"Nori, Sekhar" <nsekhar@xxxxxx> writes: > Hi Ben, > > On Mon, Nov 22, 2010 at 19:20:48, Ben Gardiner wrote: >> On Mon, Nov 22, 2010 at 6:49 AM, Nori, Sekhar <nsekhar@xxxxxx> wrote: >> > On Fri, Nov 19, 2010 at 21:08:10, Ben Gardiner wrote: >> >> [...] >> >> By setting INPUT_POLLDEV default for the da850-evm users will get >> >> functioning pushbuttons and switches with the default config but they >> >> will be able to disable INPUT_POLLDEV or gpio-keys drivers in their >> >> defconfig at their convenience. >> > >> > I guess we could also just modify the defconfig to switch on >> > INPUT_POLLDEV? Since only gpio-keys functionality is affected >> > by not enabling the correct options in kernel, it should be OK. >> >> Yes -- only gpio-keys is affected but enabling the option does >> introduce an additional .o file: >> >> drivers/input/Makefile:obj-$(CONFIG_INPUT_POLLDEV) += input-polldev.o >> >> I agree that in its current state a user couls inadvertently disable >> the gpio-keys support on da850-evm simply by disabling INPUT_POLLDEV >> -- which is less than Ideal. How about I replace the current changes >> to arch/arm/mach-davinci/Kconfig with: >> >> config KEYBOARD_GPIO >> default MACH_DAVINCI_DA850_EVM >> select INPUT_POLLDEV >> >> So 1) gpio-keys functionality is default for the da850evm and 2) >> whenever gpio-keys is enabled so is INPUT_POLLDEV. > > This looks better than what was posted earlier, but I am not > sure if platforms should influence driver configuration this > way. Agreed. In general, we should not have machine/platform specific conditionals in generic Kconfigs. Generally, this should be handled in machine/platform specific Kconfigs. Kevin > I guess I am just afraid that this makes a precedent for > many driver config symbols to get replicated in the platform > Kconfig files. > > Lets see if others have an opinion on this. > > Thanks, > Sekhar -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html