From: Mike McCormack <mikem@ring3k.org>
Date: Mon, 30 May 2011 23:48:23 +0000 (+0900)
Subject: rtlwifi: Synchronize IRQ after disabling it
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2e69167c32780b2228f294505d5bf742494c960f;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

rtlwifi: Synchronize IRQ after disabling it

This make sure any IRQ handlers running on other CPUs complete.

Signed-off-by: Mike McCormack <mikem@ring3k.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
index d5d3c8a572c..944f55e9d31 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
@@ -1194,6 +1194,7 @@ void rtl92ce_disable_interrupt(struct ieee80211_hw *hw)
 	rtl_write_dword(rtlpriv, REG_HIMR, IMR8190_DISABLED);
 	rtl_write_dword(rtlpriv, REG_HIMRE, IMR8190_DISABLED);
 	rtlpci->irq_enabled = false;
+	synchronize_irq(rtlpci->pdev->irq);
 }
 
 static void _rtl92ce_poweroff_adapter(struct ieee80211_hw *hw)