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net: phy: Allow pre-declaration of MDIO devices

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Allow board support code to collect pre-declarations for MDIO devices by
registering them with mdiobus_register_board_info(). SPI and I2C buses
have a similar feature, we were missing this for MDIO devices, but this
is particularly useful for e.g: MDIO-connected switches which need to
provide their port layout (often board-specific) to a MDIO Ethernet
switch driver.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli
2017-02-04 13:02:44 -08:00
committed by David S. Miller
parent 71e0bbde0d
commit 648ea01340
8 changed files with 145 additions and 1 deletions
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include/linux/mod_devicetable.h
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@@ -501,6 +501,7 @@ struct platform_device_id {
kernel_ulong_t driver_data;
};
#define MDIO_NAME_SIZE 32
#define MDIO_MODULE_PREFIX "mdio:"
#define MDIO_ID_FMT "%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d"