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>

diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index 9b8fa6a..85a795a 100644 (file)
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -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);