From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jaehoon Chung <jh80.chung@samsung.com>
Date: Wed, 30 Jul 2014 20:35:11 +0900
Subject: [U-Boot] Please fix warning of Exynos
In-Reply-To: <20140730185902.5D0F.AA925319@jp.panasonic.com>
References: <20140730185902.5D0F.AA925319@jp.panasonic.com>
Message-ID: <53D8D86F.5080703@samsung.com>
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To: u-boot@lists.denx.de

Hi, Masahiro.

Thanks for pointing out.
I will check it.

Best Regards,
Jaehoon Chung

On 07/30/2014 06:59 PM, Masahiro Yamada wrote:
> 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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