Re: [PATCH V9 1/2] ACPI, PCI, irq: remove interrupt count restriction

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On 12/9/2015 11:59 AM, Andy Shevchenko wrote:
>> +       if (trigger != ACPI_MADT_TRIGGER_LEVEL ||
>> > +           polarity != ACPI_MADT_POLARITY_ACTIVE_LOW)
>> > +               penalty = PIRQ_PENALTY_ISA_ALWAYS;
>> > +       else
>> > +               penalty = PIRQ_PENALTY_PCI_USING;
>> > +
>> > +       acpi_irq_add_penalty(irq, penalty);
> Why not to change in place? I think a common sense rule is not to
> change something existing if it doesn't add any significant value.
> 
Sorry, I didn't understand what you mean. Are you asking why we are
changing lines like above?

If yes, acpi_irq_penalty used to be an array of 256 entries. Now,
acpi_irq_penalty doesn't exist anymore as it was replaced with a linklist.

> -               acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING;
> +              acpi_irq_add_penalty(irq, PIRQ_PENALTY_PCI_USING);
> 


-- 
Sinan Kaya
Qualcomm Technologies, Inc. on behalf of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a
Linux Foundation Collaborative Project
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