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From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Kishon Vijay Abraham I <kishon@ti.com>,
	Felipe Balbi <balbi@ti.com>,
	Vivek Gautam <gautam.vivek@samsung.com>,
	linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: [PATCHv2 5/6] base: platform: name the device already during allocation
Date: Tue, 5 Aug 2014 09:38:25 +0300	[thread overview]
Message-ID: <20140805063824.GA21849@xps8300> (raw)
In-Reply-To: <20140714145543.GB11477@kroah.com>

On Mon, Jul 14, 2014 at 07:55:43AM -0700, Greg Kroah-Hartman wrote:
> > > diff --git a/drivers/base/platform.c b/drivers/base/platform.c
> > > index 9e9227e..e856bc4 100644
> > > --- a/drivers/base/platform.c
> > > +++ b/drivers/base/platform.c
> > > @@ -177,11 +177,45 @@ struct platform_object {
> > >   */
> > >  void platform_device_put(struct platform_device *pdev)
> > >  {
> > > -	if (pdev)
> > > -		put_device(&pdev->dev);
> > > +	if (!pdev)
> > > +		return;
> > > +
> > > +	if (pdev->id_auto) {
> > > +		ida_simple_remove(&platform_devid_ida, pdev->id);
> > > +		pdev->id = PLATFORM_DEVID_AUTO;
> > > +	}
> > > +
> > > +	put_device(&pdev->dev);
> > >  }
> > >  EXPORT_SYMBOL_GPL(platform_device_put);
> 
> Why would a single call to this function remove an id?  That seems
> really wrong, you should be able to call get and put on a device
> numerous times, only the "last" reference should cause the device to be
> cleaned up.
> 
> Shouldn't this be in the release function instead?

I'll fix this.

Thanks Greg.

-- 
heikki

  parent reply	other threads:[~2014-08-05  6:38 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-05 12:52 [PATCHv2 0/6] phy: simplified phy lookup Heikki Krogerus
2014-06-05 12:52 ` [PATCHv2 1/6] phy: safer to_phy() macro Heikki Krogerus
2014-06-05 12:52 ` [PATCHv2 2/6] phy: improved lookup method Heikki Krogerus
2014-06-05 12:52 ` [PATCHv2 3/6] arm: omap3: twl: use the new lookup method with usb phy Heikki Krogerus
2014-07-14  6:18   ` Kishon Vijay Abraham I
2014-06-05 12:52 ` [PATCHv2 4/6] phy: remove the old lookup method Heikki Krogerus
2014-06-05 12:52 ` [PATCHv2 5/6] base: platform: name the device already during allocation Heikki Krogerus
2014-07-14  6:19   ` Kishon Vijay Abraham I
2014-07-14 14:55     ` Greg Kroah-Hartman
2014-08-04 10:00       ` Vivek Gautam
2014-08-05  6:38       ` Heikki Krogerus [this message]
2014-06-05 12:52 ` [PATCHv2 6/6] usb: dwc3: host: convey the PHYs to xhci Heikki Krogerus
2014-06-19 13:43   ` Felipe Balbi
2014-06-05 13:21 ` [PATCHv2 0/6] phy: simplified phy lookup Vivek Gautam
2014-07-02 11:31   ` Kishon Vijay Abraham I
2014-07-03  4:59     ` Vivek Gautam

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