Merge remote-tracking branch 'fsl-linux-sdk/imx_3.0.35_4.0.0' into imx_3.0.35_android

Conflicts:
	drivers/net/fec.c

15 files changed, 138 insertions, 16 deletions

diff --git a/arch/arm/configs/imx6_defconfig b/arch/arm/configs/imx6_defconfig
index 3b2d31e4c4d2..13a4ef171e2e 100644
--- a/arch/arm/configs/imx6_defconfig
+++ b/arch/arm/configs/imx6_defconfig
@@ -332,6 +332,7 @@ CONFIG_ARCH_MXC_AUDMUX_V2=y
 CONFIG_IRAM_ALLOC=y
 CONFIG_CLK_DEBUG=y
 CONFIG_DMA_ZONE_SIZE=184
+#CONFIG_MX6_ENET_IRQ_TO_GPIO is not set
 
 #
 # System MMU
diff --git a/arch/arm/mach-mx6/Kconfig b/arch/arm/mach-mx6/Kconfig
index 59d8ab313f73..df954b40d8e8 100644
--- a/arch/arm/mach-mx6/Kconfig
+++ b/arch/arm/mach-mx6/Kconfig
@@ -319,4 +319,11 @@ config MACH_IMX_BLUETOOTH_RFKILL
        ---help---
 	Say Y to get the standard rfkill interface of Bluetooth
 
+config MX6_ENET_IRQ_TO_GPIO
+	bool "Route ENET interrupts to GPIO"
+	default n
+	help
+	   Enabling this will direct all the ENET interrupts to a board specific GPIO.
+	   This will allow the system to enter WAIT mode when ENET is active.
+
 endif
diff --git a/arch/arm/mach-mx6/board-mx6q_arm2.c b/arch/arm/mach-mx6/board-mx6q_arm2.c
index d627324d77ab..8a2687d04f36 100644
--- a/arch/arm/mach-mx6/board-mx6q_arm2.c
+++ b/arch/arm/mach-mx6/board-mx6q_arm2.c
@@ -156,6 +156,12 @@
 
 #define MX6_ARM2_CAN2_STBY		MX6_ARM2_IO_EXP_GPIO2(1)
 
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+#define MX6_ENET_IRQ		IMX_GPIO_NR(1, 6)
+#define IOMUX_OBSRV_MUX1_OFFSET	0x3c
+#define OBSRV_MUX1_MASK			0x3f
+#define OBSRV_MUX1_ENET_IRQ		0x9
+#endif
 
 #define BMCR_PDOWN			0x0800 /* PHY Powerdown */
 
@@ -388,6 +394,9 @@ static struct fec_platform_data fec_data __initdata = {
 	.init			= mx6_arm2_fec_phy_init,
 	.power_hibernate	= mx6_arm2_fec_power_hibernate,
 	.phy			= PHY_INTERFACE_MODE_RGMII,
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+	.gpio_irq = MX6_ENET_IRQ,
+#endif
 };
 
 static int mx6_arm2_spi_cs[] = {
@@ -2200,8 +2209,14 @@ static void __init mx6_arm2_init(void)
 
 	imx6q_add_anatop_thermal_imx(1, &mx6_arm2_anatop_thermal_data);
 
-	if (!esai_record)
+	if (!esai_record) {
 		imx6_init_fec(fec_data);
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+	/* Make sure the IOMUX_OBSRV_MUX1 is set to ENET_IRQ. */
+	mxc_iomux_set_specialbits_register(IOMUX_OBSRV_MUX1_OFFSET,
+		OBSRV_MUX1_ENET_IRQ, OBSRV_MUX1_MASK);
+#endif
+	}
 
 	imx6q_add_pm_imx(0, &mx6_arm2_pm_data);
 	imx6q_add_sdhci_usdhc_imx(3, &mx6_arm2_sd4_data);
diff --git a/arch/arm/mach-mx6/board-mx6q_arm2.h b/arch/arm/mach-mx6/board-mx6q_arm2.h
index eb06ef89bdd8..2a6a2052b3f9 100644
--- a/arch/arm/mach-mx6/board-mx6q_arm2.h
+++ b/arch/arm/mach-mx6/board-mx6q_arm2.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2012, 2013 Freescale Semiconductor, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -183,10 +183,14 @@ static iomux_v3_cfg_t mx6q_arm2_pads[] = {
 	/* USBOTG ID pin */
 	MX6Q_PAD_GPIO_1__USBOTG_ID,
 
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+	MX6Q_PAD_GPIO_6__OBSERVE_MUX_OBSRV_INT_OUT1,
+#else
 	/* MLB150 */
 	MX6Q_PAD_GPIO_3__MLB_MLBCLK,
 	MX6Q_PAD_GPIO_6__MLB_MLBSIG,
 	MX6Q_PAD_GPIO_2__MLB_MLBDAT,
+#endif
 };
 
 static iomux_v3_cfg_t mx6q_arm2_i2c3_pads[] = {
diff --git a/arch/arm/mach-mx6/board-mx6q_sabreauto.c b/arch/arm/mach-mx6/board-mx6q_sabreauto.c
index 1d54e2c1037d..2700a249c20e 100644
--- a/arch/arm/mach-mx6/board-mx6q_sabreauto.c
+++ b/arch/arm/mach-mx6/board-mx6q_sabreauto.c
@@ -115,6 +115,13 @@
 #define SABREAUTO_MAX7310_2_BASE_ADDR	IMX_GPIO_NR(8, 8)
 #define SABREAUTO_MAX7310_3_BASE_ADDR	IMX_GPIO_NR(8, 16)
 
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+#define MX6_ENET_IRQ		IMX_GPIO_NR(1, 6)
+#define IOMUX_OBSRV_MUX1_OFFSET	0x3c
+#define OBSRV_MUX1_MASK			0x3f
+#define OBSRV_MUX1_ENET_IRQ		0x9
+#endif
+
 #define SABREAUTO_IO_EXP_GPIO1(x)	(SABREAUTO_MAX7310_1_BASE_ADDR + (x))
 #define SABREAUTO_IO_EXP_GPIO2(x)	(SABREAUTO_MAX7310_2_BASE_ADDR + (x))
 #define SABREAUTO_IO_EXP_GPIO3(x)	(SABREAUTO_MAX7310_3_BASE_ADDR + (x))
@@ -409,6 +416,9 @@ static struct fec_platform_data fec_data __initdata = {
 	.init			= mx6q_sabreauto_fec_phy_init,
 	.power_hibernate	= mx6q_sabreauto_fec_power_hibernate,
 	.phy			= PHY_INTERFACE_MODE_RGMII,
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+	.gpio_irq = MX6_ENET_IRQ,
+#endif
 };
 
 static int mx6q_sabreauto_spi_cs[] = {
@@ -1689,9 +1699,15 @@ static void __init mx6_board_init(void)
 
 	imx6q_add_anatop_thermal_imx(1, &mx6q_sabreauto_anatop_thermal_data);
 
-	if (!can0_enable)
+	if (!can0_enable) {
 		imx6_init_fec(fec_data);
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+		/* Make sure the IOMUX_OBSRV_MUX1 is set to ENET_IRQ. */
+		mxc_iomux_set_specialbits_register(IOMUX_OBSRV_MUX1_OFFSET,
+			OBSRV_MUX1_ENET_IRQ, OBSRV_MUX1_MASK);
+#endif
 
+	}
 	imx6q_add_pm_imx(0, &mx6q_sabreauto_pm_data);
 
 	imx6q_add_sdhci_usdhc_imx(2, &mx6q_sabreauto_sd3_data);
diff --git a/arch/arm/mach-mx6/board-mx6q_sabreauto.h b/arch/arm/mach-mx6/board-mx6q_sabreauto.h
index b1e2b9eec10b..e4d62f1baaa5 100644
--- a/arch/arm/mach-mx6/board-mx6q_sabreauto.h
+++ b/arch/arm/mach-mx6/board-mx6q_sabreauto.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2012-2013 Freescale Semiconductor, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -208,10 +208,14 @@ static iomux_v3_cfg_t mx6q_sabreauto_pads[] = {
 	/* HDMI */
 	MX6Q_PAD_EIM_A25__HDMI_TX_CEC_LINE,
 
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+	MX6Q_PAD_GPIO_6__OBSERVE_MUX_OBSRV_INT_OUT1,
+#else
 	/* MLB150 */
 	MX6Q_PAD_ENET_TXD1__MLB_MLBCLK,
 	MX6Q_PAD_GPIO_6__MLB_MLBSIG,
 	MX6Q_PAD_GPIO_2__MLB_MLBDAT,
+#endif
 };
 
 static iomux_v3_cfg_t mx6q_sabreauto_can0_pads[] = {
diff --git a/arch/arm/mach-mx6/board-mx6q_sabrelite.c b/arch/arm/mach-mx6/board-mx6q_sabrelite.c
index 24914fe6904b..338c16ab6a52 100644
--- a/arch/arm/mach-mx6/board-mx6q_sabrelite.c
+++ b/arch/arm/mach-mx6/board-mx6q_sabrelite.c
@@ -94,6 +94,13 @@
 #define MX6Q_SABRELITE_CSI0_RST		IMX_GPIO_NR(1, 8)
 #define MX6Q_SABRELITE_CSI0_PWN		IMX_GPIO_NR(1, 6)
 
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+#define MX6_ENET_IRQ		IMX_GPIO_NR(1, 6)
+#define IOMUX_OBSRV_MUX1_OFFSET	0x3c
+#define OBSRV_MUX1_MASK			0x3f
+#define OBSRV_MUX1_ENET_IRQ		0x9
+#endif
+
 #define MX6Q_SABRELITE_SD3_WP_PADCFG	(PAD_CTL_PKE | PAD_CTL_PUE |	\
 		PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_MED |	\
 		PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
@@ -322,7 +329,9 @@ static iomux_v3_cfg_t mx6q_sabrelite_csi0_sensor_pads[] = {
 	MX6Q_PAD_CSI0_MCLK__IPU1_CSI0_HSYNC,
 	MX6Q_PAD_CSI0_PIXCLK__IPU1_CSI0_PIXCLK,
 	MX6Q_PAD_CSI0_VSYNC__IPU1_CSI0_VSYNC,
+#ifndef CONFIG_MX6_ENET_IRQ_TO_GPIO
 	MX6Q_PAD_GPIO_6__GPIO_1_6,		/* J5 - Camera GP */
+#endif
 	MX6Q_PAD_GPIO_8__GPIO_1_8,		/* J5 - Camera Reset */
 	MX6Q_PAD_SD1_DAT0__GPIO_1_16,		/* J5 - Camera GP */
 	MX6Q_PAD_NANDF_D5__GPIO_2_5,		/* J16 - MIPI GP */
@@ -468,6 +477,9 @@ static int mx6q_sabrelite_fec_phy_init(struct phy_device *phydev)
 static struct fec_platform_data fec_data __initdata = {
 	.init = mx6q_sabrelite_fec_phy_init,
 	.phy = PHY_INTERFACE_MODE_RGMII,
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+	.gpio_irq = MX6_ENET_IRQ,
+#endif
 };
 
 static int mx6q_sabrelite_spi_cs[] = {
@@ -1259,6 +1271,11 @@ static void __init mx6_sabrelite_board_init(void)
 
 	imx6q_add_anatop_thermal_imx(1, &mx6q_sabrelite_anatop_thermal_data);
 	imx6_init_fec(fec_data);
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+	/* Make sure the IOMUX_OBSRV_MUX1 is set to ENET_IRQ. */
+	mxc_iomux_set_specialbits_register(IOMUX_OBSRV_MUX1_OFFSET,
+		OBSRV_MUX1_ENET_IRQ, OBSRV_MUX1_MASK);
+#endif
 	imx6q_add_pm_imx(0, &mx6q_sabrelite_pm_data);
 	imx6q_add_sdhci_usdhc_imx(3, &mx6q_sabrelite_sd4_data);
 	imx6q_add_sdhci_usdhc_imx(2, &mx6q_sabrelite_sd3_data);
diff --git a/arch/arm/mach-mx6/board-mx6q_sabresd.c b/arch/arm/mach-mx6/board-mx6q_sabresd.c
index 72f5c3c07308..739ae4083ebf 100644
--- a/arch/arm/mach-mx6/board-mx6q_sabresd.c
+++ b/arch/arm/mach-mx6/board-mx6q_sabresd.c
@@ -201,6 +201,13 @@
 #define SABRESD_ELAN_RST	IMX_GPIO_NR(3, 8)
 #define SABRESD_ELAN_INT	IMX_GPIO_NR(3, 28)
 
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+#define MX6_ENET_IRQ		IMX_GPIO_NR(1, 6)
+#define IOMUX_OBSRV_MUX1_OFFSET	0x3c
+#define OBSRV_MUX1_MASK			0x3f
+#define OBSRV_MUX1_ENET_IRQ		0x9
+#endif
+
 static struct clk *sata_clk;
 static struct clk *clko;
 static int mma8451_position;
@@ -303,6 +310,9 @@ static int mx6q_sabresd_fec_phy_init(struct phy_device *phydev)
 static struct fec_platform_data fec_data __initdata = {
 	.init = mx6q_sabresd_fec_phy_init,
 	.phy = PHY_INTERFACE_MODE_RGMII,
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+	.gpio_irq = MX6_ENET_IRQ,
+#endif
 };
 
 static int mx6q_sabresd_spi_cs[] = {
@@ -1943,6 +1953,12 @@ static void __init mx6_sabresd_board_init(void)
 
 	imx6q_add_anatop_thermal_imx(1, &mx6q_sabresd_anatop_thermal_data);
 	imx6_init_fec(fec_data);
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+	/* Make sure the IOMUX_OBSRV_MUX1 is set to ENET_IRQ. */
+	mxc_iomux_set_specialbits_register(IOMUX_OBSRV_MUX1_OFFSET,
+		OBSRV_MUX1_ENET_IRQ, OBSRV_MUX1_MASK);
+#endif
+
 	imx6q_add_pm_imx(0, &mx6q_sabresd_pm_data);
 
 	/* Move sd4 to first because sd4 connect to emmc.
diff --git a/arch/arm/mach-mx6/board-mx6q_sabresd.h b/arch/arm/mach-mx6/board-mx6q_sabresd.h
index a1f5cd9166a3..b2bb8c923f0f 100644
--- a/arch/arm/mach-mx6/board-mx6q_sabresd.h
+++ b/arch/arm/mach-mx6/board-mx6q_sabresd.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2012-2013 Freescale Semiconductor, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -132,9 +132,13 @@ static iomux_v3_cfg_t mx6q_sabresd_pads[] = {
 	MX6Q_PAD_KEY_COL3__I2C2_SCL,
 	MX6Q_PAD_KEY_ROW3__I2C2_SDA,
 
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+	MX6Q_PAD_GPIO_6__OBSERVE_MUX_OBSRV_INT_OUT1,
+#else
 	/* I2C3 */
 	MX6Q_PAD_GPIO_3__I2C3_SCL,	/* GPIO1[3] */
 	MX6Q_PAD_GPIO_6__I2C3_SDA,
+#endif
 
 	/* DISPLAY */
 	MX6Q_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK,
diff --git a/arch/arm/mach-mx6/clock.c b/arch/arm/mach-mx6/clock.c
index c45fa2cafe71..512be6a40ec3 100644
--- a/arch/arm/mach-mx6/clock.c
+++ b/arch/arm/mach-mx6/clock.c
@@ -51,6 +51,7 @@ extern int lp_med_freq;
 extern int wait_mode_arm_podf;
 extern int lp_audio_freq;
 extern int cur_arm_podf;
+extern bool enet_is_active;
 
 void __iomem *apll_base;
 
@@ -3724,6 +3725,23 @@ static unsigned long _clk_enet_get_rate(struct clk *clk)
 	return 500000000 / div;
 }
 
+static int _clk_enet_enable(struct clk *clk)
+{
+#ifndef CONFIG_MX6_ENET_IRQ_TO_GPIO
+	enet_is_active = true;
+#endif
+	_clk_enable(clk);
+	return 0;
+}
+
+static void _clk_enet_disable(struct clk *clk)
+{
+	_clk_disable(clk);
+#ifndef CONFIG_MX6_ENET_IRQ_TO_GPIO
+	enet_is_active = false;
+#endif
+}
+
 static struct clk enet_clk[] = {
 	{
 	__INIT_CLK_DEBUG(enet_clk)
@@ -3731,8 +3749,8 @@ static struct clk enet_clk[] = {
 	 .parent = &pll8_enet_main_clk,
 	 .enable_reg = MXC_CCM_CCGR1,
 	 .enable_shift = MXC_CCM_CCGRx_CG5_OFFSET,
-	 .enable = _clk_enable,
-	 .disable = _clk_disable,
+	 .enable = _clk_enet_enable,
+	 .disable = _clk_enet_disable,
 	 .set_rate = _clk_enet_set_rate,
 	 .get_rate = _clk_enet_get_rate,
 	.secondary = &enet_clk[1],
diff --git a/arch/arm/mach-mx6/system.c b/arch/arm/mach-mx6/system.c
index 61649c5ed5d8..c9f520a85ba8 100644
--- a/arch/arm/mach-mx6/system.c
+++ b/arch/arm/mach-mx6/system.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2012 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -57,6 +57,7 @@ volatile unsigned int num_cpu_idle;
 volatile unsigned int num_cpu_idle_lock = 0x0;
 int wait_mode_arm_podf;
 int cur_arm_podf;
+bool enet_is_active;
 void arch_idle_with_workaround(int cpu);
 
 extern void *mx6sl_wfi_iram_base;
@@ -406,7 +407,7 @@ void arch_idle_multi_core(void)
 
 void arch_idle(void)
 {
-	if (enable_wait_mode) {
+	if (enable_wait_mode && !enet_is_active) {
 		mxc_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
 		if (mem_clk_on_in_wait) {
 			u32 reg;
diff --git a/arch/arm/mach-mx6/usb_dr.c b/arch/arm/mach-mx6/usb_dr.c
index 7c8ef2f16447..8fb850397c10 100644
--- a/arch/arm/mach-mx6/usb_dr.c
+++ b/arch/arm/mach-mx6/usb_dr.c
@@ -144,6 +144,10 @@ static int usbotg_init_ext(struct platform_device *pdev)
 
 	ret = usbotg_init(pdev);
 	if (ret) {
+		clk_disable(usb_oh3_clk);
+		clk_put(usb_oh3_clk);
+		clk_disable(usb_phy1_clk);
+		clk_put(usb_phy1_clk);
 		printk(KERN_ERR "otg init fails......\n");
 		return ret;
 	}
diff --git a/arch/arm/mach-mx6/usb_h1.c b/arch/arm/mach-mx6/usb_h1.c
index d983e2870045..d4b7001a111c 100644
--- a/arch/arm/mach-mx6/usb_h1.c
+++ b/arch/arm/mach-mx6/usb_h1.c
@@ -148,6 +148,8 @@ static int fsl_usb_host_init_ext(struct platform_device *pdev)
 	ret = fsl_usb_host_init(pdev);
 	if (ret) {
 		printk(KERN_ERR "host1 init fails......\n");
+		clk_disable(usb_oh3_clk);
+		clk_put(usb_oh3_clk);
 		return ret;
 	}
 	usbh1_internal_phy_clock_gate(true);
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx6q.h b/arch/arm/plat-mxc/include/mach/iomux-mx6q.h
index db7e6616c4a2..36ae997d4db5 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx6q.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx6q.h
@@ -97,6 +97,9 @@
 		PAD_CTL_SPEED_MED | PAD_CTL_PKE	| PAD_CTL_PUE | 	\
 		PAD_CTL_PUS_100K_UP)
 
+#define ENET_IRQ_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_DSE_40ohm | \
+		PAD_CTL_SPEED_MED)
+
 #define _MX6Q_PAD_SD2_DAT1__USDHC2_DAT1				\
 		IOMUX_PAD(0x0360, 0x004C, 0, 0x0000, 0, 0)
 #define _MX6Q_PAD_SD2_DAT1__ECSPI5_SS0				\
@@ -2329,8 +2332,13 @@
 
 #define _MX6Q_PAD_GPIO_6__ESAI1_SCKT			\
 		IOMUX_PAD(0x0600, 0x0230, 0, 0x0870, 1, 0)
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+#define _MX6Q_PAD_GPIO_6__OBSERVE_MUX_OBSRV_INT_OUT1		\
+		IOMUX_PAD(0x0600, 0x0230, 1 | IOMUX_CONFIG_SION, 0x0000, 0, 0)
+#else
 #define _MX6Q_PAD_GPIO_6__OBSERVE_MUX_OBSRV_INT_OUT1		\
 		IOMUX_PAD(0x0600, 0x0230, 1, 0x0000, 0, 0)
+#endif
 #define _MX6Q_PAD_GPIO_6__I2C3_SDA			\
 		IOMUX_PAD(0x0600, 0x0230, 2 | IOMUX_CONFIG_SION, 0x08AC, 1, 0)
 #define _MX6Q_PAD_GPIO_6__CCM_CCM_OUT_0			\
@@ -5932,22 +5940,27 @@
 #define  MX6Q_PAD_GPIO_3__MLB_MLBCLK		\
 		(_MX6Q_PAD_GPIO_3__MLB_MLBCLK | MUX_PAD_CTRL(MX6Q_MLB150_PAD_CTRL))
 
-#define  MX6Q_PAD_GPIO_6__ESAI1_SCKT		\
-		(_MX6Q_PAD_GPIO_6__ESAI1_SCKT | MUX_PAD_CTRL(NO_PAD_CTRL))
+#ifdef CONFIG_MX6_ENET_IRQ_TO_GPIO
+#define  MX6Q_PAD_GPIO_6__OBSERVE_MUX_OBSRV_INT_OUT1		\
+		(_MX6Q_PAD_GPIO_6__OBSERVE_MUX_OBSRV_INT_OUT1 | MUX_PAD_CTRL(ENET_IRQ_PAD_CTRL))
+#else
 #define  MX6Q_PAD_GPIO_6__OBSERVE_MUX_OBSRV_INT_OUT1		\
 		(_MX6Q_PAD_GPIO_6__OBSERVE_MUX_OBSRV_INT_OUT1 | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define  MX6Q_PAD_GPIO_6__ESAI1_SCKT		\
+		(_MX6Q_PAD_GPIO_6__ESAI1_SCKT | MUX_PAD_CTRL(NO_PAD_CTRL))
+#define  MX6Q_PAD_GPIO_6__GPIO_1_6		\
+		(_MX6Q_PAD_GPIO_6__GPIO_1_6 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define  MX6Q_PAD_GPIO_6__I2C3_SDA		\
 		(_MX6Q_PAD_GPIO_6__I2C3_SDA | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define  MX6Q_PAD_GPIO_6__CCM_CCM_OUT_0		\
 		(_MX6Q_PAD_GPIO_6__CCM_CCM_OUT_0 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define  MX6Q_PAD_GPIO_6__CSU_CSU_INT_DEB		\
 		(_MX6Q_PAD_GPIO_6__CSU_CSU_INT_DEB | MUX_PAD_CTRL(NO_PAD_CTRL))
-#define  MX6Q_PAD_GPIO_6__GPIO_1_6		\
-		(_MX6Q_PAD_GPIO_6__GPIO_1_6 | MUX_PAD_CTRL(NO_PAD_CTRL))
 #define  MX6Q_PAD_GPIO_6__USDHC2_LCTL		\
 		(_MX6Q_PAD_GPIO_6__USDHC2_LCTL | MUX_PAD_CTRL(MX6Q_USDHC_PAD_CTRL))
 #define  MX6Q_PAD_GPIO_6__MLB_MLBSIG		\
 		(_MX6Q_PAD_GPIO_6__MLB_MLBSIG | MUX_PAD_CTRL(MX6Q_MLB150_PAD_CTRL))
+#endif
 
 #define  MX6Q_PAD_GPIO_2__ESAI1_FST		\
 		(_MX6Q_PAD_GPIO_2__ESAI1_FST | MUX_PAD_CTRL(NO_PAD_CTRL))
diff --git a/arch/arm/plat-mxc/usb_common.c b/arch/arm/plat-mxc/usb_common.c
index a327d3016619..f6acb8af5448 100755
--- a/arch/arm/plat-mxc/usb_common.c
+++ b/arch/arm/plat-mxc/usb_common.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2012 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -182,7 +182,7 @@ void fsl_usb_xcvr_unregister(struct fsl_xcvr_ops *xcvr_ops)
 
 	pr_debug("%s\n", __func__);
 	for (i = 0; i < MXC_NUMBER_USB_TRANSCEIVER; i++) {
-		if (g_xc_ops[i] == xcvr_ops) {
+		if (g_xc_ops[i] && (g_xc_ops[i] == xcvr_ops)) {
 			g_xc_ops[i] = NULL;
 			return;
 		}
@@ -203,7 +203,7 @@ static struct fsl_xcvr_ops *fsl_usb_get_xcvr(char *name)
 	}
 
 	for (i = 0; i < MXC_NUMBER_USB_TRANSCEIVER; i++) {
-		if (strcmp(g_xc_ops[i]->name, name) == 0) {
+		if (g_xc_ops[i] && (strcmp(g_xc_ops[i]->name, name) == 0)) {
 			return g_xc_ops[i];
 		}
 	}