[FS#432] ath9k: Disconnections from WiFi (router as client)

[LEDE Bugs]

The following task has a new comment added:

FS#432 - ath9k: Disconnections from WiFi (router as client)
User who did this - mirlang (mirlang)

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works for me :) router is up for >1 hour and everything seems fine
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=432#comment1456