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| author | Jiri Kosina <jkosina@suse.cz> | 2014-06-04 13:09:01 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2014-06-04 13:09:01 +0200 |
| commit | af5666e0f76023d9c296016024297903a4c83108 (patch) | |
| tree | 9397e7a41dd3eb0c0e14a6407a8e8f12abed4fc5 /Documentation/networking/phy.txt | |
| parent | 1b15d2e5b8077670b1e6a33250a0d9577efff4a5 (diff) | |
| parent | 368c96640d10a145da5f258f2d2833668d4f3629 (diff) | |
Merge branches 'for-3.15/upstream-fixes' and 'for-3.16/upstream' into for-linus
Conflicts:
drivers/hid/hid-sensor-hub.c
Diffstat (limited to 'Documentation/networking/phy.txt')
| -rw-r--r-- | Documentation/networking/phy.txt | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Documentation/networking/phy.txt b/Documentation/networking/phy.txt index ebf270719402..3544c98401fd 100644 --- a/Documentation/networking/phy.txt +++ b/Documentation/networking/phy.txt @@ -48,7 +48,7 @@ The MDIO bus time, so it is safe for them to block, waiting for an interrupt to signal the operation is complete - 2) A reset function is necessary. This is used to return the bus to an + 2) A reset function is optional. This is used to return the bus to an initialized state. 3) A probe function is needed. This function should set up anything the bus @@ -253,16 +253,25 @@ Writing a PHY driver Each driver consists of a number of function pointers: + soft_reset: perform a PHY software reset config_init: configures PHY into a sane state after a reset. For instance, a Davicom PHY requires descrambling disabled. probe: Allocate phy->priv, optionally refuse to bind. PHY may not have been reset or had fixups run yet. suspend/resume: power management config_aneg: Changes the speed/duplex/negotiation settings + aneg_done: Determines the auto-negotiation result read_status: Reads the current speed/duplex/negotiation settings ack_interrupt: Clear a pending interrupt + did_interrupt: Checks if the PHY generated an interrupt config_intr: Enable or disable interrupts remove: Does any driver take-down + ts_info: Queries about the HW timestamping status + hwtstamp: Set the PHY HW timestamping configuration + rxtstamp: Requests a receive timestamp at the PHY level for a 'skb' + txtsamp: Requests a transmit timestamp at the PHY level for a 'skb' + set_wol: Enable Wake-on-LAN at the PHY level + get_wol: Get the Wake-on-LAN status at the PHY level Of these, only config_aneg and read_status are required to be assigned by the driver code. The rest are optional. Also, it is |