r8169: use spinlock to protect access to registers Config2 and Config5

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For disabling ASPM during NAPI poll we'll have to access both registers
in atomic context. Use a spinlock to protect access.

Reviewed-by: Simon Horman <simon.horman@corigine.com>
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Tested-by: Holger Hoffstätte <holger@applied-asynchrony.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Heiner Kallweit 2023-03-06 22:24:00 +01:00 • committed by David S. Miller

parent 91c8643578

commit 6bc6c4e689

1 changed files with 37 additions and 10 deletions

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drivers/net/ethernet/realtek/r8169_main.c

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