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ath9k: Revamp PCIE workarounds

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* Disable L1 state ONLY when device is in D3 mode.
* Clear bit 22 of register 0x4004.
* Handle power on/off properly

Not setting the workarounds properly resulted in the
disappearance of the card in certain cases.

Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vivek Natarajan 2009-09-17 09:24:58 +05:30 • committed by John W. Linville
commit 93b1b37f6a
4 changed files with 103 additions and 72 deletions
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