Re: [PATCH] Remove inline from clock framework function definitionsto build the kernel with GCC 4.7

[Jon Hunter]

On 11/15/2012 11:07 AM, Igor Mazanov wrote:
>  Remove inline from clock framework function definitions to
>  build the kernel with GCC 4.7

Adding Mike to the party ...

May be good to add some details about the exact problem seen.

I am seeing the same problem today with GCC 4.7 and Tony's master
branch. For a bit of background it seems that for 4.7 not having
the body of the inlined function available in the header is
causing this error. Another example here [1].

The actual compiler error seen for OMAP is ...

In file included from arch/arm/mach-omap2/clockdomain.c:25:0:
arch/arm/mach-omap2/clockdomain.c: In function âclkdm_clk_disableâ:
include/linux/clk-provider.h:338:12: error: inlining failed in call to always_inline â__clk_get_enable_countâ: function body not available
arch/arm/mach-omap2/clockdomain.c:1001:28: error: called from here
make[1]: *** [arch/arm/mach-omap2/clockdomain.o] Error 1
make: *** [arch/arm/mach-omap2] Error 2

 
> Signed-off-by: Igor Mazanov <i.mazanov@xxxxxxxxx>
> ---
>  include/linux/clk-provider.h |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
> index c127315..f9f5e9e 100644
> --- a/include/linux/clk-provider.h
> +++ b/include/linux/clk-provider.h
> @@ -335,8 +335,8 @@ const char *__clk_get_name(struct clk *clk);
>  struct clk_hw *__clk_get_hw(struct clk *clk);
>  u8 __clk_get_num_parents(struct clk *clk);
>  struct clk *__clk_get_parent(struct clk *clk);
> -inline int __clk_get_enable_count(struct clk *clk);
> -inline int __clk_get_prepare_count(struct clk *clk);
> +int __clk_get_enable_count(struct clk *clk);
> +int __clk_get_prepare_count(struct clk *clk);
>  unsigned long __clk_get_rate(struct clk *clk);
>  unsigned long __clk_get_flags(struct clk *clk);
>  int __clk_is_enabled(struct clk *clk);

Do we also need to remove the inline from the functions declared in
drivers/clk/clk.c too?

Cheers
Jon

[1] https://bugs.launchpad.net/linaro-android/+bug/983496
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