diff mbox series

[RFC,1/9] of: provide a cleanup helper for OF nodes

Message ID 20240201155532.49707-2-brgl@bgdev.pl
State New
Headers show
Series power: sequencing: implement the subsystem and add first users | expand

Commit Message

Bartosz Golaszewski Feb. 1, 2024, 3:55 p.m. UTC 
From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Allow to use __free() to automatically put references to OF nodes.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
 include/linux/of.h | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Rob Herring (Arm) Feb. 1, 2024, 10:18 p.m. UTC | #1 
On Thu, Feb 1, 2024 at 9:55 AM Bartosz Golaszewski <brgl@bgdev.pl> wrote:
>
> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
>
> Allow to use __free() to automatically put references to OF nodes.

Jonathan has already been working on this[1].

Rob

[1] https://lore.kernel.org/all/20240128160542.178315-1-jic23@kernel.org/
Bartosz Golaszewski Feb. 4, 2024, 7:18 p.m. UTC | #2 
On Thu, Feb 1, 2024 at 11:18 PM Rob Herring <robh@kernel.org> wrote:
>
> On Thu, Feb 1, 2024 at 9:55 AM Bartosz Golaszewski <brgl@bgdev.pl> wrote:
> >
> > From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> >
> > Allow to use __free() to automatically put references to OF nodes.
>
> Jonathan has already been working on this[1].
>
> Rob
>
> [1] https://lore.kernel.org/all/20240128160542.178315-1-jic23@kernel.org/

Thanks, I will watch this but for now I'll have to stick to carrying
it in my series until it gets upstream.

Bart
diff mbox series

Patch

diff --git a/include/linux/of.h b/include/linux/of.h
index 331e05918f11..5462ed47f25b 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -11,6 +11,8 @@ 
  * Updates for SPARC64 by David S. Miller
  * Derived from PowerPC and Sparc prom.h files by Stephen Rothwell, IBM Corp.
  */
+
+#include <linux/cleanup.h>
 #include <linux/types.h>
 #include <linux/bitops.h>
 #include <linux/errno.h>
@@ -887,6 +889,8 @@  static inline const void *of_device_get_match_data(const struct device *dev)
 #define of_match_node(_matches, _node)	NULL
 #endif /* CONFIG_OF */
 
+DEFINE_FREE(of_node, struct device_node *, if (_T) of_node_put(_T))
+
 /* Default string compare functions, Allow arch asm/prom.h to override */
 #if !defined(of_compat_cmp)
 #define of_compat_cmp(s1, s2, l)	strcasecmp((s1), (s2))