linux-kernel - Re: [PATCH v5 3/5] driver core: handle -EPROBE_DEFER from bus

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Date:	Mon, 4 Jan 2016 09:12:15 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Marek Szyprowski <m.szyprowski@...sung.com>,
	linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: Re: [PATCH v5 3/5] driver core: handle -EPROBE_DEFER from
 bus_type.match()

On Mon, Jan 04, 2016 at 04:31:00PM +0000, Russell King - ARM Linux wrote:
> On Wed, Dec 23, 2015 at 11:59:26AM +0100, Marek Szyprowski wrote:
> > From: Tomeu Vizoso <tomeu.vizoso@...labora.com>
> > 
> > Allow implementations of the match() callback in struct bus_type to
> > return errors and if it's -EPROBE_DEFER then queue the device for
> > deferred probing.
> > 
> > This is useful to buses such as AMBA in which devices are registered
> > before their matching information can be retrieved from the HW
> > (typically because a clock driver hasn't probed yet).
> > 
> > Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
> > [changed if-else code structure, adjusted documentation to match the code,
> > extended comments]
> > Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
> > Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>
> 
> This patch _really_ needs an ack from Greg before I can merge it.
> 
> DRIVER CORE, KOBJECTS, DEBUGFS, KERNFS AND SYSFS
> M:      Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> T:      git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.gitS:      Supported
> F:      Documentation/kobject.txt
> F:      drivers/base/
> 
> alternatively, the whole series should be taken by Greg, with my ack
> for the amba and ARM bits.
> 
> Given that Greg is unlikely to respond this close to the merge window
> (he's not responded to my messages about the amba-pl011 driver having
> been messed up by the wrong patch set being taken...) I think this has
> basically missed the 4.5 merge window.  Sorry.

I've been on vacation, so give me a week or so to catch up on
everything...

And yes, this missed the 4.5 merge window, that closed last week for my
trees.

thanks,

greg k-h
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