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net: phy: Document phydev::dev_flags bits allocation 

Document the phydev::dev_flags bit allocation to allow bits 15:0 to
define PHY driver specific behavior, bits 23:16 to be reserved for now,
and bits 31:24 to hold generic PHY driver flags.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20210526184617.3105012-1-f.fainelli@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Florian Fainelli 2021-05-26 11:46:17 -07:00 committed by Jakub Kicinski
parent f5d287126f
commit 62f3415db2
1 changed files with 5 additions and 0 deletions
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5
include/linux/phy.h
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@ -496,6 +496,11 @@ struct macsec_ops;
* @mac_managed_pm: Set true if MAC driver takes of suspending/resuming PHY
* @state: State of the PHY for management purposes
* @dev_flags: Device-specific flags used by the PHY driver.
* Bits [15:0] are free to use by the PHY driver to communicate
* driver specific behavior.
* Bits [23:16] are currently reserved for future use.
* Bits [31:24] are reserved for defining generic
* PHY driver behavior.
* @irq: IRQ number of the PHY's interrupt (-1 if none)
* @phy_timer: The timer for handling the state machine
* @phylink: Pointer to phylink instance for this PHY