linux-kernel - [ 35/83] ARM: imx: ehci: fix host power mask bit

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Date:	Wed, 21 Nov 2012 16:41:57 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk, Michael Burkey <mdburkey@...il.com>,
	Christoph Fritz <chf.fritz@...glemail.com>,
	Eric Bénard <eric@...rea.com>,
	Sascha Hauer <s.hauer@...gutronix.de>
Subject: [ 35/83] ARM: imx: ehci: fix host power mask bit

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

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

From: Christoph Fritz <chf.fritz@...glemail.com>

commit 3d5e2abe6e265acc5e1fda810301243e9bac92b2 upstream.

This patch sets HPM (Host power mask bit) to bit 16 according to i.MX
Reference Manual. Falsely it was set to bit 8, but this controls pull-up
Impedance.

Reported-by: Michael Burkey <mdburkey@...il.com>
Signed-off-by: Christoph Fritz <chf.fritz@...glemail.com>
Acked-by: Eric Bénard <eric@...rea.com>
Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/mach-imx/ehci-imx25.c |    2 +-
 arch/arm/mach-imx/ehci-imx35.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

--- a/arch/arm/mach-imx/ehci-imx25.c
+++ b/arch/arm/mach-imx/ehci-imx25.c
@@ -30,7 +30,7 @@
 #define MX25_H1_SIC_SHIFT	21
 #define MX25_H1_SIC_MASK	(0x3 << MX25_H1_SIC_SHIFT)
 #define MX25_H1_PP_BIT		(1 << 18)
-#define MX25_H1_PM_BIT		(1 << 8)
+#define MX25_H1_PM_BIT		(1 << 16)
 #define MX25_H1_IPPUE_UP_BIT	(1 << 7)
 #define MX25_H1_IPPUE_DOWN_BIT	(1 << 6)
 #define MX25_H1_TLL_BIT		(1 << 5)
--- a/arch/arm/mach-imx/ehci-imx35.c
+++ b/arch/arm/mach-imx/ehci-imx35.c
@@ -30,7 +30,7 @@
 #define MX35_H1_SIC_SHIFT	21
 #define MX35_H1_SIC_MASK	(0x3 << MX35_H1_SIC_SHIFT)
 #define MX35_H1_PP_BIT		(1 << 18)
-#define MX35_H1_PM_BIT		(1 << 8)
+#define MX35_H1_PM_BIT		(1 << 16)
 #define MX35_H1_IPPUE_UP_BIT	(1 << 7)
 #define MX35_H1_IPPUE_DOWN_BIT	(1 << 6)
 #define MX35_H1_TLL_BIT		(1 << 5)


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