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wil6210: protect against false interrupt during reset sequence 

During reset sequence it is seen that device is generating an
interrupt eventhough interrupts are masked at device level.

Add workaround to disable the interrupts from host side during
reset and clear any pending interrupts before re-enabling
the interrupt.

Signed-off-by: Hamad Kadmany <qca_hkadmany@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Hamad Kadmany 2017-01-20 13:49:49 +02:00 committed by Kalle Valo
parent 4d4c4dc324
commit 3ee908dc3b
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/ath/wil6210/main.c
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@ -918,7 +918,10 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw)
flush_workqueue(wil->wmi_wq);
wil_bl_crash_info(wil, false);
wil_disable_irq(wil);
rc = wil_target_reset(wil);
wil6210_clear_irq(wil);
wil_enable_irq(wil);
wil_rx_fini(wil);
if (rc) {
wil_bl_crash_info(wil, true);