linux-kernel - Re: [PATCH] PCI: Export pci_probe_reset

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Message-ID: <20150409195846.GL30967@google.com>
Date:	Thu, 9 Apr 2015 14:58:46 -0500
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Alex Williamson <alex.williamson@...hat.com>
Cc:	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PCI: Export pci_probe_reset_function()

On Thu, Apr 09, 2015 at 09:51:43AM -0600, Alex Williamson wrote:
> The equivalent bus and slot versions of this are already exported and
> vfio-pci would like a function-probe available so we can expose
> function-level reset capabilities to the user without necessarily
> using it to perform a reset before enabling the device for the user.
> 
> Signed-off-by: Alex Williamson <alex.williamson@...hat.com>

Applied to pci/virtualization for v4.1, thanks!

> ---
>  drivers/pci/pci.c   |    1 +
>  include/linux/pci.h |    1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
> index 81f06e8..9f3e691 100644
> --- a/drivers/pci/pci.c
> +++ b/drivers/pci/pci.c
> @@ -3524,6 +3524,7 @@ int pci_probe_reset_function(struct pci_dev *dev)
>  {
>  	return pci_dev_reset(dev, 1);
>  }
> +EXPORT_SYMBOL_GPL(pci_probe_reset_function);
>  
>  /**
>   * pci_reset_function - quiesce and reset a PCI device function
> diff --git a/include/linux/pci.h b/include/linux/pci.h
> index 211e9da..233d1ae 100644
> --- a/include/linux/pci.h
> +++ b/include/linux/pci.h
> @@ -986,6 +986,7 @@ int pcie_get_minimum_link(struct pci_dev *dev, enum pci_bus_speed *speed,
>  			  enum pcie_link_width *width);
>  int __pci_reset_function(struct pci_dev *dev);
>  int __pci_reset_function_locked(struct pci_dev *dev);
> +int pci_probe_reset_function(struct pci_dev *dev);
>  int pci_reset_function(struct pci_dev *dev);
>  int pci_try_reset_function(struct pci_dev *dev);
>  int pci_probe_reset_slot(struct pci_slot *slot);
> 
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