git: 8d5dbbc94208 - stable/13 - linuxkpi: Add dev_info_once

The branch stable/13 has been updated by manu:

URL: https://cgit.FreeBSD.org/src/commit/?id=8d5dbbc942080b71d5d5d46ff314b1e12aadec55

commit 8d5dbbc942080b71d5d5d46ff314b1e12aadec55
Author:     Emmanuel Vadot <manu@FreeBSD.org>
AuthorDate: 2022-08-02 08:22:59 +0000
Commit:     Emmanuel Vadot <manu@FreeBSD.org>
CommitDate: 2022-09-07 15:09:04 +0000

    linuxkpi: Add dev_info_once
    
    Obtained from:  drm-kmod
    Sponsored by:   Beckhoff Automation GmbH & Co. KG
    Differential Revision:  https://reviews.freebsd.org/D36021
    
    (cherry picked from commit a7727e1a6d5d6120d439af222f58345b4932100c)
---
 sys/compat/linuxkpi/common/include/linux/device.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/device.h b/sys/compat/linuxkpi/common/include/linux/device.h
index a85ea0450b04..669d712a641a 100644
--- a/sys/compat/linuxkpi/common/include/linux/device.h
+++ b/sys/compat/linuxkpi/common/include/linux/device.h
@@ -193,6 +193,14 @@ show_class_attr_string(struct class *class,
 #define	dev_printk(lvl, dev, fmt, ...)					\
 	    device_printf((dev)->bsddev, fmt, ##__VA_ARGS__)
 
+#define dev_info_once(dev, ...) do {		\
+	static bool __dev_info_once;		\
+	if (!__dev_info_once) {			\
+	__dev_info_once = true;			\
+	dev_info(dev, __VA_ARGS__);		\
+	}					\
+} while (0)
+
 #define	dev_err_once(dev, ...) do {		\
 	static bool __dev_err_once;		\
 	if (!__dev_err_once) {			\