linux-kernel - [PATCH] of: property: Fix documentation for out values

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Date:   Tue, 12 Nov 2019 10:17:26 +0200
From:   Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
To:     matti.vaittinen@...rohmeurope.com, mazziesaccount@...il.com
Cc:     Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] of: property: Fix documentation for out values

Property fetching functions which return number of successfully fetched
properties should not state that out-values are only modified if 0 is
returned. Fix this.

Signed-off-by: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
---
 drivers/of/property.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/of/property.c b/drivers/of/property.c
index d7fa75e31f22..4aae93cdc1ce 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -164,7 +164,8 @@ EXPORT_SYMBOL_GPL(of_property_read_u64_index);
  *
  * @np:		device node from which the property value is to be read.
  * @propname:	name of the property to be searched.
- * @out_values:	pointer to return value, modified only if return value is 0.
+ * @out_values:	pointer to return value, modified only if return value is
+ *		greater than 0.
  * @sz_min:	minimum number of array elements to read
  * @sz_max:	maximum number of array elements to read, if zero there is no
  *		upper limit on the number of elements in the dts entry but only
@@ -212,7 +213,8 @@ EXPORT_SYMBOL_GPL(of_property_read_variable_u8_array);
  *
  * @np:		device node from which the property value is to be read.
  * @propname:	name of the property to be searched.
- * @out_values:	pointer to return value, modified only if return value is 0.
+ * @out_values:	pointer to return value, modified only if return value is
+ *		greater than 0.
  * @sz_min:	minimum number of array elements to read
  * @sz_max:	maximum number of array elements to read, if zero there is no
  *		upper limit on the number of elements in the dts entry but only
@@ -260,7 +262,8 @@ EXPORT_SYMBOL_GPL(of_property_read_variable_u16_array);
  *
  * @np:		device node from which the property value is to be read.
  * @propname:	name of the property to be searched.
- * @out_values:	pointer to return value, modified only if return value is 0.
+ * @out_values:	pointer to return value, modified only if return value is
+ *		greater than 0.
  * @sz_min:	minimum number of array elements to read
  * @sz_max:	maximum number of array elements to read, if zero there is no
  *		upper limit on the number of elements in the dts entry but only
@@ -334,7 +337,8 @@ EXPORT_SYMBOL_GPL(of_property_read_u64);
  *
  * @np:		device node from which the property value is to be read.
  * @propname:	name of the property to be searched.
- * @out_values:	pointer to return value, modified only if return value is 0.
+ * @out_values:	pointer to return value, modified only if return value is
+ *		greater than 0.
  * @sz_min:	minimum number of array elements to read
  * @sz_max:	maximum number of array elements to read, if zero there is no
  *		upper limit on the number of elements in the dts entry but only
-- 
2.21.0


-- 
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND

~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =]