From bb5b81493718e8e9da4fbeb99dc8381b0b09a051 Mon Sep 17 00:00:00 2001
From: jsg <jsg@openbsd.org>
Date: Mon, 22 Jun 2020 14:19:35 +0000
Subject: apart from the lock wait_queue_head struct is unused so replace it

---
 sys/dev/pci/drm/include/linux/completion.h | 50 +++++++++++++++---------------
 1 file changed, 25 insertions(+), 25 deletions(-)

diff --git a/sys/dev/pci/drm/include/linux/completion.h b/sys/dev/pci/drm/include/linux/completion.h
index f7f883270fc..ea9c1fa13c0 100644
--- a/sys/dev/pci/drm/include/linux/completion.h
+++ b/sys/dev/pci/drm/include/linux/completion.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: completion.h,v 1.8 2020/06/22 13:38:47 jsg Exp $	*/
+/*	$OpenBSD: completion.h,v 1.9 2020/06/22 14:19:35 jsg Exp $	*/
 /*
  * Copyright (c) 2015, 2018 Mark Kettenis
  *
@@ -25,14 +25,14 @@
 
 struct completion {
 	u_int done;
-	wait_queue_head_t wait;
+	struct mutex lock;
 };
 
 static inline void
 init_completion(struct completion *x)
 {
 	x->done = 0;
-	mtx_init(&x->wait.lock, IPL_TTY);
+	mtx_init(&x->lock, IPL_TTY);
 }
 
 static inline void
@@ -48,18 +48,18 @@ wait_for_completion_timeout(struct completion *x, u_long timo)
 
 	KASSERT(!cold);
 
-	mtx_enter(&x->wait.lock);
+	mtx_enter(&x->lock);
 	while (x->done == 0) {
-		ret = msleep(x, &x->wait.lock, 0, "wfct", timo);
+		ret = msleep(x, &x->lock, 0, "wfct", timo);
 		if (ret) {
-			mtx_leave(&x->wait.lock);
+			mtx_leave(&x->lock);
 			/* timeout */
 			return 0;
 		}
 	}
 	if (x->done != UINT_MAX)
 		x->done--;
-	mtx_leave(&x->wait.lock);
+	mtx_leave(&x->lock);
 
 	return 1;
 }
@@ -69,13 +69,13 @@ wait_for_completion(struct completion *x)
 {
 	KASSERT(!cold);
 
-	mtx_enter(&x->wait.lock);
+	mtx_enter(&x->lock);
 	while (x->done == 0) {
-		msleep_nsec(x, &x->wait.lock, 0, "wfcom", INFSLP);
+		msleep_nsec(x, &x->lock, 0, "wfcom", INFSLP);
 	}
 	if (x->done != UINT_MAX)
 		x->done--;
-	mtx_leave(&x->wait.lock);
+	mtx_leave(&x->lock);
 }
 
 static inline u_long
@@ -85,11 +85,11 @@ wait_for_completion_interruptible(struct completion *x)
 
 	KASSERT(!cold);
 
-	mtx_enter(&x->wait.lock);
+	mtx_enter(&x->lock);
 	while (x->done == 0) {
-		ret = msleep_nsec(x, &x->wait.lock, PCATCH, "wfci", INFSLP);
+		ret = msleep_nsec(x, &x->lock, PCATCH, "wfci", INFSLP);
 		if (ret) {
-			mtx_leave(&x->wait.lock);
+			mtx_leave(&x->lock);
 			if (ret == EWOULDBLOCK)
 				return 0;
 			return -ERESTARTSYS;
@@ -97,7 +97,7 @@ wait_for_completion_interruptible(struct completion *x)
 	}
 	if (x->done != UINT_MAX)
 		x->done--;
-	mtx_leave(&x->wait.lock);
+	mtx_leave(&x->lock);
 
 	return 0;
 }
@@ -109,11 +109,11 @@ wait_for_completion_interruptible_timeout(struct completion *x, u_long timo)
 
 	KASSERT(!cold);
 
-	mtx_enter(&x->wait.lock);
+	mtx_enter(&x->lock);
 	while (x->done == 0) {
-		ret = msleep(x, &x->wait.lock, PCATCH, "wfcit", timo);
+		ret = msleep(x, &x->lock, PCATCH, "wfcit", timo);
 		if (ret) {
-			mtx_leave(&x->wait.lock);
+			mtx_leave(&x->lock);
 			if (ret == EWOULDBLOCK)
 				return 0;
 			return -ERESTARTSYS;
@@ -121,7 +121,7 @@ wait_for_completion_interruptible_timeout(struct completion *x, u_long timo)
 	}
 	if (x->done != UINT_MAX)
 		x->done--;
-	mtx_leave(&x->wait.lock);
+	mtx_leave(&x->lock);
 
 	return 1;
 }
@@ -129,33 +129,33 @@ wait_for_completion_interruptible_timeout(struct completion *x, u_long timo)
 static inline void
 complete(struct completion *x)
 {
-	mtx_enter(&x->wait.lock);
+	mtx_enter(&x->lock);
 	if (x->done != UINT_MAX)
 		x->done++;
-	mtx_leave(&x->wait.lock);
+	mtx_leave(&x->lock);
 	wakeup_one(x);
 }
 
 static inline void
 complete_all(struct completion *x)
 {
-	mtx_enter(&x->wait.lock);
+	mtx_enter(&x->lock);
 	x->done = UINT_MAX;
-	mtx_leave(&x->wait.lock);
+	mtx_leave(&x->lock);
 	wakeup(x);
 }
 
 static inline bool
 try_wait_for_completion(struct completion *x)
 {
-	mtx_enter(&x->wait.lock);
+	mtx_enter(&x->lock);
 	if (x->done == 0) {
-		mtx_leave(&x->wait.lock);
+		mtx_leave(&x->lock);
 		return false;
 	}
 	if (x->done != UINT_MAX)
 		x->done--;
-	mtx_leave(&x->wait.lock);
+	mtx_leave(&x->lock);
 	return true;
 }
 
-- 
cgit v1.2.3-59-g8ed1b