Thread (1 message) 1 message, 1 author, 2012-10-11

Re: [PATCH v4 1/8] dt: add helper inline for retrieving timeout-sec property

From: Fabio Porcedda <hidden>
Date: 2012-10-11 11:55:47
Also in: linux-arm-kernel, linux-watchdog

On Wed, Oct 10, 2012 at 4:29 PM, Rob Herring [off-list ref] wrote:
On 10/09/2012 07:04 AM, Fabio Porcedda wrote:
quoted
The first user of this function is the watchdog framework.
Who is the 2nd user because I don't see any others. I don't see this
being a widely used property.
Hi Rob, thanks for reviewing.

There is only one use of this function in my patchset.
I added this function after Jean-Christophe repeatedly suggested to add it.

On Fri, Oct 5, 2012 at 1:16 PM, Jean-Christophe PLAGNIOL-VILLARD
[off-list ref] wrote:
why I bother to comment
*make this of generic* this is not watchdog specific other driver can use it
Maybe the idea was to have the helper ready when the dt support it's
added to a drivers that use a "timeout" parameter.

If it's for better i can just get rid of this function.
I don't mind.

Best regards
quoted
Signed-off-by: Fabio Porcedda <redacted>
Cc: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
Cc: Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
---
 include/linux/of.h | 11 +++++++++++
 1 file changed, 11 insertions(+)
diff --git a/include/linux/of.h b/include/linux/of.h
index 72843b7..5870818 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -470,4 +470,15 @@ static inline int of_property_read_u32(const struct device_node *np,
      return of_property_read_u32_array(np, propname, out_value, 1);
 }

+/**
+ * of_get_timeout_sec() - Helper to read the timeout_sec property
+ * @np:              device node from which the property value is to be read.
+ * @timeout: adress of the output value
+ */
+static inline int of_get_timeout_sec(const struct device_node *np,
+                                  u32 *timeout)
+{
+     return of_property_read_u32(np, "timeout-sec", timeout);
+}
+
 #endif /* _LINUX_OF_H */
-- 
Fabio Porcedda
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