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| author | Krzysztof Kozlowski <krzk@kernel.org> | 2016-12-10 16:47:33 +0300 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzk@kernel.org> | 2016-12-29 16:28:55 +0300 |
| commit | 731d97c236833c2179ce6fe7a5eb32c46f71df27 (patch) | |
| tree | b02a0c9532b2b7f1b2a9fd3a2ec315e2d086e94f | |
| parent | b4765037fc8c392027e604cf05771f0ac2790303 (diff) | |
| download | linux-731d97c236833c2179ce6fe7a5eb32c46f71df27.tar.xz | |
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: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
| -rw-r--r-- | arch/arm/mach-exynos/exynos.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/mcpm-exynos.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/suspend.c | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index 757fc11de30d..35b832f4bc7e 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -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) { diff --git a/arch/arm/mach-exynos/mcpm-exynos.c b/arch/arm/mach-exynos/mcpm-exynos.c index f086bf615b29..038fd8c993d0 100644 --- a/arch/arm/mach-exynos/mcpm-exynos.c +++ b/arch/arm/mach-exynos/mcpm-exynos.c @@ -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 diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c index be29f06d04f1..518420241062 100644 --- a/arch/arm/mach-exynos/suspend.c +++ b/arch/arm/mach-exynos/suspend.c @@ -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; |