git: 40652f86b5ef - main - rc: bluetooth: startup improvements

The branch main has been updated by bz:

URL: https://cgit.FreeBSD.org/src/commit/?id=40652f86b5ef17c9016a5eaf4bc89b2f324540e8

commit 40652f86b5ef17c9016a5eaf4bc89b2f324540e8
Author:     Stephen Hurd <shurd@freebsd.org>
AuthorDate: 2025-08-29 20:01:58 +0000
Commit:     Bjoern A. Zeeb <bz@FreeBSD.org>
CommitDate: 2025-08-29 20:45:23 +0000

    rc: bluetooth: startup improvements
    
    During startup hccontrol reset needs to be run multiple times
    for iwbt to work more reliably.  Add a loop trying up to
    three times.
    
    Tested by:      various (original version; I changed test to -eq)
    MFC after:      3 days
    Differential Revision: https://reviews.freebsd.org/D44861
---
 libexec/rc/rc.d/bluetooth | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/libexec/rc/rc.d/bluetooth b/libexec/rc/rc.d/bluetooth
index 22bd5078034d..239944c73dd6 100755
--- a/libexec/rc/rc.d/bluetooth
+++ b/libexec/rc/rc.d/bluetooth
@@ -127,8 +127,17 @@ bluetooth_setup_stack()
 		> /dev/null 2>&1 || return 1
 
 	# Initilalize HCI node
-	${hccontrol} -n ${dev}hci reset \
-		> /dev/null 2>&1 || return 1
+	for loop in 1 2 3
+	do
+		${hccontrol} -n ${dev}hci reset \
+			> /dev/null 2>1 && break
+		if [ ${loop} -eq 3 ]
+		then
+			warn Reset failed three times, giving up.
+			return 1
+		fi
+		warn Reset failed, retrying.
+	done
 
 	${hccontrol} -n ${dev}hci read_bd_addr \
 		> /dev/null 2>&1 || return 1