linux-kernel - Re: [PATCH V2] acpi, pci, irq: account for early penalty assignment

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Date:	Thu, 3 Mar 2016 09:48:09 -0500
From:	Sinan Kaya <okaya@...eaurora.org>
To:	Bjorn Helgaas <helgaas@...nel.org>
Cc:	linux-acpi@...r.kernel.org, timur@...eaurora.org,
	cov@...eaurora.org, linux-pci@...r.kernel.org,
	ravikanth.nalla@....com, lenb@...nel.org, harish.k@....com,
	ashwin.reghunandanan@....com, bhelgaas@...gle.com,
	rjw@...ysocki.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2] acpi, pci, irq: account for early penalty assignment

Taking another stab at it.

On 3/2/2016 10:14 PM, Sinan Kaya wrote:
> Taking a step back here and also some inspiration from your code, why don't we
> fix the actual problem instead of redesigning the whole thing?

I read your email multiple times. I think you want to move the x86 specific pieces
(ISA interrupts and its command line arguments) out of the drivers\acpi\pci_link.c.
Is this right?

- the legacy ISA IRQs, i.e., the contents of acpi_irq_isa_penalty[]
- acpi_irq_isa= from command line

 int pcibios_irq_penalty(int irq)
  {
    if (irq >= ACPI_MAX_ISA_IRQ)
      return 0;

    return acpi_irq_isa_penalty[irq] + acpi_irq_cmd_line_penalty[irq];
  }


-- 
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