W dniu 07.02.2022 o 19:29, Mateusz Jończyk pisze: > In Kconfig, inside the "Processor type and features" menu, there is > the CONFIG_I8K option: "Dell i8k legacy laptop support". This is > very confusing - enabling CONFIG_I8K is not required for the kernel to > support old Dell laptops. This option is specific to the dell-smm-hwmon > driver, which mostly exports some hardware monitoring information and > allows the user to change fan speed. > > This option is misplaced, so move CONFIG_I8K to drivers/hwmon/Kconfig, > where it belongs. > > Also, modify the dependency order - change > select SENSORS_DELL_SMM > to > depends on SENSORS_DELL_SMM > as it is just a configuration option of dell-smm-hwmon. This includes > changing the option type from tristate to bool. It was tristate because > it could select CONFIG_SENSORS_DELL_SMM=m . > > When running "make oldconfig" on configurations with > CONFIG_SENSORS_DELL_SMM enabled , this change will result in an > additional question (which could be printed several times during > bisecting). I think that tidying up the configuration is worth it, > though. > > Next patch tweaks the description of CONFIG_I8K. > > Signed-off-by: Mateusz Jończyk <mat.jonczyk@xxxxx> > Cc: Pali Rohár <pali@xxxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: Ingo Molnar <mingo@xxxxxxxxxx> > Cc: Borislav Petkov <bp@xxxxxxxxx> > Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> > Cc: Jean Delvare <jdelvare@xxxxxxxx> > Cc: Guenter Roeck <linux@xxxxxxxxxxxx> > Cc: Hans de Goede <hdegoede@xxxxxxxxxx> > Cc: Mark Gross <markgross@xxxxxxxxxx> > --- > arch/x86/Kconfig | 17 ----------------- > drivers/hwmon/Kconfig | 15 +++++++++++++++ > 2 files changed, 15 insertions(+), 17 deletions(-) > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index 9f5bd41bf660..71d4ddd48c02 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -1275,23 +1275,6 @@ config TOSHIBA > Say Y if you intend to run this kernel on a Toshiba portable. > Say N otherwise. > > -config I8K > - tristate "Dell i8k legacy laptop support" > - depends on HWMON > - depends on PROC_FS > - select SENSORS_DELL_SMM > - help > - This option enables legacy /proc/i8k userspace interface in hwmon > - dell-smm-hwmon driver. Character file /proc/i8k reports bios version, > - temperature and allows controlling fan speeds of Dell laptops via > - System Management Mode. For old Dell laptops (like Dell Inspiron 8000) > - it reports also power and hotkey status. For fan speed control is > - needed userspace package i8kutils. > - > - Say Y if you intend to run this kernel on old Dell laptops or want to > - use userspace package i8kutils. > - Say N otherwise. > - > config X86_REBOOTFIXUPS > bool "Enable X86 board specific fixups for reboot" > depends on X86_32 > diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig > index 8df25f1079ba..dd244aa747ad 100644 > --- a/drivers/hwmon/Kconfig > +++ b/drivers/hwmon/Kconfig > @@ -505,6 +505,21 @@ config SENSORS_DELL_SMM > When option I8K is also enabled this driver provides legacy /proc/i8k > userspace interface for i8kutils package. > > +config I8K > + bool "Dell i8k legacy laptop support" > + depends on SENSORS_DELL_SMM Oops, I dropped "depends on PROC_FS". Will fix this in next revision. > + help > + This option enables legacy /proc/i8k userspace interface in hwmon > + dell-smm-hwmon driver. Character file /proc/i8k reports bios version, > + temperature and allows controlling fan speeds of Dell laptops via > + System Management Mode. For old Dell laptops (like Dell Inspiron 8000) > + it reports also power and hotkey status. For fan speed control is > + needed userspace package i8kutils. > + > + Say Y if you intend to run this kernel on old Dell laptops or want to > + use userspace package i8kutils. > + Say N otherwise. > + > config SENSORS_DA9052_ADC > tristate "Dialog DA9052/DA9053 ADC" > depends on PMIC_DA9052 Greetings, Mateusz