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Commit 731d97c2 authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski
Browse files

ARM: EXYNOS: Annotate iomem and pm_data pointers __ro_after_init 



The pointers to __iomem sysram and exynos_pm_data are set only during
initcalls.  Later the pointers itself are used only in read-only way so
we can mark them __ro_after_init to increase code safeness.

Signed-off-by: default avatarKrzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: default avatarBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
parent b4765037

arch/arm/mach-exynos/exynos.c

+2 −2
Original line number Diff line number Diff line
@@ -45,8 +45,8 @@ static struct platform_device exynos_cpuidle = { 
	.id                = -1,

};



void __iomem *sysram_base_addr;

void __iomem *sysram_ns_base_addr;

void __iomem *sysram_base_addr __ro_after_init;

void __iomem *sysram_ns_base_addr __ro_after_init;



void __init exynos_sysram_init(void)

{

arch/arm/mach-exynos/mcpm-exynos.c

+1 −1
Original line number Diff line number Diff line
@@ -32,7 +32,7 @@ 
#define EXYNOS5420_USE_ARM_CORE_DOWN_STATE	BIT(29)

#define EXYNOS5420_USE_L2_COMMON_UP_STATE	BIT(30)



static void __iomem *ns_sram_base_addr;

static void __iomem *ns_sram_base_addr __ro_after_init;



/*

 * The common v7_exit_coherency_flush API could not be used because of the

arch/arm/mach-exynos/suspend.c

+1 −1
Original line number Diff line number Diff line
@@ -66,7 +66,7 @@ struct exynos_pm_data { 
	int (*cpu_suspend)(unsigned long);

};



static const struct exynos_pm_data *pm_data;

static const struct exynos_pm_data *pm_data __ro_after_init;



static int exynos5420_cpu_state;

static unsigned int exynos_pmu_spare3;