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net: mdio: add definition for clock stop capable bit

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Add a definition for the clock stop capable bit in the PCS MMD. This
bit indicates whether the MAC is able to stop the transmit xMII clock
while it is signalling LPI.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/E1tYADb-0014PV-6T@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Russell King (Oracle) 2025-01-15 20:42:27 +00:00 committed by Jakub Kicinski
parent 6da7a0f91b
commit 3ba0262a8f
1 changed files with 1 additions and 0 deletions
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include/uapi/linux/mdio.h
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@ -125,6 +125,7 @@
#define MDIO_STAT1_LPOWERABLE 0x0002 /* Low-power ability */
#define MDIO_STAT1_LSTATUS BMSR_LSTATUS
#define MDIO_STAT1_FAULT 0x0080 /* Fault */
#define MDIO_PCS_STAT1_CLKSTOP_CAP 0x0040
#define MDIO_AN_STAT1_LPABLE 0x0001 /* Link partner AN ability */
#define MDIO_AN_STAT1_ABLE BMSR_ANEGCAPABLE
#define MDIO_AN_STAT1_RFAULT BMSR_RFAULT