linux-kernel - Re: [PATCH 45/64] PCIE: remove driver_data direct access of struct device

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Message-ID: <20090616171710.GA27808@suse.de>
Date:	Tue, 16 Jun 2009 10:17:10 -0700
From:	Greg KH <gregkh@...e.de>
To:	Jesse Barnes <jesse.barnes@...el.com>
Cc:	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Subject: Re: [PATCH 45/64] PCIE: remove driver_data direct access of struct
	device

On Tue, Jun 16, 2009 at 10:13:11AM -0700, Jesse Barnes wrote:
> On Mon, 15 Jun 2009 22:46:34 -0700
> Greg Kroah-Hartman <gregkh@...e.de> wrote:
> 
> > In the near future, the driver core is going to not allow direct
> > access to the driver_data pointer in struct device.  Instead, the
> > functions dev_get_drvdata() and dev_set_drvdata() should be used.
> > These functions have been around since the beginning, so are
> > backwards compatible with all older kernel versions.
> > 
> > 
> > Cc: linux-pci@...r.kernel.org
> > Cc: Jesse Barnes <jbarnes@...tuousgeek.org>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
> > ---
> >  drivers/pci/pcie/portdrv_core.c |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> > 
> > diff --git a/drivers/pci/pcie/portdrv_core.c
> > b/drivers/pci/pcie/portdrv_core.c index e399825..13ffdc3 100644
> > --- a/drivers/pci/pcie/portdrv_core.c
> > +++ b/drivers/pci/pcie/portdrv_core.c
> > @@ -275,7 +275,7 @@ static void pcie_device_init(struct pci_dev
> > *parent, struct pcie_device *dev, memset(device, 0, sizeof(struct
> > device)); device->bus = &pcie_port_bus_type;
> >  	device->driver = NULL;
> > -	device->driver_data = NULL;
> > +	dev_set_drvdata(device, NULL);
> >  	device->release = release_pcie_device;	/* callback to
> > free pcie dev */ dev_set_name(device, "%s:pcie%02x",
> >  		 pci_name(parent), get_descriptor_id(port_type,
> > service_type));
> 
> Looks like I already have this one in my linux-next branch, but I think
> Linus will handle any conflict that arises if this ends up coming from
> both of us.

Yes, it should be a trivial merge.

thanks,

greg k-h
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