From 35547df5c78653b2da030f920323c0357056099f Mon Sep 17 00:00:00 2001
From: Scott Long <scottl@FreeBSD.org>
Date: Tue, 10 Aug 2021 22:36:38 +0000
Subject: [PATCH] Call wakeup() with the lock held to avoid missed wakeup
 races.

Submitted by: luiz
Sponsored by: Rubicon Communications, LLC ("Netgate")
---
 sys/dev/sdhci/sdhci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/sdhci/sdhci.c b/sys/dev/sdhci/sdhci.c
index d075c2e0500..573e6949b57 100644
--- a/sys/dev/sdhci/sdhci.c
+++ b/sys/dev/sdhci/sdhci.c
@@ -2078,8 +2078,8 @@ sdhci_generic_release_host(device_t brdev __unused, device_t reqdev)
 	/* Deactivate led. */
 	WR1(slot, SDHCI_HOST_CONTROL, slot->hostctrl &= ~SDHCI_CTRL_LED);
 	slot->bus_busy--;
-	SDHCI_UNLOCK(slot);
 	wakeup(slot);
+	SDHCI_UNLOCK(slot);
 	return (0);
 }