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| author | Krzysztof Kozlowski <krzk@kernel.org> | 2016-12-10 14:47:35 +0100 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzk@kernel.org> | 2016-12-29 14:40:29 +0100 |
| commit | 552146b0c20d8265f7c570251c86fc4ec44959ee (patch) | |
| tree | a1b8e34fa300a0ceb61650411d243bcaea7c726d | |
| parent | ARM: s3c24xx: Constify few integer tables (diff) | |
| download | linux-552146b0c20d8265f7c570251c86fc4ec44959ee.tar.xz linux-552146b0c20d8265f7c570251c86fc4ec44959ee.zip | |
ARM: s3c64xx: Annotate external clock frequencies __ro_after_init
The xtal_f and xusbxti_f static variables are modified only through
__init accessors (like s3c64xx_set_xtal_freq()). Later these variables
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-s3c64xx/common.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c index 7c66ce1a6bb6..9843eb4dd04e 100644 --- a/arch/arm/mach-s3c64xx/common.c +++ b/arch/arm/mach-s3c64xx/common.c @@ -56,7 +56,8 @@ #include "watchdog-reset.h" /* External clock frequency */ -static unsigned long xtal_f = 12000000, xusbxti_f = 48000000; +static unsigned long xtal_f __ro_after_init = 12000000; +static unsigned long xusbxti_f __ro_after_init = 48000000; void __init s3c64xx_set_xtal_freq(unsigned long freq) { |