linux-kernel - Re: [PATCH v2 01/10] PCI: Use device_release_driver in pci_stop_root

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Message-ID: <1669330.9A2ve7gAuo@vostro.rjw.lan>
Date:	Wed, 27 Nov 2013 02:09:35 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Gu Zheng <guz.fnst@...fujitsu.com>,
	Guo Chao <yan@...ux.vnet.ibm.com>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 01/10] PCI: Use device_release_driver in pci_stop_root_bus

On Monday, November 25, 2013 05:28:01 PM Yinghai Lu wrote:
> To be consistent with change in
> | PCI: Move device_del() from pci_stop_dev() to pci_destroy_dev()
> 
> Use device_release_driver for root bus/hostbridge.
> 
> Also use device_unregister() in pci_remove_root_bus() instead of
> device_del/put_device, that will be corresponding device_register()
> for pci_create_root_bus for hostbridge.
> 
> Signed-off-by: Yinghai Lu <yinghai@...nel.org>

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

> ---
>  drivers/pci/remove.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
> index cc9337a..692f4c3 100644
> --- a/drivers/pci/remove.c
> +++ b/drivers/pci/remove.c
> @@ -128,7 +128,7 @@ void pci_stop_root_bus(struct pci_bus *bus)
>  		pci_stop_bus_device(child);
>  
>  	/* stop the host bridge */
> -	device_del(&host_bridge->dev);
> +	device_release_driver(&host_bridge->dev);
>  }
>  
>  void pci_remove_root_bus(struct pci_bus *bus)
> @@ -147,5 +147,5 @@ void pci_remove_root_bus(struct pci_bus *bus)
>  	host_bridge->bus = NULL;
>  
>  	/* remove the host bridge */
> -	put_device(&host_bridge->dev);
> +	device_unregister(&host_bridge->dev);
>  }
> 
-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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