linux-kernel - [ 10/54] ARM: orion5x: Fix GPIO enable bits for MPP9

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Message-Id: <20120518211600.391829047@linuxfoundation.org>
Date:	Fri, 18 May 2012 14:16:09 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Henry von Tresckow <hvontres@...il.com>,
	Ben Hutchings <ben@...adent.org.uk>,
	Jason Cooper <jason@...edaemon.net>
Subject: [ 10/54] ARM: orion5x: Fix GPIO enable bits for MPP9

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

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

From: Ben Hutchings <ben@...adent.org.uk>

commit 48d99f47a81a66bdd61a348c7fe8df5a7afdf5f3 upstream.

Commit 554cdaefd1cf7bb54b209c4e68c7cec87ce442a9 ('ARM: orion5x: Refactor
mpp code to use common orion platform mpp.') seems to have accidentally
inverted the GPIO valid bits for MPP9 (only).  For the mv2120 platform
which uses MPP9 as a GPIO LED device, this results in the error:

[   12.711476] leds-gpio: probe of leds-gpio failed with error -22

Reported-by: Henry von Tresckow <hvontres@...il.com>
References: http://bugs.debian.org/667446
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
Tested-by: Hans Henry von Tresckow <hvontres@...il.com>
Signed-off-by: Jason Cooper <jason@...edaemon.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/mach-orion5x/mpp.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/arm/mach-orion5x/mpp.h
+++ b/arch/arm/mach-orion5x/mpp.h
@@ -65,8 +65,8 @@
 #define MPP8_GIGE               MPP(8,  0x1, 0, 0, 1,   1,   1)
 
 #define MPP9_UNUSED		MPP(9,  0x0, 0, 0, 1,   1,   1)
-#define MPP9_GPIO		MPP(9,  0x0, 0, 0, 1,   1,   1)
-#define MPP9_GIGE               MPP(9,  0x1, 1, 1, 1,   1,   1)
+#define MPP9_GPIO		MPP(9,  0x0, 1, 1, 1,   1,   1)
+#define MPP9_GIGE               MPP(9,  0x1, 0, 0, 1,   1,   1)
 
 #define MPP10_UNUSED		MPP(10, 0x0, 0, 0, 1,   1,   1)
 #define MPP10_GPIO		MPP(10, 0x0, 1, 1, 1,   1,   1)


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