Commit e96190da authored by René Rebe's avatar René Rebe Committed by Rafael J. Wysocki
Browse files

PNP: Fix ISAPNP to generate uevents to auto-load modules 



Currently ISAPNP devices do not generate an uevent for udev to
auto-load the driver modules for Creative SoundBlaster or Gravis
UltraSound to just work.

Signed-off-by: default avatarRené Rebe <rene@exactco.de>
[ rjw: Subject edits ]
Link: https://patch.msgid.link/20251118.145942.1445519082574147037.rene@exactco.de


Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 6a23ae0a

drivers/pnp/driver.c

+19 −0
Original line number Diff line number Diff line
@@ -150,6 +150,24 @@ static void pnp_device_shutdown(struct device *dev) 
		drv->shutdown(pnp_dev);

}



static int pnp_uevent(const struct device *dev, struct kobj_uevent_env *env)

{

	struct pnp_id *pos;

	const struct pnp_dev *pnp_dev = to_pnp_dev(dev);



	if (!dev)

		return -ENODEV;



	pos = pnp_dev->id;

	while (pos) {

		if (add_uevent_var(env, "MODALIAS=pnp:d%s", pos->id))

			return -ENOMEM;

		pos = pos->next;

	}



	return 0;

}



static int pnp_bus_match(struct device *dev, const struct device_driver *drv)

{

	struct pnp_dev *pnp_dev = to_pnp_dev(dev);
@@ -259,6 +277,7 @@ static const struct dev_pm_ops pnp_bus_dev_pm_ops = { 
const struct bus_type pnp_bus_type = {

	.name    = "pnp",

	.match   = pnp_bus_match,

	.uevent  = pnp_uevent,

	.probe   = pnp_device_probe,

	.remove  = pnp_device_remove,

	.shutdown = pnp_device_shutdown,