[PATCH v3] cpufreq: exynos: Fix the compile error

Viresh Kumar viresh.kumar at linaro.org
Fri May 16 04:07:15 PDT 2014


On 16 May 2014 15:48, Jonghwan Choi <jhbird.choi at samsung.com> wrote:
> Commit 7da83a80 ("ARM: EXYNOS: Migrate Exynos specific macros from plat to mach") which lands in samsung tree causes build breakage
> for cpufreq-exynos like following:
>
> drivers/cpufreq/exynos-cpufreq.c: In function 'exynos_cpufreq_probe':
> drivers/cpufreq/exynos-cpufreq.c:166:2: error: implicit declaration of function 'soc_is_exynos4210'
> [-Werror=implicit-function-declaration]
> drivers/cpufreq/exynos-cpufreq.c:168:2: error: implicit declaration of function 'soc_is_exynos4212'
> [-Werror=implicit-function-declaration]
> drivers/cpufreq/exynos-cpufreq.c:168:2: error: implicit declaration of function 'soc_is_exynos4412'
> [-Werror=implicit-function-declaration]
> drivers/cpufreq/exynos-cpufreq.c:170:2: error: implicit declaration of function 'soc_is_exynos5250'
> [-Werror=implicit-function-declaration]
> cc1: some warnings being treated as errors
> make[2]: *** [drivers/cpufreq/exynos-cpufreq.o] Error 1
> make[2]: *** Waiting for unfinished jobs....
> drivers/cpufreq/exynos4x12-cpufreq.c: In function 'exynos4x12_set_clkdiv':
> drivers/cpufreq/exynos4x12-cpufreq.c:118:2: error: implicit declaration of function 'soc_is_exynos4212'
> [-Werror=implicit-function-declaration]
> cc1: some warnings being treated as errors
> make[2]: *** [drivers/cpufreq/exynos4x12-cpufreq.o] Error 1
> make[1]: *** [drivers/cpufreq] Error 2

Blank line here..

> This fixes above error with getting SoC information via of_machine_is_compatible() instead of soc_is_exynosXXXX().
>
> Signed-off-by: Jonghwan Choi <jhbird.choi at samsung.com>
> ---
>  drivers/cpufreq/exynos-cpufreq.c     |   20 +++++++++++++++++---
>  drivers/cpufreq/exynos-cpufreq.h     |    8 ++++++++
>  drivers/cpufreq/exynos4x12-cpufreq.c |   11 ++++-------
>  3 files changed, 29 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
> index f99cfe2..9aecffef 100644
> --- a/drivers/cpufreq/exynos-cpufreq.c
> +++ b/drivers/cpufreq/exynos-cpufreq.c
> @@ -17,6 +17,7 @@
>  #include <linux/regulator/consumer.h>
>  #include <linux/cpufreq.h>
>  #include <linux/platform_device.h>
> +#include <linux/of.h>
>
>  #include <plat/cpu.h>
>
> @@ -163,11 +164,24 @@ static int exynos_cpufreq_probe(struct platform_device *pdev)
>         if (!exynos_info)
>                 return -ENOMEM;
>
> -       if (soc_is_exynos4210())
> +       if (of_machine_is_compatible("samsung,exynos4210")) {
> +               exynos_info->type = EXYNOS_SOC_4210;
> +       } else if (of_machine_is_compatible("samsung,exynos4212")) {
> +               exynos_info->type = EXYNOS_SOC_4212;
> +       } else if (of_machine_is_compatible("samsung,exynos4412")) {
> +               exynos_info->type = EXYNOS_SOC_4212;

4412 ?

> +       } else if (of_machine_is_compatible("samsung,exynos5250")) {
> +               exynos_info->type = EXYNOS_SOC_5250;
> +       } else {
> +               pr_err("%s: Unknown SoC type\n", __func__);
> +               return -ENODEV;
> +       }
> +
> +       if (exynos_info->type == EXYNOS_SOC_4210)
>                 ret = exynos4210_cpufreq_init(exynos_info);
> -       else if (soc_is_exynos4212() || soc_is_exynos4412())
> +       else if (exynos_info->type == EXYNOS_SOC_4212 || exynos_info->type == EXYNOS_SOC_4412)
>                 ret = exynos4x12_cpufreq_init(exynos_info);
> -       else if (soc_is_exynos5250())
> +       else if (exynos_info->type == EXYNOS_SOC_5250)
>                 ret = exynos5250_cpufreq_init(exynos_info);
>         else
>                 return 0;

Do this in the first if/else only..



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