target/linux/layerscape/patches-4.4/7212-staging-fsl-dpaa2-mac-Use-of_property_read_32.patch

   1 From e554a03fe11719db373be3c54ce8f230a98dd5e4 Mon Sep 17 00:00:00 2001
   2 From: Ioana Radulescu <ruxandra.radulescu@nxp.com>
   3 Date: Wed, 6 Apr 2016 15:05:47 +0300
   4 Subject: [PATCH 212/226] staging: fsl-dpaa2/mac: Use of_property_read_32()
   5
   6 Simplify reading of the dpmac id from device tree.
   7
   8 Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
   9 (cherry picked from commit b0562bda063f95923bcd8b78dea84a6e0587d3da)
  10 ---
  11  drivers/staging/fsl-dpaa2/mac/mac.c |   13 +++++--------
  12  1 file changed, 5 insertions(+), 8 deletions(-)
  13
  14 --- a/drivers/staging/fsl-dpaa2/mac/mac.c
  15 +++ b/drivers/staging/fsl-dpaa2/mac/mac.c
  16 @@ -461,9 +461,8 @@ static struct device_node *lookup_node(s
  17  {
  18         struct device_node *dpmacs, *dpmac = NULL;
  19         struct device_node *mc_node = dev->of_node;
  20 -       const void *id;
  21 -       int lenp;
  22 -       int dpmac_id_be32 = cpu_to_be32(dpmac_id);
  23 +       u32 id;
  24 +       int err;
  25
  26         dpmacs = of_find_node_by_name(mc_node, "dpmacs");
  27         if (!dpmacs) {
  28 @@ -472,12 +471,10 @@ static struct device_node *lookup_node(s
  29         }
  30
  31         while ((dpmac = of_get_next_child(dpmacs, dpmac))) {
  32 -               id = of_get_property(dpmac, "reg", &lenp);
  33 -               if (!id || lenp != sizeof(int)) {
  34 -                       dev_warn(dev, "Unsuitable reg property in dpmac node\n");
  35 +               err = of_property_read_u32(dpmac, "reg", &id);
  36 +               if (err)
  37                         continue;
  38 -               }
  39 -               if (*(int *)id == dpmac_id_be32)
  40 +               if (id == dpmac_id)
  41                         return dpmac;
  42         }
  43