net: txgbe: fix GPIO interrupt blocking

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The register of GPIO interrupt status is masked before MAC IRQ
is enabled. This is because of hardware deficiency. So manually
clear the interrupt status before using them. Otherwise, GPIO
interrupts will never be reported again. There is a workaround for
clearing interrupts to set GPIO EOI in txgbe_up_complete().

Fixes: aefd013624 ("net: txgbe: use irq_domain for interrupt controller")
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Link: https://lore.kernel.org/r/20240301092956.18544-1-jiawenwu@trustnetic.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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Jiawen Wu 2024-03-01 17:29:55 +08:00 • committed by Paolo Abeni

parent b307e25d4e

commit b4a2496c17

3 changed files with 29 additions and 0 deletions

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1

drivers/net/ethernet/wangxun/txgbe/txgbe_main.c

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27

drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c

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1

drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h

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