target/linux/layerscape/patches-5.4/701-net-0345-staging-dpaa2-ethsw-move-port-switchdev-blocking-not.patch

   1 From e6987a7f7ebbde64eb679f10a6eb857b9e28d05d Mon Sep 17 00:00:00 2001
   2 From: Ioana Ciornei <ioana.ciornei@nxp.com>
   3 Date: Mon, 11 Nov 2019 18:50:57 +0200
   4 Subject: [PATCH] staging: dpaa2-ethsw: move port switchdev blocking notifier
   5  per ethsw
   6
   7 Register a different switchdev blocking notifier block per ethsw
   8 instance.  When probing multiple dpaa2-ethsw instances, without this the
   9 register will fail.
  10
  11 Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
  12 Link: https://lore.kernel.org/r/1573491058-24766-4-git-send-email-ioana.ciornei@nxp.com
  13 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  14 ---
  15  drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 9 +++------
  16  drivers/staging/fsl-dpaa2/ethsw/ethsw.h | 1 +
  17  2 files changed, 4 insertions(+), 6 deletions(-)
  18
  19 --- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
  20 +++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
  21 @@ -1314,10 +1314,6 @@ static int port_switchdev_blocking_event
  22         return NOTIFY_DONE;
  23  }
  24
  25 -static struct notifier_block port_switchdev_blocking_nb = {
  26 -       .notifier_call = port_switchdev_blocking_event,
  27 -};
  28 -
  29  static int ethsw_register_notifier(struct device *dev)
  30  {
  31         struct ethsw_core *ethsw = dev_get_drvdata(dev);
  32 @@ -1337,7 +1333,8 @@ static int ethsw_register_notifier(struc
  33                 goto err_switchdev_nb;
  34         }
  35
  36 -       err = register_switchdev_blocking_notifier(&port_switchdev_blocking_nb);
  37 +       ethsw->port_switchdevb_nb.notifier_call = port_switchdev_blocking_event;
  38 +       err = register_switchdev_blocking_notifier(&ethsw->port_switchdevb_nb);
  39         if (err) {
  40                 dev_err(dev, "Failed to register switchdev blocking notifier\n");
  41                 goto err_switchdev_blocking_nb;
  42 @@ -1490,7 +1487,7 @@ static void ethsw_unregister_notifier(st
  43         struct notifier_block *nb;
  44         int err;
  45
  46 -       nb = &port_switchdev_blocking_nb;
  47 +       nb = &ethsw->port_switchdevb_nb;
  48         err = unregister_switchdev_blocking_notifier(nb);
  49         if (err)
  50                 dev_err(dev,
  51 --- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.h
  52 +++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.h
  53 @@ -69,6 +69,7 @@ struct ethsw_core {
  54
  55         struct notifier_block           port_nb;
  56         struct notifier_block           port_switchdev_nb;
  57 +       struct notifier_block           port_switchdevb_nb;
  58  };
  59
  60  #endif /* __ETHSW_H */