ååï [PATCH] arch/unicore32/kernel/setup.c: add generic 'screen_info' to avoid compiling failure

From: çéæ
Date: Wed May 21 2014 - 04:01:21 EST



----- Chen Gang <gang.chen.5i5j@xxxxxxxxx> åéï
> Add generic 'screen_info' just like another architectures have done
> (e.g. tile, sh, score, ia64, hexagon, and cris).
>
> The related error (with allmodconfig under unicore32):
>
> LD init/built-in.o
> drivers/built-in.o: In function `vgacon_save_screen':
> powercap_sys.c:(.text+0x21788): undefined reference to `screen_info'
> drivers/built-in.o: In function `vgacon_resize':
> powercap_sys.c:(.text+0x21b54): undefined reference to `screen_info'
> drivers/built-in.o: In function `vgacon_switch':
> powercap_sys.c:(.text+0x21cb4): undefined reference to `screen_info'
> drivers/built-in.o: In function `vgacon_init':
> powercap_sys.c:(.text+0x2296c): undefined reference to `screen_info'
> drivers/built-in.o: In function `vgacon_startup':
> powercap_sys.c:(.text+0x22e80): undefined reference to `screen_info'
>
>
> Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx>
> ---
> arch/unicore32/kernel/setup.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/unicore32/kernel/setup.c b/arch/unicore32/kernel/setup.c
> index 87adbf5..94bc4bc 100644
> --- a/arch/unicore32/kernel/setup.c
> +++ b/arch/unicore32/kernel/setup.c
> @@ -53,6 +53,8 @@ struct stack {
>
> static struct stack stacks[NR_CPUS];
>
> +struct screen_info screen_info;
> +

could be as following if it's only used by vga console:

+#ifdef CONFIG_VGA_CONSOLE
+struct screen_info screen_info;
+#endif

> char elf_platform[ELF_PLATFORM_SIZE];
> EXPORT_SYMBOL(elf_platform);
>
> --
> 1.9.2.459.g68773ac
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