On Tue, Feb 27, 2018 at 5:56 PM, Mario Limonciello
<mario.limonciello@xxxxxxxx> wrote:
> Some race conditions were raised due to dell-smbios and its backends
> not being ready by the time that a consumer would call one of the
> exported methods.
>
> To avoid this problem, guarantee that all initialization has been
> done by linking them all together and running init for them all.
>
> As part of this change the Kconfig needs to be adjusted so that
> CONFIG_DELL_SMBIOS_SMM and CONFIG_DELL_SMBIOS_WMI are boolean
> rather than modules.
>
> CONFIG_DELL_SMBIOS is a visually selectable option again and both
> CONFIG_DELL_SMBIOS_WMI and CONFIG_DELL_SMBIOS_SMM are optional.
> --- a/drivers/platform/x86/dell-smbios-smm.c
> +++ b/drivers/platform/x86/dell-smbios-smm.c
> +#ifdef CONFIG_DELL_SMBIOS_SMM
> +#else /* CONFIG_DELL_SMBIOS_SMM */
> +int init_dell_smbios_smm(void)
> +{
> + return -ENODEV;
> +}
> +void exit_dell_smbios_smm(void)
> +{}
> +#endif /* CONFIG_DELL_SMBIOS_SMM */
> --- a/drivers/platform/x86/dell-smbios-wmi.c
> +++ b/drivers/platform/x86/dell-smbios-wmi.c
> +#ifdef CONFIG_DELL_SMBIOS_WMI
> +#else /* CONFIG_DELL_SMBIOS_WMI */
> +int init_dell_smbios_wmi(void)
> +{
> + return -ENODEV;
> +}
> +
> +void exit_dell_smbios_wmi(void)
> +{}
> +#endif /* CONFIG_DELL_SMBIOS_WMI */
It's rather strange to see above in *.c and not in *.h where it's
usually supposed to be...
> --- a/drivers/platform/x86/dell-smbios.h
> +++ b/drivers/platform/x86/dell-smbios.h
> @@ -75,4 +75,10 @@ int dell_laptop_register_notifier(struct notifier_block *nb);
> int dell_laptop_unregister_notifier(struct notifier_block *nb);
> void dell_laptop_call_notifier(unsigned long action, void *data);
>
> +/* for the supported backends */
> +int init_dell_smbios_wmi(void);
> +void exit_dell_smbios_wmi(void);
> +int init_dell_smbios_smm(void);
> +void exit_dell_smbios_smm(void);
> +
...here...
> #endif
--
With Best Regards,
Andy Shevchenko
