0;
@@ -107,8 +113,6 @@ void xgbe_ptp_register(struct xgbe_prv_data *pdata)
{
struct ptp_clock_info *info = &pdata->ptp_clock_info;
struct ptp_clock *clock;
- struct cyclecounter *cc = &pdata->tstamp_cc;
- u64 dividend;
snprintf(info->name, sizeof(info->name), "%s",
netdev_name(pdata->netdev));
@@ -116,7 +120,7 @@ void xgbe_ptp_register(struct xgbe_prv_data *pdata)
info->max_adj = pdata->ptpclk_rate;
info->adjfine = xgbe_adjfine;
info->adjtime = xgbe_adjtime;
- info->gettime64 = xgbe_gettime;
+ info->gettimex64 = xgbe_gettimex;
info->settime64 = xgbe_settime;
info->enable = xgbe_enable;
@@ -128,23 +132,6 @@ void xgbe_ptp_register(struct xgbe_prv_data *pdata)
pdata->ptp_clock = clock;
- /* Calculate the addend:
- * addend = 2^32 / (PTP ref clock / 50Mhz)
- * = (2^32 * 50Mhz) / PTP ref clock
- */
- dividend = 50000000;
- dividend <<= 32;
- pdata->tstamp_addend = div_u64(dividend, pdata->ptpclk_rate);
-
- /* Setup the timecounter */
- cc->read = xgbe_cc_read;
- cc->mask = CLOCKSOURCE_MASK(64);
- cc->mult = 1;
- cc->shift = 0;
-
- timecounter_init(&pdata->tstamp_tc, &pdata->tstamp_cc,
- ktime_to_ns(ktime_get_real()));
-
/* Disable all timestamping to start */
XGMAC_IOWRITE(pdata, MAC_TSCR, 0);
pdata->tstamp_config.tx_type = HWTSTAMP_TX_OFF;
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h
index 2341c7d213a7..d7e03e292ec4 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe.h
@@ -119,6 +119,14 @@
#define XGBE_MSI_BASE_COUNT 4
#define XGBE_MSI_MIN_COUNT (XGBE_MSI_BASE_COUNT + 1)
+/* Initial PTP register values based on Link Speed. */
+#define MAC_TICNR_1G_INITVAL 0x10
+#define MAC_TECNR_1G_INITVAL 0x28
+
+#define MAC_TICSNR_10G_INITVAL 0x33
+#define MAC_TECNR_10G_INITVAL 0x14
+#define MAC_TECSNR_10G_INITVAL 0xCC
+
/* PCI clock frequencies */
#define XGBE_V2_DMA_CLOCK_FREQ 500000000 /* 500 MHz */
#define XGBE_V2_PTP_CLOCK_FREQ 125000000 /* 125 MHz */
@@ -128,6 +136,11 @@
*/
#define XGBE_TSTAMP_SSINC 20
#define XGBE_TSTAMP_SNSINC 0
+#define XGBE_PTP_ACT_CLK_FREQ 500000000
+
+#define XGBE_V2_TSTAMP_SSINC 0xA
+#define XGBE_V2_TSTAMP_SNSINC 0
+#define XGBE_V2_PTP_ACT_CLK_FREQ 1000000000
/* Driver PMT macros */
#define XGMAC_DRIVER_CONTEXT 1
@@ -938,6 +951,7 @@ struct xgbe_version_data {
unsigned int tx_max_fifo_size;
unsigned int rx_max_fifo_size;
unsigned int tx_tstamp_workaround;
+ unsigned int tstamp_ptp_clock_freq;
unsigned int ecc_support;
unsigned int i2c_support;
unsigned int irq_reissue_support;
@@ -1123,8 +1137,6 @@ struct xgbe_prv_data {
struct ptp_clock_info ptp_clock_info;
struct ptp_clock *ptp_clock;
struct hwtstamp_config tstamp_config;
- struct cyclecounter tstamp_cc;
- struct timecounter tstamp_tc;
unsigned int tstamp_addend;
struct work_struct tx_tstamp_work;
struct sk_buff *tx_tstamp_skb;
@@ -1270,7 +1282,7 @@ void xgbe_restart_dev(struct xgbe_prv_data *pdata);
void xgbe_full_restart_dev(struct xgbe_prv_data *pdata);
/* For Timestamp config */
-int xgbe_config_tstamp(struct xgbe_prv_data *pdata, unsigned int mac_tscr);
+void xgbe_config_tstamp(struct xgbe_prv_data *pdata, unsigned int mac_tscr);
u64 xgbe_get_tstamp_time(struct xgbe_prv_data *pdata);
u64 xgbe_get_tx_tstamp(struct xgbe_prv_data *pdata);
void xgbe_get_rx_tstamp(struct xgbe_packet_data *packet,
@@ -1281,7 +1293,6 @@ void xgbe_update_tstamp_addend(struct xgbe_prv_data *pdata,
unsigned int addend);
void xgbe_set_tstamp_time(struct xgbe_prv_data *pdata, unsigned int sec,
unsigned int nsec);
-int xgbe_config_tstamp(struct xgbe_prv_data *pdata, unsigned int mac_tscr);
void xgbe_tx_tstamp(struct work_struct *work);
int xgbe_get_hwtstamp_settings(struct xgbe_prv_data *pdata,
struct ifreq *ifreq);
@@ -1290,7 +1301,9 @@ int xgbe_set_hwtstamp_settings(struct xgbe_prv_data *pdata,
void xgbe_prep_tx_tstamp(struct xgbe_prv_data *pdata,
struct sk_buff *skb,
struct xgbe_packet_data *packet);
-
+int xgbe_init_ptp(struct xgbe_prv_data *pdata);
+void xgbe_update_tstamp_time(struct xgbe_prv_data *pdata, unsigned int sec,
+ unsigned int nsec);
#ifdef CONFIG_DEBUG_FS
void xgbe_debugfs_init(struct xgbe_prv_data *);
void xgbe_debugfs_exit(struct xgbe_prv_data *);
--
2.34.1
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