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phy: add phy fixup unregister functions

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>From : Woojung Huh <woojung.huh@microchip.com>

Add functions to unregister phy fixup for modules.

int phy_unregister_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask)
	Unregister phy fixup from phy_fixup_list per bus_id, phy_uid &
	phy_uid_mask

int phy_unregister_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask)
	Unregister phy fixup from phy_fixup_list.
	Use it for fixup registered by phy_register_fixup_for_uid()

int phy_unregister_fixup_for_id(const char *bus_id)
	Unregister phy fixup from phy_fixup_list.
	Use it for fixup registered by phy_register_fixup_for_id()

Signed-off-by: Woojung Huh <woojung.huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Woojung.Huh@microchip.com
2016-12-07 20:26:07 +00:00
committed by David S. Miller
parent d2a4dd37f6
commit f38e7a32ee
3 changed files with 60 additions and 0 deletions
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Documentation/networking/phy.txt
+9
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@@ -407,6 +407,15 @@ Board Fixups
The stubs set one of the two matching criteria, and set the other one to
match anything.
When phy_register_fixup() or *_for_uid()/*_for_id() is called at module,
unregister fixup and free allocate memory are required.
Call one of following function before unloading module.
int phy_unregister_fixup(const char *phy_id, u32 phy_uid, u32 phy_uid_mask);
int phy_unregister_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask);
int phy_register_fixup_for_id(const char *phy_id);
Standards
IEEE Standard 802.3: CSMA/CD Access Method and Physical Layer Specifications, Section Two: