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wl12xx: avoid bug_on_recovery during fw switch

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Add a flag to indicate we initiated a recovery work
on purpose, in order to avoid triggering BUG() (when
the bug_on_recovery module param was set).

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Eliad Peller 2012-03-04 10:55:54 +02:00 committed by Luciano Coelho
parent 6667776d3c
commit e9ba7152c1
2 changed files with 5 additions and 1 deletions
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5
drivers/net/wireless/wl12xx/main.c
View file

@ -1154,7 +1154,8 @@ static void wl1271_recovery_work(struct work_struct *work)
wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x",
wl->chip.fw_ver_str, wl1271_read32(wl, SCR_PAD4));
BUG_ON(bug_on_recovery);
BUG_ON(bug_on_recovery &&
!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags));
/*
* Advance security sequence number to overcome potential progress
@ -2133,6 +2134,7 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
if (wl12xx_need_fw_change(wl, vif_count, true)) {
wl12xx_force_active_psm(wl);
set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags);
mutex_unlock(&wl->mutex);
wl1271_recovery_work(&wl->recovery_work);
return 0;
@ -2317,6 +2319,7 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
WARN_ON(iter != wlvif);
if (wl12xx_need_fw_change(wl, vif_count, false)) {
wl12xx_force_active_psm(wl);
set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags);
wl12xx_queue_recovery_work(wl);
cancel_recovery = false;
}

1
drivers/net/wireless/wl12xx/wl12xx.h
View file

@ -260,6 +260,7 @@ enum wl12xx_flags {
WL1271_FLAG_SOFT_GEMINI,
WL1271_FLAG_RECOVERY_IN_PROGRESS,
WL1271_FLAG_VIF_CHANGE_IN_PROGRESS,
WL1271_FLAG_INTENDED_FW_RECOVERY,
};
enum wl12xx_vif_flags {