ath9k: Fix suspend/resume when no interface is UP
When no interface has been brought up, the chip's power state continued as AWAKE. So during resume, the chip never been powered up. Cc: stable@kernel.org Signed-off-by: NRajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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