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Re: [PATCH 06/38] Annotate hardware config module parameters in drivers/clocksource/

From David Howells <dhowells@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH 06/38] Annotate hardware config module parameters in drivers/clocksource/
Date 2017-04-15 01:00 +0200
Message-ID <twim5-71X-5@gated-at.bofh.it> (permalink)
References <twe8N-4tn-1@gated-at.bofh.it> <tsWBr-5sA-3@gated-at.bofh.it> <tsWUO-5zn-21@gated-at.bofh.it> <twe8N-4tn-1@gated-at.bofh.it>
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Thomas Gleixner <tglx@linutronix.de> wrote:

> > -module_param_named(irq, timer_irq, int, 0644);
> > +module_param_hw_named(irq, timer_irq, int, irq, 0644);
> >  MODULE_PARM_DESC(irq, "Which IRQ to use for the clock source MFGPT ticks.");
> 
> I'm not sure about this. AFAIR the parameter is required to work on
> anything else than some arbitrary hardware which has it mapped to 0.

Should it then be set through in-kernel platform initialisation since the
AMD Geode is an embedded chip?

Btw, is it possible to use IRQ grants to prevent a device that has limited IRQ
options from being drivable?

David

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Thread

Re: [PATCH 06/38] Annotate hardware config module parameters in  drivers/clocksource/ Thomas Gleixner <tglx@linutronix.de> - 2017-04-14 20:30 +0200
  Re: [PATCH 06/38] Annotate hardware config module parameters in drivers/clocksource/ David Howells <dhowells@redhat.com> - 2017-04-15 01:00 +0200
    Re: [PATCH 06/38] Annotate hardware config module parameters in  drivers/clocksource/ Thomas Gleixner <tglx@linutronix.de> - 2017-04-15 07:50 +0200
      Re: [PATCH 06/38] Annotate hardware config module parameters in drivers/clocksource/ David Howells <dhowells@redhat.com> - 2017-04-15 08:00 +0200
        Re: [PATCH 06/38] Annotate hardware config module parameters in  drivers/clocksource/ Thomas Gleixner <tglx@linutronix.de> - 2017-04-15 12:00 +0200
          Re: [PATCH 06/38] Annotate hardware config module parameters in drivers/clocksource/ David Howells <dhowells@redhat.com> - 2017-04-18 14:50 +0200
            Re: [PATCH 06/38] Annotate hardware config module parameters in  drivers/clocksource/ Thomas Gleixner <tglx@linutronix.de> - 2017-04-18 15:00 +0200
  Re: [PATCH 06/38] Annotate hardware config module parameters in drivers/clocksource/ David Howells <dhowells@redhat.com> - 2017-04-19 17:40 +0200
  Re: [PATCH 06/38] Annotate hardware config module parameters in drivers/clocksource/ David Howells <dhowells@redhat.com> - 2017-04-19 17:40 +0200

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