diff mbox series

[v4,03/20] of: property: make #.*-cells optional for simple props

Message ID 20221123180151.2160033-4-michael@walle.cc
State New
Headers
Series nvmem: core: introduce NVMEM layouts |

Commit Message

Michael Walle Nov. 23, 2022, 6:01 p.m. UTC 
  Sometimes, future bindings for phandles will get additional arguments.
Thus the target node of the phandle will need a new #.*-cells property.
To be backwards compatible, this needs to be optional.

Prepare the DEFINE_SIMPLE_PROPS() to handle the cells name as optional.

Signed-off-by: Michael Walle <michael@walle.cc>
Tested-by: Miquel Raynal <miquel.raynal@bootlin.com>
---
changes since v3:
 - new patch

 drivers/of/property.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Rob Herring Nov. 30, 2022, 12:45 a.m. UTC | #1 
On Wed, 23 Nov 2022 19:01:34 +0100, Michael Walle wrote:
> Sometimes, future bindings for phandles will get additional arguments.
> Thus the target node of the phandle will need a new #.*-cells property.
> To be backwards compatible, this needs to be optional.
> 
> Prepare the DEFINE_SIMPLE_PROPS() to handle the cells name as optional.
> 
> Signed-off-by: Michael Walle <michael@walle.cc>
> Tested-by: Miquel Raynal <miquel.raynal@bootlin.com>
> ---
> changes since v3:
>  - new patch
> 
>  drivers/of/property.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

diff --git a/drivers/of/property.c b/drivers/of/property.c
index 967f79b59016..9773bfeaed9f 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1254,8 +1254,8 @@  static struct device_node *parse_suffix_prop_cells(struct device_node *np,
 	if (strcmp_suffix(prop_name, suffix))
 		return NULL;
 
-	if (of_parse_phandle_with_args(np, prop_name, cells_name, index,
-				       &sup_args))
+	if (__of_parse_phandle_with_args(np, prop_name, cells_name, 0, index,
+					 &sup_args))
 		return NULL;
 
 	return sup_args.np;