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| author | Vladimir Kondratyev <wulf@FreeBSD.org> | 2023-12-24 08:19:58 +0000 |
|---|---|---|
| committer | Vladimir Kondratyev <wulf@FreeBSD.org> | 2023-12-24 08:19:58 +0000 |
| commit | a01259965319897b836019f1d4dcf1b5a5a6ea1a (patch) | |
| tree | 26514626eaae3d57a324b980c6e44650f651cfb8 | |
| parent | ae1084ff01bf9d9a9a2c56caf6c7095f3e96f579 (diff) | |
| download | src-a01259965319897b836019f1d4dcf1b5a5a6ea1a.tar.gz src-a01259965319897b836019f1d4dcf1b5a5a6ea1a.zip | |
LinuxKPI: Implement dev_dbg_once() macro
Sponsored by: Serenity Cyber Security, LLC
Reviewed by: manu, bz
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D42795
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/device.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/device.h b/sys/compat/linuxkpi/common/include/linux/device.h index 7a5d813063a9..142003c5ca8c 100644 --- a/sys/compat/linuxkpi/common/include/linux/device.h +++ b/sys/compat/linuxkpi/common/include/linux/device.h @@ -236,6 +236,14 @@ show_class_attr_string(struct class *class, } \ } while (0) +#define dev_dbg_once(dev, ...) do { \ + static bool __dev_dbg_once; \ + if (!__dev_dbg_once) { \ + __dev_dbg_once = 1; \ + dev_dbg(dev, __VA_ARGS__); \ + } \ +} while (0) + #define dev_err_ratelimited(dev, ...) do { \ static linux_ratelimit_t __ratelimited; \ if (linux_ratelimited(&__ratelimited)) \ |