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2c7b49212a
When a PHY device is registered with the special IRQ value PHY_IGNORE_INTERRUPT (-2) it will not properly be handled by the PHY library: - it continues to poll its register, while we do not want this because such PHY link events or register changes are serviced by an Ethernet MAC - it will still try to configure PHY interrupts at the PHY level, such interrupts do not exist at the PHY but at the MAC level - the state machine only handles PHY_POLL, but should also handle PHY_IGNORE_INTERRUPT similarly This patch updates the PHY state machine and initialization paths to account for the specific PHY_IGNORE_INTERRUPT. Based on an earlier patch by Thomas Petazzoni, and reworked to add the missing bits. Add a helper phy_interrupt_is_valid() which specifically tests for a PHY interrupt not to be PHY_POLL or PHY_IGNORE_INTERRUPT and use it throughout the code. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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