Re: provide pci_request_irq / pci_free_irq helpers

From	Bjorn Helgaas <helgaas@kernel.org>
Newsgroups	linux.kernel
Subject	Re: provide pci_request_irq / pci_free_irq helpers
Date	2017-04-18 20:50 +0200
Message-ID	<txGmm-17N-25@gated-at.bofh.it> (permalink)
References	<tvH3c-7S2-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Thu, Apr 13, 2017 at 09:06:39AM +0200, Christoph Hellwig wrote:
> PCI drivers that support multiple MSI or MSI-X vectors currently have a
> lot of boileplate code to generate names for each vector (or simply use
> the same name for all of them, which isn't nice either).  This series
> adds new helpers that allocate and free a name based on a format string
> passed to the request_irq wrapper.
> 
> They also hide the [pci_dev,vector] to Linux irq number translation,
> in fact the example NVMe driver conversion now never sees the Linux irq
> number.  That might be useful to isolate PCI drivers from our IRQ numbers,
> although to have a full abstraction we'd need similar wrappers for
> {enable,disable,synchronize}_irq as well.

Applied with reviewed-by from Thomas and Keith to pci/irq for v4.12,
thanks!

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provide pci_request_irq / pci_free_irq helpers Christoph Hellwig <hch@lst.de> - 2017-04-13 09:10 +0200
  [PATCH 1/4] genirq: fix indentation in remove_irq Christoph Hellwig <hch@lst.de> - 2017-04-13 09:10 +0200
    Re: [PATCH 1/4] genirq: fix indentation in remove_irq Thomas Gleixner <tglx@linutronix.de> - 2017-04-14 19:30 +0200
    Re: [PATCH 1/4] genirq: fix indentation in remove_irq Sagi Grimberg <sagi@grimberg.me> - 2017-04-20 15:30 +0200
  [PATCH 3/4] PCI/irq: add pci_request_irq and pci_free_irq helpers Christoph Hellwig <hch@lst.de> - 2017-04-13 09:10 +0200
    Re: [PATCH 3/4] PCI/irq: add pci_request_irq and pci_free_irq helpers Bjorn Helgaas <helgaas@kernel.org> - 2017-04-14 16:50 +0200
      Re: [PATCH 3/4] PCI/irq: add pci_request_irq and pci_free_irq         helpers Christoph Hellwig <hch@lst.de> - 2017-04-14 18:00 +0200
  [PATCH 2/4] genirq: return the irq name from free_irq Christoph Hellwig <hch@lst.de> - 2017-04-13 09:10 +0200
    Re: [PATCH 2/4] genirq: return the irq name from free_irq Thomas Gleixner <tglx@linutronix.de> - 2017-04-14 19:30 +0200
      Re: [PATCH 2/4] genirq: return the irq name from free_irq Christoph Hellwig <hch@lst.de> - 2017-04-14 19:40 +0200
        Re: [PATCH 2/4] genirq: return the irq name from free_irq Thomas Gleixner <tglx@linutronix.de> - 2017-04-14 20:00 +0200
  Re: provide pci_request_irq / pci_free_irq helpers Bjorn Helgaas <helgaas@kernel.org> - 2017-04-18 20:50 +0200

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