linux-kernel - [PATCH] [53/275] iwlagn: Re-enable RF

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Message-Id: <20110330210449.7BE203E1A05@tassilo.jf.intel.com>
Date:	Wed, 30 Mar 2011 14:04:49 -0700 (PDT)
From:	Andi Kleen <andi@...stfloor.org>
To:	donald.h.fry@...el.com, wey-yi.w.guy@...el.com,
	linville@...driver.com, gregkh@...e.de, ak@...ux.intel.com,
	linux-kernel@...r.kernel.org, stable@...nel.org,
	tim.bird@...sony.com
Subject: [PATCH] [53/275] iwlagn: Re-enable RF_KILL interrupt when down

2.6.35-longterm review patch.  If anyone has any objections, please let me know.

------------------
From: Don Fry <donald.h.fry@...el.com>

commit 3dd823e6b86407aed1a025041d8f1df77e43a9c8 upstream.

With commit 554d1d027b19265c4aa3f718b3126d2b86e09a08 only one RF_KILL
interrupt will be seen by the driver when the interface is down.

Re-enable the interrupt when it occurs to see all transitions.

Signed-off-by: Don Fry <donald.h.fry@...el.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@...el.com>
Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>

---
 drivers/net/wireless/iwlwifi/iwl-agn.c |    6 ++++++
 1 file changed, 6 insertions(+)

Index: linux-2.6.35.y/drivers/net/wireless/iwlwifi/iwl-agn.c
===================================================================
--- linux-2.6.35.y.orig/drivers/net/wireless/iwlwifi/iwl-agn.c	2011-03-29 23:02:58.917327873 -0700
+++ linux-2.6.35.y/drivers/net/wireless/iwlwifi/iwl-agn.c	2011-03-29 23:02:59.268318892 -0700
@@ -1205,6 +1205,9 @@
 	/* only Re-enable if diabled by irq */
 	if (test_bit(STATUS_INT_ENABLED, &priv->status))
 		iwl_enable_interrupts(priv);
+	/* Re-enable RF_KILL if it occurred */
+	else if (handled & CSR_INT_BIT_RF_KILL)
+		iwl_enable_rfkill_int(priv);
 
 #ifdef CONFIG_IWLWIFI_DEBUG
 	if (iwl_get_debug_level(priv) & (IWL_DL_ISR)) {
@@ -1420,6 +1423,9 @@
 	/* only Re-enable if diabled by irq */
 	if (test_bit(STATUS_INT_ENABLED, &priv->status))
 		iwl_enable_interrupts(priv);
+	/* Re-enable RF_KILL if it occurred */
+	else if (handled & CSR_INT_BIT_RF_KILL)
+		iwl_enable_rfkill_int(priv);
 }
 
 /* the threshold ratio of actual_ack_cnt to expected_ack_cnt in percent */
--
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