linux-kernel - [147/264] ARM: pxa/cm-x300: properly set bt

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Message-Id: <20111109213156.970808931@clark.kroah.org>
Date:	Wed, 09 Nov 2011 13:33:14 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Axel Lin <axel.lin@...il.com>,
	Igor Grinberg <grinberg@...pulab.co.il>,
	Eric Miao <eric.y.miao@...il.com>
Subject: [147/264] ARM: pxa/cm-x300: properly set bt_reset pin

3.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Axel Lin <axel.lin@...il.com>

commit 1a64200ec5e93be03e27c3b2fc332e04ae443eb2 upstream.

Fix below build warning and properly set bt_reset pin.

  CC      arch/arm/mach-pxa/cm-x300.o
arch/arm/mach-pxa/cm-x300.c: In function 'cm_x300_init_wi2wi':
arch/arm/mach-pxa/cm-x300.c:779: warning: unused variable 'wlan_en'
arch/arm/mach-pxa/cm-x300.c:795: warning: 'bt_reset' may be used uninitialized in this function

Signed-off-by: Axel Lin <axel.lin@...il.com>
Acked-by: Igor Grinberg <grinberg@...pulab.co.il>
Signed-off-by: Eric Miao <eric.y.miao@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 arch/arm/mach-pxa/cm-x300.c |    8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

--- a/arch/arm/mach-pxa/cm-x300.c
+++ b/arch/arm/mach-pxa/cm-x300.c
@@ -775,7 +775,6 @@ static struct gpio cm_x300_wi2wi_gpios[]
 
 static void __init cm_x300_init_wi2wi(void)
 {
-	int bt_reset, wlan_en;
 	int err;
 
 	if (system_rev < 130) {
@@ -791,12 +790,11 @@ static void __init cm_x300_init_wi2wi(vo
 	}
 
 	udelay(10);
-	gpio_set_value(bt_reset, 0);
+	gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0);
 	udelay(10);
-	gpio_set_value(bt_reset, 1);
+	gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1);
 
-	gpio_free(wlan_en);
-	gpio_free(bt_reset);
+	gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 }
 
 /* MFP */


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