add r8169 read mac form eeprom

hc

2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd

 kernel/Documentation/ABI/testing/debugfs-ec
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@@ -6,7 +6,7 @@
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 General information like which GPE is assigned to the EC and whether
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 the global lock should get used.
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 Knowing the EC GPE one can watch the amount of HW events related to
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-the EC here (XY -> GPE number from /sys/kernel/debug/ec/*/gpe):
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+the EC here (XY -> GPE number from `/sys/kernel/debug/ec/*/gpe`):
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 /sys/firmware/acpi/interrupts/gpeXY
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 The io file is binary and a userspace tool located here:
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@@ -14,7 +14,8 @@
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 should get used to read out the 256 Embedded Controller registers
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 or writing to them.
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-CAUTION: Do not write to the Embedded Controller if you don't know
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-what you are doing! Rebooting afterwards also is a good idea.
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-This can influence the way your machine is cooled and fans may
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-not get switched on again after you did a wrong write.
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+CAUTION:
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+  Do not write to the Embedded Controller if you don't know
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+  what you are doing! Rebooting afterwards also is a good idea.
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+  This can influence the way your machine is cooled and fans may
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+  not get switched on again after you did a wrong write.