On 12/15/10 01:15, Jean Delvare wrote: > Hi Randy, > > On Tue, 14 Dec 2010 16:26:56 -0800, Randy Dunlap wrote: >> From: Randy Dunlap <randy.dunlap@xxxxxxxxxx> >> >> I2C_ISCH and GPIO_SCH need to select MFD_SUPPORT so that the >> dependency tree hierarchy is satisfied. This eliminates the >> kconfig warning: >> >> warning: (I2C_ISCH && I2C && PCI || GPIO_SCH && GPIOLIB && PCI) selects LPC_SCH which has unmet direct dependencies (MFD_SUPPORT && PCI) >> >> Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx> >> Cc: linux-i2c@xxxxxxxxxxxxxxx >> --- >> drivers/gpio/Kconfig | 1 + >> drivers/i2c/busses/Kconfig | 1 + >> 2 files changed, 2 insertions(+) >> >> --- lnx-2637-rc4.orig/drivers/gpio/Kconfig >> +++ lnx-2637-rc4/drivers/gpio/Kconfig >> @@ -102,6 +102,7 @@ config GPIO_VR41XX >> config GPIO_SCH >> tristate "Intel SCH GPIO" >> depends on GPIOLIB && PCI >> + select MFD_SUPPORT >> select MFD_CORE >> select LPC_SCH >> help >> --- lnx-2637-rc4.orig/drivers/i2c/busses/Kconfig >> +++ lnx-2637-rc4/drivers/i2c/busses/Kconfig >> @@ -107,6 +107,7 @@ config I2C_I801 >> config I2C_ISCH >> tristate "Intel SCH SMBus 1.0" >> depends on PCI >> + select MFD_SUPPORT >> select MFD_CORE >> select LPC_SCH >> help > > It seems wrong to have to select both MFD_SUPPORT and MFD_CORE. Can't > the MFD subsystem be cleaned up so that subdrivers have a single symbol > to select beyond their own? > > I don't quite get the point of MFD_CORE. MFD_SUPPORT could be made > tristate, and MFD_CORE dropped (and then MFD_SUPPORT renamed to > MFD_CORE to minimize the changes.) This is exactly how I2C support is > implemented, for example. OK, I'll look into that. Thanks. -- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html