ARM: Add caller information to ioremap

This allows the procfs vmallocinfo file to show who created the ioremap
regions.  Note: __builtin_return_address(0) doesn't do what's expected
if its used in an inline function, so we leave __arm_ioremap callers
in such places alone.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-iop13xx/io.c b/arch/arm/mach-iop13xx/io.c
index 5295809..48642e6 100644
--- a/arch/arm/mach-iop13xx/io.c
+++ b/arch/arm/mach-iop13xx/io.c
@@ -61,9 +61,9 @@
 			         (cookie - IOP13XX_PCIE_LOWER_MEM_RA));
 		break;
 	case IOP13XX_PBI_LOWER_MEM_RA ... IOP13XX_PBI_UPPER_MEM_RA:
-		retval = __arm_ioremap(IOP13XX_PBI_LOWER_MEM_PA +
+		retval = __arm_ioremap_caller(IOP13XX_PBI_LOWER_MEM_PA +
 				       (cookie - IOP13XX_PBI_LOWER_MEM_RA),
-				       size, mtype);
+				       size, mtype, __builtin_return_address(0));
 		break;
 	case IOP13XX_PCIE_LOWER_IO_PA ... IOP13XX_PCIE_UPPER_IO_PA:
 		retval = (void *) IOP13XX_PCIE_IO_PHYS_TO_VIRT(cookie);
@@ -75,7 +75,8 @@
 		retval = (void *) IOP13XX_PMMR_PHYS_TO_VIRT(cookie);
 		break;
 	default:
-		retval = __arm_ioremap(cookie, size, mtype);
+		retval = __arm_ioremap_caller(cookie, size, mtype,
+				__builtin_return_address(0));
 	}
 
 	return retval;