linux-kernel - [PATCH] of: property: fix #nvmem-cell-cells parsing

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Message-Id: <20230110233056.3490942-1-michael@walle.cc>
Date:   Wed, 11 Jan 2023 00:30:56 +0100
From:   Michael Walle <michael@...le.cc>
To:     Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Robert Marko <robimarko@...il.com>,
        Alexander Stein <alexander.stein@...tq-group.com>,
        Peng Fan <peng.fan@....com>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Aisheng Dong <aisheng.dong@....com>,
        Michael Walle <michael@...le.cc>
Subject: [PATCH] of: property: fix #nvmem-cell-cells parsing

Commit 67b8497f005f ("of: property: make #.*-cells optional for simple
props") claims to make the cells-name property optional for simple
properties, but changed the code for the wrong property, i.e. for
DEFINE_SUFFIX_PROP(). Fix that.

Fixes: 67b8497f005f ("of: property: make #.*-cells optional for simple props")
Reported-by: Peng Fan <peng.fan@....com>
Signed-off-by: Michael Walle <michael@...le.cc>
Tested-by: Robert Marko <robimarko@...il.com>
---
 drivers/of/property.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/of/property.c b/drivers/of/property.c
index 8d9ba20a8f90..95b838185b2f 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1202,8 +1202,8 @@ static struct device_node *parse_prop_cells(struct device_node *np,
 	if (strcmp(prop_name, list_name))
 		return NULL;
 
-	if (of_parse_phandle_with_args(np, list_name, cells_name, index,
-				       &sup_args))
+	if (__of_parse_phandle_with_args(np, list_name, cells_name, 0, index,
+					 &sup_args))
 		return NULL;
 
 	return sup_args.np;
@@ -1256,8 +1256,8 @@ 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, 0, index,
-					 &sup_args))
+	if (of_parse_phandle_with_args(np, prop_name, cells_name, index,
+				       &sup_args))
 		return NULL;
 
 	return sup_args.np;
-- 
2.30.2