From d48760ffe9eaac809f8d31fb1b4e6b13ae52d59a Mon Sep 17 00:00:00 2001
From: Elliott Mitchell <ehem+freebsd@m5p.com>
Date: Tue, 26 Sep 2023 22:39:22 -0700
Subject: [PATCH] xen/dev: remove __unused from driver argument of identify
 functions

The driver argument is most certainly now used by these functions.  When
originally implemented it might have been unused, but not now.

Reviewed by: royger
---
 sys/dev/xen/balloon/balloon.c         | 2 +-
 sys/dev/xen/control/control.c         | 2 +-
 sys/dev/xen/grant_table/grant_table.c | 2 +-
 sys/dev/xen/xenstore/xenstore_dev.c   | 2 +-
 sys/dev/xen/xenstore/xenstored_dev.c  | 2 +-
 sys/xen/xenbus/xenbusb.c              | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/sys/dev/xen/balloon/balloon.c b/sys/dev/xen/balloon/balloon.c
index 6db910e60dd..c6ff8fc782c 100644
--- a/sys/dev/xen/balloon/balloon.c
+++ b/sys/dev/xen/balloon/balloon.c
@@ -334,7 +334,7 @@ watch_target(struct xs_watch *watch,
  * \param parent  The NewBus parent device for any devices this method adds.
  */
 static void
-xenballoon_identify(driver_t *driver __unused, device_t parent)
+xenballoon_identify(driver_t *driver, device_t parent)
 {
 	/*
 	 * A single device instance for our driver is always present
diff --git a/sys/dev/xen/control/control.c b/sys/dev/xen/control/control.c
index 37b4bff709c..1dc1df935b8 100644
--- a/sys/dev/xen/control/control.c
+++ b/sys/dev/xen/control/control.c
@@ -401,7 +401,7 @@ xctrl_on_watch_event(struct xs_watch *watch, const char **vec, unsigned int len)
  * \param parent  The NewBus parent device for any devices this method adds.
  */
 static void
-xctrl_identify(driver_t *driver __unused, device_t parent)
+xctrl_identify(driver_t *driver, device_t parent)
 {
 	/*
 	 * A single device instance for our driver is always present
diff --git a/sys/dev/xen/grant_table/grant_table.c b/sys/dev/xen/grant_table/grant_table.c
index c9d7d1e66af..394d40c5d49 100644
--- a/sys/dev/xen/grant_table/grant_table.c
+++ b/sys/dev/xen/grant_table/grant_table.c
@@ -569,7 +569,7 @@ MTX_SYSINIT(gnttab, &gnttab_list_lock, "GNTTAB LOCK", MTX_DEF | MTX_RECURSE);
  * \param parent  The NewBus parent device for any devices this method adds.
  */
 static void
-granttable_identify(driver_t *driver __unused, device_t parent)
+granttable_identify(driver_t *driver, device_t parent)
 {
 
 	KASSERT(xen_domain(),
diff --git a/sys/dev/xen/xenstore/xenstore_dev.c b/sys/dev/xen/xenstore/xenstore_dev.c
index 65ca9d67ce4..0dcf6938d5f 100644
--- a/sys/dev/xen/xenstore/xenstore_dev.c
+++ b/sys/dev/xen/xenstore/xenstore_dev.c
@@ -474,7 +474,7 @@ static struct cdevsw xs_dev_cdevsw = {
  * \param parent  The NewBus parent device for any devices this method adds.
  */
 static void
-xs_dev_identify(driver_t *driver __unused, device_t parent)
+xs_dev_identify(driver_t *driver, device_t parent)
 {
 	/*
 	 * A single device instance for our driver is always present
diff --git a/sys/dev/xen/xenstore/xenstored_dev.c b/sys/dev/xen/xenstore/xenstored_dev.c
index 13cc7c3b36d..26ff3083e68 100644
--- a/sys/dev/xen/xenstore/xenstored_dev.c
+++ b/sys/dev/xen/xenstore/xenstored_dev.c
@@ -95,7 +95,7 @@ xsd_dev_mmap(struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr,
  * \param parent  The NewBus parent device for any devices this method adds.
  */
 static void
-xsd_dev_identify(driver_t *driver __unused, device_t parent)
+xsd_dev_identify(driver_t *driver, device_t parent)
 {
 
 	if (!xen_domain() || xs_initialized())
diff --git a/sys/xen/xenbus/xenbusb.c b/sys/xen/xenbus/xenbusb.c
index 0e303fc83f1..12a921eab8b 100644
--- a/sys/xen/xenbus/xenbusb.c
+++ b/sys/xen/xenbus/xenbusb.c
@@ -622,7 +622,7 @@ xenbusb_nop_confighook_cb(void *arg __unused)
 /*--------------------------- Public Functions -------------------------------*/
 /*--------- API comments for these methods can be found in xenbusb.h ---------*/
 void
-xenbusb_identify(driver_t *driver __unused, device_t parent)
+xenbusb_identify(driver_t *driver, device_t parent)
 {
 	/*
 	 * A single instance of each bus type for which we have a driver