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openwrt/target/linux/layerscape/patches-5.4/701-net-0103-sdk_dpaa-fix-hardware-timestamp-value.patch
Yangbo Lu cddd459140 layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
2020-05-07 12:53:06 +02:00

38 lines
1.2 KiB
Diff

From c96c65930fb5a348d96b88f4edeea1ddf8229c28 Mon Sep 17 00:00:00 2001
From: Yangbo Lu <yangbo.lu@nxp.com>
Date: Thu, 1 Nov 2018 15:34:17 +0800
Subject: [PATCH] sdk_dpaa: fix hardware timestamp value
The hardware timestamp value got didn't need to be multiplied
by nominal frequency since ptp_qoriq driver initialized the
counter to add clock period, not the clock tick.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
---
drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c
+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c
@@ -306,7 +306,7 @@ EXPORT_SYMBOL(dpa_fix_features);
u64 dpa_get_timestamp_ns(const struct dpa_priv_s *priv, enum port_type rx_tx,
const void *data)
{
- u64 *ts, ns;
+ u64 *ts;
ts = fm_port_get_buffer_time_stamp(priv->mac_dev->port_dev[rx_tx],
data);
@@ -316,10 +316,7 @@ u64 dpa_get_timestamp_ns(const struct dp
be64_to_cpus(ts);
- /* multiple DPA_PTP_NOMINAL_FREQ_PERIOD_NS for case of non power of 2 */
- ns = *ts << DPA_PTP_NOMINAL_FREQ_PERIOD_SHIFT;
-
- return ns;
+ return *ts;
}
int dpa_get_ts(const struct dpa_priv_s *priv, enum port_type rx_tx,