On 03/11/2014 09:08 AM, Chen Gang wrote: > On 03/10/2014 12:24 AM, Randy Dunlap wrote: >> On 03/09/2014 08:02 AM, Chen Gang wrote: [...] >>> Else ('depends on' priority is higher than 'select') >>> >>> - some architectures can choose whether support IRQ_DOMAIN. >>> >>> - if IRQ_DOMAIN enabled, our gpio driver can be used, and then select >>> GENERIC_IRQ_CHIP (need not consider about it selects IRQ_DOMAIN). >>> >>> - else (IRQ_DOMAIN_disabled), we can not use our gpio driver, and also >>> can not select GENERIC_IRQ_CHIP (need not consider about it selects >>> IRQ_DOMAIN, either). >>> >>> Excuse me, I am not quite familiar with Kconfig grammar, can any members >>> give a confirmation for it (whether 'select' priority is higher or equal >>> than 'depends on'). >> >> Sorry, I don't really understand the problem that you are trying to solve. >> Maybe you could back up and explain the underlying problem... ? >> > > If the fix patch applied (don't depend on IRQ_DOMAIN), I guess, if one > architecture don't support IRQ_DOMAIN, GPIO_DWAPB may still be enabled > and then let IRQ_DOMAIN enable too. >
Is it possible to still go further? For me, I still think, this is not gpio driver's issue, the kbuild need be improved to support this using case. So, if it is necessary, I will/should try to go further about it. Thanks. -- Chen Gang Open, share and attitude like air, water and life which God blessed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/