Messages in this thread | | | Date | Tue, 07 Apr 2009 21:42:32 +0900 (JST) | Subject | Re: [rtc-linux] [PATCH] rtc-tx4939: Drop IRQF_SHARED | From | Atsushi Nemoto <> |
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On Mon, 6 Apr 2009 19:10:53 +0200, Alessandro Zummo <alessandro.zummo@towertech.it> wrote: > > IRQF_SHARED should be used with IRQF_DISABLED. This RTC have dedicated > > irq line so there is no reason to use IRQF_SHARED. > > Is that true for every board this rtc is/will be used on?
Yes. This RTC is internal device of TX4939 SoC and its irq line is hardwired to SoC's interrupt controller. At least TX4939 uses dedicated irq number for the RTC and I believe all future SoC (if possible) will follow.
--- Atsushi Nemoto
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