Denis Kuzmenko wrote:
>
> Fix compilation error when CONFIG_CPU_FREQ_S3C24XX_DEBUGFS selected.
>
> Signed-off-by: Denis Kuzmenko <linux@xxxxxxxxxxxxxx>
> ---
>
> Patch is against 3.2-rc4.
> CONFIG_S3C2410_IOTIMING is not selected for MACH_MINI2440. Because of this
> the
> file s3c2410-iotiming.c is not ever compiled and enabling
> CONFIG_CPU_FREQ_S3C24XX_DEBUGFS option caused undefined reference to
> function
> s3c2410_iotiming_debugfs defined in that file. s3c2410_iotiming_debugfs
> defined
> as NULL for this case.
>
Hi Denis,
Well, there is no error when CONFIG_CPU_FREQ_S3C24XX_DEBUGFS selected in my
case and s3c2410-iotiming.c is built...when is it happened? I just selected
every regarding configuration in kernel menuconfig...
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
> Changelog:
> v1 -> v2
> New CONFIG_ symbols S3C241{0,2}_IOTIMING were removed as It was observed
> that
> they already present but hidden from user.
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index e084b7e..133d005 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -2118,7 +2118,7 @@ config CPU_FREQ_S3C24XX_DEBUG
>
> config CPU_FREQ_S3C24XX_IODEBUG
> bool "Debug CPUfreq Samsung driver IO timing"
> - depends on CPU_FREQ_S3C24XX
> + depends on CPU_FREQ_S3C24XX && (S3C2410_IOTIMING ||
> S3C2412_IOTIMING)
> help
> Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
>
> diff --git a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
> b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
> index dac4760..c465252 100644
> --- a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
> +++ b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
> @@ -202,13 +202,23 @@ extern int s3c_plltab_register(struct
> cpufreq_frequency_table *plls,
> extern struct s3c_cpufreq_config *s3c_cpufreq_getconfig(void);
> extern struct s3c_iotimings *s3c_cpufreq_getiotimings(void);
>
> -extern void s3c2410_iotiming_debugfs(struct seq_file *seq,
> - struct s3c_cpufreq_config *cfg,
> - union s3c_iobank *iob);
> -
> -extern void s3c2412_iotiming_debugfs(struct seq_file *seq,
> - struct s3c_cpufreq_config *cfg,
> - union s3c_iobank *iob);
> +#ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUGFS
> + #ifdef CONFIG_S3C2410_IOTIMING
> + extern void s3c2410_iotiming_debugfs(struct seq_file *seq,
> + struct s3c_cpufreq_config *cfg,
> + union s3c_iobank *iob);
> + #else
> + #define s3c2410_iotiming_debugfs NULL
> + #endif
> +
> + #ifdef CONFIG_S3C2412_IOTIMING
> + extern void s3c2412_iotiming_debugfs(struct seq_file *seq,
> + struct s3c_cpufreq_config *cfg,
> + union s3c_iobank *iob);
> + #else
> + #define s3c2412_iotiming_debugfs NULL
> + #endif
> +#endif
>
> #ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUGFS
> #define s3c_cpufreq_debugfs_call(x) x
> @@ -241,10 +251,7 @@ extern void s3c2410_iotiming_set(struct
> s3c_cpufreq_config *cfg,
> #endif /* CONFIG_S3C2410_IOTIMING */
>
> /* S3C2412 compatible routines */
> -
> -extern int s3c2412_iotiming_get(struct s3c_cpufreq_config *cfg,
> - struct s3c_iotimings *timings);
> -
> +#ifdef CONFIG_S3C2412_IOTIMING
> extern int s3c2412_iotiming_get(struct s3c_cpufreq_config *cfg,
> struct s3c_iotimings *timings);
>
> @@ -253,6 +260,11 @@ extern int s3c2412_iotiming_calc(struct
> s3c_cpufreq_config *cfg,
>
> extern void s3c2412_iotiming_set(struct s3c_cpufreq_config *cfg,
> struct s3c_iotimings *iot);
> +#else
> +#define s3c2412_iotiming_calc NULL
> +#define s3c2412_iotiming_get NULL
> +#define s3c2412_iotiming_set NULL
> +#endif
>
> #ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUG
> #define s3c_freq_dbg(x...) printk(KERN_INFO x)
--
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