Hi Daniel, ? 2015?09?18? 15:55, Daniel Lezcano ??: > On 09/17/2015 12:19 PM, Caesar Wang wrote: >> >> >> ? 2015?09?17? 18:06, Daniel Lezcano ??: >>> On 09/17/2015 11:28 AM, Caesar Wang wrote: >>>> Hi Daniel, >>>> >>>> >>>> ? 2015?09?17? 17:11, Daniel Lezcano ??: >>>>> >>>>> Hi Caesar, >>>>> >>>>> >>>>> On 09/17/2015 09:51 AM, Caesar Wang wrote: >>>>>> Build the arm64 SoCs (e.g.: RK3368) on Rockchip platform, >>>>>> There are some failure with build up on timer driver for rockchip. >>>>>> >>>>>> logs: >>>>>> ... >>>>>> drivers/clocksource/rockchip_timer.c:156:13: error: 'NO_IRQ' >>>>>> undeclared >>>>> >>>>> I think the NO_IRQ definition is missing for ARM64. >>>> >>>> Yep, Maybe better to compatible if we don't use the 'NO_IRQ', >>> >>> Hmm, after digging into drivers/of/irq.c and kernel/irq/irqdomain.c >>> >>> when there is an error it returns zero. So NO_IRQ and -1 are not >>> correct and on the other side zero can be a valid irq. That sounds a >>> little bit fuzzy to me. >> >> I believe the 'NO_IRQ' is better select if 'NO_IRQ' is defined on ARM64 >> platform. >> >> irq = irq_of_parse_and_map(np, 0); >> >> if (irq == NO_IRQ) >> ... >> Also, that's ok if we instead of the 'irq < 0' or '!irq' , right? > > > Hi Caesar, > > so regarding Thomas and Russel answers, let's replace NO_IRQ by '!irq'. Fixed, I will send the patch v1. > > Thanks. > > -- Daniel > > -- Thanks, Caesar