[PATCH] ARM: Exynos : Fix build error with thumb2

[Santosh Shukla]

ping!

On 26 May 2014 21:23, Santosh Shukla <santosh.shukla at linaro.org> wrote:
> From: santosh shukla <santosh.shukla at linaro.org>
>
> Add non-global symbol .LLl2x0_regs_phys to avoid build break in thumb2 mode.
>
> IIUC, arm assembler fail to load value of "global" variable
> l2xo_regs_phys for thum2 mode and wrapping it in non-global symbol like
> .Ll2x0_regs_phys solves the build break issue.
>
> arch/arm/mach-exynos/sleep.S: Assembler messages:
> arch/arm/mach-exynos/sleep.S:57: Error: invalid immediate for address
> calculation (value = 0x00000004)
>
> fix inspired from [1]
>
> [1] https://lkml.org/lkml/2010/3/31/235
>
> Signed-off-by: santosh shukla <santosh.shukla at linaro.org>
> ---
>  arch/arm/mach-exynos/sleep.S |    4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-exynos/sleep.S b/arch/arm/mach-exynos/sleep.S
> index a2613e9..dc8c6b6 100644
> --- a/arch/arm/mach-exynos/sleep.S
> +++ b/arch/arm/mach-exynos/sleep.S
> @@ -54,7 +54,7 @@ ENTRY(exynos_cpu_resume)
>         ldr     r1, =CPU_CORTEX_A9
>         cmp     r0, r1
>         bne     skip_l2_resume
> -       adr     r0, l2x0_regs_phys
> +       adr     r0, .Ll2x0_regs_phys
>         ldr     r0, [r0]
>         cmp     r0, #0
>         beq     skip_l2_resume
> @@ -79,6 +79,8 @@ skip_l2_resume:
>         b       cpu_resume
>  ENDPROC(exynos_cpu_resume)
>  #ifdef CONFIG_CACHE_L2X0
> +
> +.Ll2x0_regs_phys:
>         .globl l2x0_regs_phys
>  l2x0_regs_phys:
>         .long   0
> --
> 1.7.9.5
>