package/kernel/linux/isapnp-uevent.patch

   1 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   2 # T2 SDE: package/*/linux/isapnp-uevent.patch
   3 # Copyright (C) 2024 The T2 SDE Project
   4 #
   5 # This Copyright note is generated by scripts/Create-CopyPatch,
   6 # more information can be found in the files COPYING and README.
   7 #
   8 # This patch file is dual-licensed. It is available under the license the
   9 # patched project is licensed under, as long as it is an OpenSource license
  10 # as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
  11 # of the GNU General Public License version 2 as used by the T2 SDE.
  12 # --- T2-COPYRIGHT-NOTE-END ---
  13
  14 We want our precious isapnp devices to just work TM and auto-load
  15 matching modules, too.
  16
  17 - Signed-of-by: René Rebe <rene@exactcode.de>
  18
  19 --- linux-6.11/drivers/pnp/driver.c.orig        2024-09-15 16:57:56.000000000 +0200
  20 +++ linux-6.11/drivers/pnp/driver.c     2024-09-30 21:42:08.664108160 +0200
  21 @@ -150,6 +150,24 @@
  22                 drv->shutdown(pnp_dev);
  23  }
  24
  25 +static int pnp_uevent(const struct device *dev, struct kobj_uevent_env *env)
  26 +{
  27 +       const struct pnp_dev *pnp_dev = to_pnp_dev(dev);
  28 +       struct pnp_id *pos;
  29 +
  30 +       if (!dev)
  31 +               return -ENODEV;
  32 +
  33 +       pos = pnp_dev->id;
  34 +       while (pos) {
  35 +               if (add_uevent_var(env, "MODALIAS=pnp:d%s", pos->id))
  36 +                       return -ENOMEM;
  37 +               pos = pos->next;
  38 +       }
  39 +
  40 +       return 0;
  41 +}
  42 +
  43  static int pnp_bus_match(struct device *dev, const struct device_driver *drv)
  44  {
  45         struct pnp_dev *pnp_dev = to_pnp_dev(dev);
  46 @@ -259,6 +277,7 @@
  47  const struct bus_type pnp_bus_type = {
  48         .name    = "pnp",
  49         .match   = pnp_bus_match,
  50 +       .uevent  = pnp_uevent,
  51         .probe   = pnp_device_probe,
  52         .remove  = pnp_device_remove,
  53         .shutdown = pnp_device_shutdown,