linux-kernel - Re: [PATCH v2 1/3] PCI: allow PCI core hotplug to remove PCI root bus

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Date:	Tue, 31 Mar 2009 12:26:24 +0900
From:	Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>
To:	Alex Chiang <achiang@...com>
CC:	jbarnes@...tuousgeek.org, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] PCI: allow PCI core hotplug to remove PCI root
 bus

Reviewed-by: Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>

Thanks,
Kenji Kaneshige


Alex Chiang wrote:
> There is no reason to prevent removal of root bus devices. A subsequent
> rescan will find them just fine.
> 
> Signed-off-by: Alex Chiang <achiang@...com>
> ---
> 
>  drivers/pci/pci-sysfs.c |    4 ----
>  1 files changed, 0 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
> index e9a8706..7b2cb27 100644
> --- a/drivers/pci/pci-sysfs.c
> +++ b/drivers/pci/pci-sysfs.c
> @@ -277,14 +277,10 @@ remove_store(struct device *dev, struct device_attribute *dummy,
>  {
>  	int ret = 0;
>  	unsigned long val;
> -	struct pci_dev *pdev = to_pci_dev(dev);
>  
>  	if (strict_strtoul(buf, 0, &val) < 0)
>  		return -EINVAL;
>  
> -	if (pci_is_root_bus(pdev->bus))
> -		return -EBUSY;
> -
>  	/* An attribute cannot be unregistered by one of its own methods,
>  	 * so we have to use this roundabout approach.
>  	 */
> 
> --
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> 
> 


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