ARM: lpc32xx: use __iomem pointers for MMIO

ARM is moving to stricter checks on readl/write functions,
so we need to use the correct types everywhere.

Cc: Roland Stigge <stigge@antcom.de>
Cc: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/mach-lpc32xx/common.c

@@ -177,25 +177,25 @@ u32 clk_get_pclk_div(void)
 
 static struct map_desc lpc32xx_io_desc[] __initdata = {
 	{
-		.virtual	= IO_ADDRESS(LPC32XX_AHB0_START),
+		.virtual	= (unsigned long)IO_ADDRESS(LPC32XX_AHB0_START),
 		.pfn		= __phys_to_pfn(LPC32XX_AHB0_START),
 		.length		= LPC32XX_AHB0_SIZE,
 		.type		= MT_DEVICE
 	},
 	{
-		.virtual	= IO_ADDRESS(LPC32XX_AHB1_START),
+		.virtual	= (unsigned long)IO_ADDRESS(LPC32XX_AHB1_START),
 		.pfn		= __phys_to_pfn(LPC32XX_AHB1_START),
 		.length		= LPC32XX_AHB1_SIZE,
 		.type		= MT_DEVICE
 	},
 	{
-		.virtual	= IO_ADDRESS(LPC32XX_FABAPB_START),
+		.virtual	= (unsigned long)IO_ADDRESS(LPC32XX_FABAPB_START),
 		.pfn		= __phys_to_pfn(LPC32XX_FABAPB_START),
 		.length		= LPC32XX_FABAPB_SIZE,
 		.type		= MT_DEVICE
 	},
 	{
-		.virtual	= IO_ADDRESS(LPC32XX_IRAM_BASE),
+		.virtual	= (unsigned long)IO_ADDRESS(LPC32XX_IRAM_BASE),
 		.pfn		= __phys_to_pfn(LPC32XX_IRAM_BASE),
 		.length		= (LPC32XX_IRAM_BANK_SIZE * 2),
 		.type		= MT_DEVICE

arch/arm/mach-lpc32xx/include/mach/hardware.h

@@ -25,7 +25,7 @@
 /*
  * This macro relies on fact that for all HW i/o addresses bits 20-23 are 0
  */
-#define IO_ADDRESS(x)	(((((x) & 0xff000000) >> 4) | ((x) & 0xfffff)) |\
+#define IO_ADDRESS(x)	IOMEM(((((x) & 0xff000000) >> 4) | ((x) & 0xfffff)) |\
 			 IO_BASE)
 
 #define io_p2v(x)	((void __iomem *) (unsigned long) IO_ADDRESS(x))