diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index a101029..5822bcf 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -648,7 +648,7 @@ static void enable_board_wakeup_source(void)
 		OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
 }
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
diff --git a/arch/arm/mach-omap2/board-3630sdp.c b/arch/arm/mach-omap2/board-3630sdp.c
index 4386d2b..a0a2a11 100755
--- a/arch/arm/mach-omap2/board-3630sdp.c
+++ b/arch/arm/mach-omap2/board-3630sdp.c
@@ -54,7 +54,7 @@ static void enable_board_wakeup_source(void)
 		OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
 }
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index 70c1861..edbaa7f 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -273,7 +273,7 @@ static void __init am3517_evm_init_irq(void)
 	omap_gpio_init();
 }
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index afa77ca..046acd0 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -612,7 +612,7 @@ static struct omap2_hsmmc_info mmc[] = {
 	{}	/* Terminator */
 };
 
-static struct ehci_hcd_omap_platform_data ehci_pdata = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata = {
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index 3710190..5bfc13b 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -636,7 +636,7 @@ static struct omap_musb_board_data musb_board_data = {
 	.power			= 100,
 };
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index 9958987..4f1accf 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -442,7 +442,7 @@ static struct omap_musb_board_data musb_board_data = {
 	.power			= 100,
 };
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 6eb77e1..962d377 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -410,7 +410,7 @@ static void __init omap3beagle_flash_init(void)
 	}
 }
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index d6bc88c..7dfd603 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -635,7 +635,7 @@ static struct platform_device *omap3_evm_devices[] __initdata = {
 	&omap3_evm_dss_device,
 };
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 4827f46..51a5315 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -537,7 +537,7 @@ static struct platform_device *omap3pandora_devices[] __initdata = {
 	&pandora_dss_device,
 };
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c
index 3943d0f..382d6ef 100644
--- a/arch/arm/mach-omap2/board-omap3touchbook.c
+++ b/arch/arm/mach-omap2/board-omap3touchbook.c
@@ -493,7 +493,7 @@ static void __init omap3touchbook_flash_init(void)
 	}
 }
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index 50872a4..8848c7c 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -394,7 +394,7 @@ static struct platform_device *overo_devices[] __initdata = {
 	&overo_lcd_device,
 };
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
diff --git a/arch/arm/mach-omap2/board-zoom3.c b/arch/arm/mach-omap2/board-zoom3.c
index d3e3cd5..cd3e40c 100644
--- a/arch/arm/mach-omap2/board-zoom3.c
+++ b/arch/arm/mach-omap2/board-zoom3.c
@@ -52,7 +52,7 @@ static struct omap_board_mux board_mux[] __initdata = {
 #define board_mux	NULL
 #endif
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 	.port_mode[0]		= EHCI_HCD_OMAP_MODE_UNKNOWN,
 	.port_mode[1]		= EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[2]		= EHCI_HCD_OMAP_MODE_UNKNOWN,
diff --git a/arch/arm/mach-omap2/usb-ehci.c b/arch/arm/mach-omap2/usb-ehci.c
index f1df873..2a77759 100644
--- a/arch/arm/mach-omap2/usb-ehci.c
+++ b/arch/arm/mach-omap2/usb-ehci.c
@@ -213,7 +213,7 @@ static void setup_ehci_io_mux(enum ehci_hcd_omap_mode *port_mode)
 	return;
 }
 
-void __init usb_ehci_init(struct ehci_hcd_omap_platform_data *pdata)
+void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata)
 {
 	platform_device_add_data(&ehci_device, pdata, sizeof(*pdata));
 
@@ -229,7 +229,7 @@ void __init usb_ehci_init(struct ehci_hcd_omap_platform_data *pdata)
 
 #else
 
-void __init usb_ehci_init(struct ehci_hcd_omap_platform_data *pdata)
+void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata)
 
 {
 }
diff --git a/arch/arm/plat-omap/include/plat/usb.h b/arch/arm/plat-omap/include/plat/usb.h
index 288e29e..568578d 100644
--- a/arch/arm/plat-omap/include/plat/usb.h
+++ b/arch/arm/plat-omap/include/plat/usb.h
@@ -53,7 +53,7 @@ enum musb_interface    {MUSB_INTERFACE_ULPI, MUSB_INTERFACE_UTMI};
 
 extern void usb_musb_init(struct omap_musb_board_data *board_data);
 
-extern void usb_ehci_init(struct ehci_hcd_omap_platform_data *pdata);
+extern void usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata);
 
 #endif
 
