linux-kernel - Re: [PATCH 10/10] drivers: misc: use module_platform_driver

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Message-Id: <201303201020.14654.arnd@arndb.de>
Date:	Wed, 20 Mar 2013 10:20:14 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Fabio Porcedda <fabio.porcedda@...il.com>
Cc:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	H Hartley Sweeten <hartleys@...ionengravers.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
	"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>,
	"lm-sensors@...sensors.org" <lm-sensors@...sensors.org>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
	"linux-fbdev@...r.kernel.org" <linux-fbdev@...r.kernel.org>,
	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCH 10/10] drivers: misc: use module_platform_driver_probe()

On Wednesday 20 March 2013, Fabio Porcedda wrote:
> I think we can check inside the  deferred_probe_work_func()
> if the dev->probe function pointer is equal to platform_drv_probe_fail().

I think it's too late by then, because that would only warn if we try to probe
it again, but when platform_driver_probe() does not succeed immediately, it
unregisters the driver again, so we never get there.

	Arnd
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