target/linux/layerscape/patches-4.14/712-etsec-support-layerscape.patch

   1 From f0f6e88696957d376d8875f675c1caf75a33fd67 Mon Sep 17 00:00:00 2001
   2 From: Biwen Li <biwen.li@nxp.com>
   3 Date: Wed, 17 Apr 2019 18:58:34 +0800
   4 Subject: [PATCH] etsec: support layerscape
   5
   6 This is an integrated patch of etsec for layerscape
   7
   8 Signed-off-by: Biwen Li <biwen.li@nxp.com>
   9 Signed-off-by: David S. Miller <davem@davemloft.net>
  10 Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
  11 ---
  12  drivers/net/ethernet/freescale/gianfar.h      |  3 ---
  13  .../net/ethernet/freescale/gianfar_ethtool.c  | 23 +++++++++++++++----
  14  2 files changed, 18 insertions(+), 8 deletions(-)
  15
  16 --- a/drivers/net/ethernet/freescale/gianfar.h
  17 +++ b/drivers/net/ethernet/freescale/gianfar.h
  18 @@ -1372,7 +1372,4 @@ struct filer_table {
  19         struct gfar_filer_entry fe[MAX_FILER_CACHE_IDX + 20];
  20  };
  21
  22 -/* The gianfar_ptp module will set this variable */
  23 -extern int gfar_phc_index;
  24 -
  25  #endif /* __GIANFAR_H */
  26 --- a/drivers/net/ethernet/freescale/gianfar_ethtool.c
  27 +++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c
  28 @@ -41,6 +41,8 @@
  29  #include <linux/phy.h>
  30  #include <linux/sort.h>
  31  #include <linux/if_vlan.h>
  32 +#include <linux/of_platform.h>
  33 +#include <linux/fsl/ptp_qoriq.h>
  34
  35  #include "gianfar.h"
  36
  37 @@ -1509,24 +1511,35 @@ static int gfar_get_nfc(struct net_devic
  38         return ret;
  39  }
  40
  41 -int gfar_phc_index = -1;
  42 -EXPORT_SYMBOL(gfar_phc_index);
  43 -
  44  static int gfar_get_ts_info(struct net_device *dev,
  45                             struct ethtool_ts_info *info)
  46  {
  47         struct gfar_private *priv = netdev_priv(dev);
  48 +       struct platform_device *ptp_dev;
  49 +       struct device_node *ptp_node;
  50 +       struct qoriq_ptp *ptp = NULL;
  51 +
  52 +       info->phc_index = -1;
  53
  54         if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)) {
  55                 info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
  56                                         SOF_TIMESTAMPING_SOFTWARE;
  57 -               info->phc_index = -1;
  58                 return 0;
  59         }
  60 +
  61 +       ptp_node = of_find_compatible_node(NULL, NULL, "fsl,etsec-ptp");
  62 +       if (ptp_node) {
  63 +               ptp_dev = of_find_device_by_node(ptp_node);
  64 +               if (ptp_dev)
  65 +                       ptp = platform_get_drvdata(ptp_dev);
  66 +       }
  67 +
  68 +       if (ptp)
  69 +               info->phc_index = ptp->phc_index;
  70 +
  71         info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
  72                                 SOF_TIMESTAMPING_RX_HARDWARE |
  73                                 SOF_TIMESTAMPING_RAW_HARDWARE;
  74 -       info->phc_index = gfar_phc_index;
  75         info->tx_types = (1 << HWTSTAMP_TX_OFF) |
  76                          (1 << HWTSTAMP_TX_ON);
  77         info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |