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mwifiex: avoid waking up device in awake state

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We have received interrupt from device means FW is not sleeping.
In this case make sure wakeup handler for PCIe is not invoked by
setting adapter->pm_wakeup_fw_try to false.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Avinash Patil 2013-03-22 21:49:06 -07:00 committed by John W. Linville
parent b2fda1f666
commit c24d992ab6
1 changed files with 4 additions and 3 deletions
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7
drivers/net/wireless/mwifiex/pcie.c
View file

@ -1983,12 +1983,13 @@ static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter)
}
}
} else if (!adapter->pps_uapsd_mode &&
adapter->ps_state == PS_STATE_SLEEP) {
adapter->ps_state == PS_STATE_SLEEP &&
mwifiex_pcie_ok_to_access_hw(adapter)) {
/* Potentially for PCIe we could get other
* interrupts like shared. Don't change power
* state until cookie is set */
if (mwifiex_pcie_ok_to_access_hw(adapter))
adapter->ps_state = PS_STATE_AWAKE;
adapter->ps_state = PS_STATE_AWAKE;
adapter->pm_wakeup_fw_try = false;
}
}
}