Hi, Samsung developers,
I notice the following warning when building Exynos family:
arch/arm/cpu/armv7/exynos/clock.c: In function 'clock_get_periph_rate':
arch/arm/cpu/armv7/exynos/clock.c:263:47: warning: array subscript is above
array bounds [-Warray-bounds]
struct clk_bit_info *bit_info = &clk_bit_info[peripheral];
^
arch/arm/cpu/armv7/exynos/clock.c:263:47: warning: array subscript is above
array bounds [-Warray-bounds]
arch/arm/cpu/armv7/exynos/clock.c: In function 'clock_get_periph_rate':
arch/arm/cpu/armv7/exynos/clock.c:263:47: warning: array subscript is above
array bounds [-Warray-bounds]
struct clk_bit_info *bit_info = &clk_bit_info[peripheral];
^
arch/arm/cpu/armv7/exynos/clock.c:263:47: warning: array subscript is above
array bounds [-Warray-bounds]
I think the cause is that
PERIPH_ID_PWM0 is defined as 132, but clk_bit_info
has much smaller array size.
You can repeat this with this toolchain:
https://www.kernel.org/pub/tools/crosstool/files/bin/x86_64/4.9.0/x86_64-gcc-4.9.0-nolibc_arm-unknown-linux-gnueabi.tar.xz
Best Regards
Masahiro Yamada
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