Thread (21 messages) 21 messages, 5 authors, 2018-01-24

[net-next: PATCH v4 1/7] device property: Introduce fwnode_get_mac_address()

From: Marcin Wojtas <hidden>
Date: 2018-01-23 06:12:53
Also in: linux-acpi, lkml, netdev

Hi Rafael,
quoted
        if (res)
                return res;

-       return device_get_mac_addr(dev, "address", addr, alen);
+       return fwnode_get_mac_addr(fwnode, "address", addr, alen);
+}
+EXPORT_SYMBOL(fwnode_get_mac_address);
That should be EXPORT_SYMBOL_GPL().

I have overlooked that previously, sorry about that.
The series landed yesterday in net-next, so I need to send a fix on
top. Would you be ok with single patch fixing all EXPORT_SYMBOL()
occurences? Those would be 2 new routines:
- fwnode_get_mac_address
- fwnode_irq_get
and  2 already existing in the file:
- device_get_mac_address
- fwnode_graph_parse_endpoint

Please let know, how you prefer to handle it?

Best regards,
Marcin
quoted
+
+/**
+ * device_get_mac_address - Get the MAC for a given device
+ * @dev:       Pointer to the device
+ * @addr:      Address of buffer to store the MAC in
+ * @alen:      Length of the buffer pointed to by addr, should be ETH_ALEN
+ */
+void *device_get_mac_address(struct device *dev, char *addr, int alen)
+{
+       return fwnode_get_mac_address(dev_fwnode(dev), addr, alen);
 }
 EXPORT_SYMBOL(device_get_mac_address);
Same here.

Generally speaking, you should use EXPORT_SYMBOL_GPL() everywhere
unless there's a specific reason for not doing that in which cases
that specific reason has to be clearly spelled out at least in the
changelog of the patch, but really better in a code comment.
quoted
diff --git a/include/linux/property.h b/include/linux/property.h
index f6189a3..35620e0 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -279,6 +279,8 @@ int device_get_phy_mode(struct device *dev);

 void *device_get_mac_address(struct device *dev, char *addr, int alen);

+void *fwnode_get_mac_address(struct fwnode_handle *fwnode,
+                            char *addr, int alen);
 struct fwnode_handle *fwnode_graph_get_next_endpoint(
        const struct fwnode_handle *fwnode, struct fwnode_handle *prev);
 struct fwnode_handle *
--
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