target/linux/layerscape/patches-5.4/701-net-0185-staging-dpaa2-evb-Use-MC-portal-in-atomic-context.patch

   1 From 918a96ed5ff4cbb499242279e3c76ab7bee43c88 Mon Sep 17 00:00:00 2001
   2 From: Razvan Stefanescu <razvan.stefanescu@nxp.com>
   3 Date: Tue, 3 Apr 2018 13:53:00 +0300
   4 Subject: [PATCH] staging: dpaa2-evb: Use MC portal in atomic context
   5
   6 Avoid triggering stack trace when retrieving interface counters via
   7 ifconfig by allocating MC portal with atomic I/O enabled.
   8
   9 Signed-off-by: Razvan Stefanescu <razvan.stefanescu@nxp.com>
  10 ---
  11  drivers/staging/fsl-dpaa2/evb/evb.c | 3 ++-
  12  1 file changed, 2 insertions(+), 1 deletion(-)
  13
  14 --- a/drivers/staging/fsl-dpaa2/evb/evb.c
  15 +++ b/drivers/staging/fsl-dpaa2/evb/evb.c
  16 @@ -1204,7 +1204,8 @@ static int evb_probe(struct fsl_mc_devic
  17
  18         priv = netdev_priv(netdev);
  19
  20 -       err = fsl_mc_portal_allocate(evb_dev, 0, &priv->mc_io);
  21 +       err = fsl_mc_portal_allocate(evb_dev, FSL_MC_IO_ATOMIC_CONTEXT_PORTAL,
  22 +                                    &priv->mc_io);
  23         if (unlikely(err)) {
  24                 dev_err(dev, "fsl_mc_portal_allocate err %d\n", err);
  25                 goto err_free_netdev;