[ARM] omap: usb: thou shalt not provide empty release functions

... for devices.  Doing so is a bug, plain and simple, and drives
GregKH round the bend.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/plat-omap/usb.c

@@ -431,15 +431,6 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
 
 /*-------------------------------------------------------------------------*/
 
-#if	defined(CONFIG_USB_GADGET_OMAP) || \
-	defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) || \
-	(defined(CONFIG_USB_OTG) && defined(CONFIG_ARCH_OMAP_OTG))
-static void usb_release(struct device *dev)
-{
-	/* normally not freed */
-}
-#endif
-
 #ifdef	CONFIG_USB_GADGET_OMAP
 
 static struct resource udc_resources[] = {
@@ -466,7 +457,6 @@ static struct platform_device udc_device = {
 	.name		= "omap_udc",
 	.id		= -1,
 	.dev = {
-		.release		= usb_release,
 		.dma_mask		= &udc_dmamask,
 		.coherent_dma_mask	= 0xffffffff,
 	},
@@ -497,7 +487,6 @@ static struct platform_device ohci_device = {
 	.name			= "ohci",
 	.id			= -1,
 	.dev = {
-		.release		= usb_release,
 		.dma_mask		= &ohci_dmamask,
 		.coherent_dma_mask	= 0xffffffff,
 	},
@@ -524,9 +513,6 @@ static struct resource otg_resources[] = {
 static struct platform_device otg_device = {
 	.name		= "omap_otg",
 	.id		= -1,
-	.dev = {
-		.release		= usb_release,
-	},
 	.num_resources	= ARRAY_SIZE(otg_resources),
 	.resource	= otg_resources,
 };