From 13a5045d4ee5a244195062cbf2c651d1b4f22aa7 Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Tue, 7 Feb 2012 09:28:22 -0600 Subject: ARM: make arch_ret_to_user macro optional Only 3 platforms need arch_ret_to_user macro, so add ARCH_HAS_RET_TO_USER kconfig option and make iop13xx, iop32x and iop33x select it. Signed-off-by: Rob Herring Acked-by: Nicolas Pitre --- arch/arm/Kconfig | 6 ++++++ arch/arm/kernel/entry-common.S | 8 +++++++- 2 files changed, 13 insertions(+), 1 deletion(-) (limited to 'arch/arm') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index a48aecc17eac..7d809b7e0504 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -186,6 +186,9 @@ config GENERIC_ISA_DMA config FIQ bool +config NEED_RET_TO_USER + bool + config ARCH_MTD_XIP bool @@ -479,6 +482,7 @@ config ARCH_IOP13XX select ARCH_SUPPORTS_MSI select VMSPLIT_1G select NEED_MACH_MEMORY_H + select NEED_RET_TO_USER help Support for Intel's IOP13XX (XScale) family of processors. @@ -486,6 +490,7 @@ config ARCH_IOP32X bool "IOP32x-based" depends on MMU select CPU_XSCALE + select NEED_RET_TO_USER select PLAT_IOP select PCI select ARCH_REQUIRE_GPIOLIB @@ -497,6 +502,7 @@ config ARCH_IOP33X bool "IOP33x-based" depends on MMU select CPU_XSCALE + select NEED_RET_TO_USER select PLAT_IOP select PCI select ARCH_REQUIRE_GPIOLIB diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 9fd0ba90c1d2..54ee265dd819 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -10,9 +10,15 @@ #include #include -#include #include +#ifdef CONFIG_NEED_RET_TO_USER +#include +#else + .macro arch_ret_to_user, tmp1, tmp2 + .endm +#endif + #include "entry-header.S" -- cgit v1.2.3