Re: [PATCH] drm/print: add DRM_DEV_WARN macro

From: Wambui Karuga
Date: Tue Nov 12 2019 - 23:38:26 EST




On Tue, 12 Nov 2019, Daniel Vetter wrote:

On Tue, Nov 12, 2019 at 08:09:09PM +0300, Wambui Karuga wrote:
Add the DRM_DEV_WARN helper macro for printing warnings
that use device pointers in their log output format.
DRM_DEV_WARN can replace the use of dev_warn in such cases.

Signed-off-by: Wambui Karuga <wambui.karugax@xxxxxxxxx>

Can you pls include this in the patch to add the first user with rockchip?
Otherwise always a bit awkward when we add functions without callers.

Okay, I'll send that as well.
Thought it'd be better to get this accepted first.

wambui
lgtm otherwise.
-Daniel

---
include/drm/drm_print.h | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index 5b8049992c24..6ddf91c0cb29 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -329,6 +329,15 @@ void drm_err(const char *format, ...);
#define DRM_WARN_ONCE(fmt, ...) \
_DRM_PRINTK(_once, WARNING, fmt, ##__VA_ARGS__)

+/**
+ * Warning output.
+ *
+ * @dev: device pointer
+ * @fmt: printf() like format string.
+ */
+#define DRM_DEV_WARN(dev, fmt, ...) \
+ drm_dev_printk(dev, KERN_WARNING, fmt, ##__VA_ARGS__)
+
/**
* Error output.
*
--
2.17.1


--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch