Messages in this thread |  | | From | "Tomoya MORINAGA" <> | | Subject | RE: Question: GPIO driver how to get irq_base | | Date | Thu, 12 May 2011 21:01:04 +0900 |
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Hi Lars, Grant
According to "/proc/interrupts", IRQ18 is not empty. However, irq_alloc_descs returns "18". I suspect irq_alloc_descs returns should not return "18".
> Grant, Let me know your opinion.
With Best Regards, ----------------------------------------- Tomoya MORINAGA OKI SEMICONDUCTOR CO., LTD.
> -----Original Message----- > From: Lars-Peter Clausen [mailto:lars@metafoo.de] > Sent: Thursday, May 12, 2011 4:20 AM > To: Tomoya MORINAGA > Cc: 'Grant Likely'; linux-kernel@vger.kernel.org; > toshiharu-linux@dsn.okisemi.com > Subject: Re: Question: GPIO driver how to get irq_base > > On 05/09/2011 10:54 PM, Tomoya MORINAGA wrote: > > Hi Lars, > > > > Did you see this email ? > > I'm waiting for your response. > > > > Hi > > Well, it looks as if io-apic assumes that IRQ18 is reserved > for itself, while it actually is requested by your driver. > But that's all I can say. I'm not familiar with the x86 irq > code, so I've no idea what the proper fix would be. > > - Lars >
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