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'struct mdio_device_id' is not modified in these drivers.
Constifying these structures moves some data to a read-only section, so
increase overall security.
On a x86_64, with allmodconfig, as an example:
Before:
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text data bss dec hex filename
27014 12792 0 39806 9b7e drivers/net/phy/broadcom.o
After:
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text data bss dec hex filename
27206 12600 0 39806 9b7e drivers/net/phy/broadcom.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/403c381b7d9156b67ad68ffc44b8eee70c5e86a9.1736691226.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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BCM84881 has no support for inband signalling, so this is a trivial
implementation that returns no support for inband.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/E1tIUrj-006IU6-ON@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If phy_read_mmd() fails, the error code stored in 'bmsr' should be returned
instead of 'val' which is likely to be 0.
Fixes: 75f4d8d10e01 ("net: phy: add Broadcom BCM84881 PHY driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/3e1755b0c40340d00e089d6adae5bca2f8c79e53.1727982168.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fill in the possible_interfaces member. This PHY driver only supports
a single configuration found on SFPs.
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/E1r6VI0-00DDLf-Tb@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Clear the link partner advertisement, speed, duplex and pause when
the link goes down, as other phylib drivers do. This avoids the
stale link partner, speed and duplex settings being reported via
ethtool.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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use phy_read_mmd_poll_timeout() to replace the poll codes for
simplify bcm84881_wait_init() function.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Switch network drivers, phy drivers, and SFP/phylink over to use the
more correct 10GBASE-R, rather than 10GBASE-KR. 10GBASE-KR is backplane
ethernet, which is 10GBASE-R with autonegotiation on top, which our
current usage on the affected platforms does not have.
The only remaining user of PHY_INTERFACE_MODE_10GKR is the Aquantia
PHY, which has a separate mode for 10GBASE-KR.
For Marvell mvpp2, we detect 10GBASE-KR, and rewrite it to 10GBASE-R
for compatibility with existing DT - this is the only network driver
at present that makes use of PHY_INTERFACE_MODE_10GKR.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a rudimentary Clause 45 driver for the BCM84881 PHY, found on
Methode DM7052 SFPs.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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