linux-kernel - [20/70] ARM: pxa: fix PGSR register address calculation

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Message-Id: <20110801232052.608769171@clark.kroah.org>
Date:	Mon, 01 Aug 2011 16:18:35 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Paul Parsons <lost.distance@...oo.com>,
	Eric Miao <eric.y.miao@...il.com>
Subject: [20/70] ARM: pxa: fix PGSR register address calculation

2.6.39-stable review patch.  If anyone has any objections, please let us know.

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

From: Paul Parsons <lost.distance@...oo.com>

commit beb0c9b056b1c23d2029b46a425362e9ccbeba01 upstream.

The file mfp-pxa2xx.c defines a macro, PGSR(), which translates a gpio
bank number to a PGSR register address. The function pxa2xx_mfp_suspend()
erroneously passed in a gpio number instead of a gpio bank number.

Signed-off-by: Paul Parsons <lost.distance@...oo.com>
Signed-off-by: Eric Miao <eric.y.miao@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 arch/arm/mach-pxa/mfp-pxa2xx.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/arm/mach-pxa/mfp-pxa2xx.c
+++ b/arch/arm/mach-pxa/mfp-pxa2xx.c
@@ -347,9 +347,9 @@ static int pxa2xx_mfp_suspend(struct sys
 		if ((gpio_desc[i].config & MFP_LPM_KEEP_OUTPUT) &&
 		    (GPDR(i) & GPIO_bit(i))) {
 			if (GPLR(i) & GPIO_bit(i))
-				PGSR(i) |= GPIO_bit(i);
+				PGSR(gpio_to_bank(i)) |= GPIO_bit(i);
 			else
-				PGSR(i) &= ~GPIO_bit(i);
+				PGSR(gpio_to_bank(i)) &= ~GPIO_bit(i);
 		}
 	}
 


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