Hello.

On 12/01/2015 08:04 PM, Yoshihiro Kaneko wrote:

From: Kazuya Mizuguchi <kazuya.mizuguchi...@renesas.com>

This patch makes PTP support active in CONFIG mode on R-Car Gen3.

Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi...@renesas.com>
Signed-off-by: Yoshihiro Kaneko <ykaneko0...@gmail.com>
---

This patch is based on the master branch of David Miller's next networking
tree.

  drivers/net/ethernet/renesas/ravb.h      |  1 +
  drivers/net/ethernet/renesas/ravb_main.c | 33 +++++++++++++++++++++++++++-----
  2 files changed, 29 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/renesas/ravb.h 
b/drivers/net/ethernet/renesas/ravb.h
index f9dee74..9fbe92a 100644
--- a/drivers/net/ethernet/renesas/ravb.h
+++ b/drivers/net/ethernet/renesas/ravb.h
@@ -206,6 +206,7 @@ enum CCC_BIT {
        CCC_OPC_RESET   = 0x00000000,
        CCC_OPC_CONFIG  = 0x00000001,
        CCC_OPC_OPERATION = 0x00000002,
+       CCC_GAC         = 0x00000080,

   I'd have added a comment that it's gen3 specific.

[...]
diff --git a/drivers/net/ethernet/renesas/ravb_main.c 
b/drivers/net/ethernet/renesas/ravb_main.c
index 990dc55..293046d 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
[...]
@@ -1814,6 +1825,10 @@ static int ravb_probe(struct platform_device *pdev)
        /* Initialise HW timestamp list */
        INIT_LIST_HEAD(&priv->ts_skb_list);

+       /* Initialise PTP Clock driver */
+       if (chip_id != RCAR_GEN2)
+               ravb_ptp_init(ndev, pdev);
+
        /* Debug message level */
        priv->msg_enable = RAVB_DEF_MSG_ENABLE;

@@ -1855,6 +1870,10 @@ out_napi_del:
  out_dma_free:
        dma_free_coherent(ndev->dev.parent, priv->desc_bat_size, priv->desc_bat,
                          priv->desc_bat_dma);
+
+       /* Stop PTP Clock driver */
+       if (chip_id != RCAR_GEN2)
+               ravb_ptp_stop(ndev);

   This is clearly misplaced.

[...]

MBR, Sergei

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