mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Zijun Hu <zijun_hu@icloud.com>
To: Rob Herring <robh@kernel.org>,
	Saravana Kannan <saravanak@google.com>,
	 Maxime Ripard <mripard@kernel.org>,
	Robin Murphy <robin.murphy@arm.com>,
	 Grant Likely <grant.likely@secretlab.ca>
Cc: Zijun Hu <zijun_hu@icloud.com>,
	devicetree@vger.kernel.org,  linux-kernel@vger.kernel.org,
	Zijun Hu <quic_zijuhu@quicinc.com>
Subject: [PATCH v3 3/7] of: Make of_property_present() applicable to all kinds of property
Date: Tue, 17 Dec 2024 21:07:27 +0800	[thread overview]
Message-ID: <20241217-of_core_fix-v3-3-3bc49a2e8bda@quicinc.com> (raw)
In-Reply-To: <20241217-of_core_fix-v3-0-3bc49a2e8bda@quicinc.com>

From: Zijun Hu <quic_zijuhu@quicinc.com>

API of_property_present() invokes of_property_read_bool() to check if
a property is present or not, and that has 2 shortcomings shown below:

- That narrows down property scope applicable to of_property_present()
  from all kinds of property to only bool type.

- That is less logical since it says a property's presence is decided by
  its bool property value.

Fix by making of_property_read_bool() invoke of_property_present().

Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
---
 include/linux/of.h | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/include/linux/of.h b/include/linux/of.h
index d451c46132b01efe6d4e0b6cf83a3e2084bb3ec6..fe5d7b74c23b9701743f5debc3d030b765bc914f 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -1242,17 +1242,16 @@ static inline int of_property_read_string_index(const struct device_node *np,
 }
 
 /**
- * of_property_read_bool - Find a property
- * @np:		device node from which the property value is to be read.
+ * of_property_present - Test if a property is present in a node
+ * @np:		device node to search for the property.
  * @propname:	name of the property to be searched.
  *
- * Search for a boolean property in a device node. Usage on non-boolean
- * property types is deprecated.
+ * Test for a property present in a device node.
  *
  * Return: true if the property exists false otherwise.
  */
-static inline bool of_property_read_bool(const struct device_node *np,
-					 const char *propname)
+static inline bool of_property_present(const struct device_node *np,
+				       const char *propname)
 {
 	const struct property *prop = of_find_property(np, propname, NULL);
 
@@ -1260,17 +1259,19 @@ static inline bool of_property_read_bool(const struct device_node *np,
 }
 
 /**
- * of_property_present - Test if a property is present in a node
- * @np:		device node to search for the property.
+ * of_property_read_bool - Find a property
+ * @np:		device node from which the property value is to be read.
  * @propname:	name of the property to be searched.
  *
- * Test for a property present in a device node.
+ * Search for a boolean property in a device node. Usage on non-boolean
+ * property types is deprecated.
  *
  * Return: true if the property exists false otherwise.
  */
-static inline bool of_property_present(const struct device_node *np, const char *propname)
+static inline bool of_property_read_bool(const struct device_node *np,
+					 const char *propname)
 {
-	return of_property_read_bool(np, propname);
+	return of_property_present(np, propname);
 }
 
 /**

-- 
2.34.1


  parent reply	other threads:[~2024-12-17 13:07 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-17 13:07 [PATCH v3 0/7] of: fix bugs and improve codes Zijun Hu
2024-12-17 13:07 ` [PATCH v3 1/7] of: Correct child specifier used as input of the 2nd nexus node Zijun Hu
2024-12-17 13:07 ` [PATCH v3 2/7] of: Do not expose of_alias_scan() and correct its comments Zijun Hu
2024-12-17 13:07 ` Zijun Hu [this message]
2024-12-17 13:07 ` [PATCH v3 4/7] of: property: Use of_property_present() for of_fwnode_property_present() Zijun Hu
2024-12-17 13:07 ` [PATCH v3 5/7] of: Fix available buffer size calculating error in API of_device_uevent_modalias() Zijun Hu
2024-12-17 13:07 ` [PATCH v3 6/7] of: Fix potential wrong MODALIAS uevent value Zijun Hu
2024-12-17 13:07 ` [PATCH v3 7/7] of: Do not expose of_modalias() Zijun Hu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20241217-of_core_fix-v3-3-3bc49a2e8bda@quicinc.com \
    --to=zijun_hu@icloud.com \
    --cc=devicetree@vger.kernel.org \
    --cc=grant.likely@secretlab.ca \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mripard@kernel.org \
    --cc=quic_zijuhu@quicinc.com \
    --cc=robh@kernel.org \
    --cc=robin.murphy@arm.com \
    --cc=saravanak@google.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®