[PATCH] mt76: mt7915: add debugfs knob to read efuse value from FW

[Felix Fietkau]

On 2021-05-04 14:52, Shayne Chen wrote:
> In efuse mode, mt7915 only reads efuse values from FW which driver need.
> Add a debugfs knob to read addtional efuse values from a specific field,
> which is useful in some cases such as checking if rf values in efuse
> are properly burned.
> 
> An example of usage:
> echo 0x400 > efuse_idx
> hexdump -C eeprom
> 
> Signed-off-by: Shayne Chen <shayne.chen at mediatek.com>
I'd prefer if we read the entire efuse and put it in a "otp" debugfs
file, like on older chips.

- Felix