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* net: core: add of_find_net_device_by_node()Florian Fainelli2015-03-091-0/+8
| | | | | | | | | | | | | | | | | | Add a helper function which allows getting the struct net_device pointer associated with a given struct device_node pointer. This is useful for instance for DSA Ethernet devices not backed by a platform_device, but a PCI device. Since we need to access net_class which is not accessible outside of net/core/net-sysfs.c, this helper function is also added here and gated with CONFIG_OF_NET. Network devices initialized with SET_NETDEV_DEV() are also taken into account by checking for dev->parent first and then falling back to checking the device pointer within struct net_device. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* of: Make of_get_phy_mode() return int i.s.o. const intGeert Uytterhoeven2013-08-281-2/+2
| | | | | | | include/linux/of_net.h:16: warning: type qualifiers ignored on function return type Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Grant Likely <grant.likely@linaro.org>
* of_net.h: Provide empty functions if OF_NET is not configuredGuenter Roeck2013-04-021-0/+10
| | | | | | | | | | | | | | | | | | | | of_get_mac_address() and of_get_phy_mode() are only provided if OF_NET is configured. While most callers check for the define, not all do, and those who do require #ifdef around the code. For those who don't, the missing check can result in errors such as arch/powerpc/sysdev/tsi108_dev.c:107:3: error: implicit declaration of function 'of_get_mac_address' [-Werror=implicit-function-declaration] arch/powerpc/sysdev/mv64x60_dev.c:253:2: error: implicit declaration of function 'of_get_mac_address' [-Werror=implicit-function-declaration] Provide empty functions if OF_NET is not configured. This is safe because all callers do check the return values. Cc: David Daney <david.daney@cavium.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* dt/net: add helper function of_get_phy_modeShawn Guo2011-07-271-0/+1
| | | | | | | | | | It adds the helper function of_get_phy_mode getting phy interface from device tree. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Cc: Grant Likely <grant.likely@secretlab.ca> Acked-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: David Miller <davem@davemloft.net>
* of/net: Move of_get_mac_address() to a common source file.David Daney2010-11-011-0/+15
There are two identical implementations of of_get_mac_address(), one each in arch/powerpc/kernel/prom_parse.c and arch/microblaze/kernel/prom_parse.c. Move this function to a new common file of_net.{c,h} and adjust all the callers to include the new header. Signed-off-by: David Daney <ddaney@caviumnetworks.com> [grant.likely@secretlab.ca: protect header with #ifdef] Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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