From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/drivers/net/ethernet/intel/e1000e/ptp.c | 23 +++++++++++++++--------
1 files changed, 15 insertions(+), 8 deletions(-)
diff --git a/kernel/drivers/net/ethernet/intel/e1000e/ptp.c b/kernel/drivers/net/ethernet/intel/e1000e/ptp.c
index e1f821e..f3f6713 100644
--- a/kernel/drivers/net/ethernet/intel/e1000e/ptp.c
+++ b/kernel/drivers/net/ethernet/intel/e1000e/ptp.c
@@ -144,7 +144,7 @@
/**
* e1000e_phc_getsynctime - Reads the current system/device cross timestamp
* @ptp: ptp clock structure
- * @cts: structure containing timestamp
+ * @xtstamp: structure containing timestamp
*
* Read device and system (ART) clock simultaneously and return the scaled
* clock values in ns.
@@ -161,14 +161,18 @@
#endif/*CONFIG_E1000E_HWTS*/
/**
- * e1000e_phc_gettime - Reads the current time from the hardware clock
+ * e1000e_phc_gettimex - Reads the current time from the hardware clock and
+ * system clock
* @ptp: ptp clock structure
- * @ts: timespec structure to hold the current time value
+ * @ts: timespec structure to hold the current PHC time
+ * @sts: structure to hold the current system time
*
* Read the timecounter and return the correct value in ns after converting
* it into a struct timespec.
**/
-static int e1000e_phc_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
+static int e1000e_phc_gettimex(struct ptp_clock_info *ptp,
+ struct timespec64 *ts,
+ struct ptp_system_timestamp *sts)
{
struct e1000_adapter *adapter = container_of(ptp, struct e1000_adapter,
ptp_clock_info);
@@ -177,8 +181,8 @@
spin_lock_irqsave(&adapter->systim_lock, flags);
- /* Use timecounter_cyc2time() to allow non-monotonic SYSTIM readings */
- cycles = adapter->cc.read(&adapter->cc);
+ /* NOTE: Non-monotonic SYSTIM readings may be returned */
+ cycles = e1000e_read_systim(adapter, sts);
ns = timecounter_cyc2time(&adapter->tc, cycles);
spin_unlock_irqrestore(&adapter->systim_lock, flags);
@@ -258,7 +262,7 @@
.pps = 0,
.adjfreq = e1000e_phc_adjfreq,
.adjtime = e1000e_phc_adjtime,
- .gettime64 = e1000e_phc_gettime,
+ .gettimex64 = e1000e_phc_gettimex,
.settime64 = e1000e_phc_settime,
.enable = e1000e_phc_enable,
};
@@ -291,12 +295,15 @@
case e1000_pch_lpt:
case e1000_pch_spt:
case e1000_pch_cnp:
+ case e1000_pch_tgp:
+ case e1000_pch_adp:
+ case e1000_pch_mtp:
if ((hw->mac.type < e1000_pch_lpt) ||
(er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI)) {
adapter->ptp_clock_info.max_adj = 24000000 - 1;
break;
}
- /* fall-through */
+ fallthrough;
case e1000_82574:
case e1000_82583:
adapter->ptp_clock_info.max_adj = 600000000 - 1;
--
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