linux-kernel - Re: [RFC v2 2/6] driver-core: add driver async

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Message-ID: <CAB=NE6VV97M=iXRQZpGUhEksrqE4JBVDSAU1Wjx_viqatsirmw@mail.gmail.com>
Date:	Tue, 21 Oct 2014 01:43:25 +0200
From:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Wu Zhangjin <falcon@...zu.com>, Takashi Iwai <tiwai@...e.de>,
	Tejun Heo <tj@...nel.org>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Oleg Nesterov <oleg@...hat.com>, hare <hare@...e.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
	Joseph Salisbury <joseph.salisbury@...onical.com>,
	Benjamin Poirier <bpoirier@...e.de>,
	Santosh Rastapur <santosh@...lsio.com>,
	Kay Sievers <kay@...y.org>,
	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Tim Gardner <tim.gardner@...onical.com>,
	Pierre Fersing <pierre-fersing@...rref.org>,
	Nagalakshmi Nandigama <nagalakshmi.nandigama@...gotech.com>,
	Praveen Krishnamoorthy <praveen.krishnamoorthy@...gotech.com>,
	Sreekanth Reddy <sreekanth.reddy@...gotech.com>,
	Abhijit Mahajan <abhijit.mahajan@...gotech.com>,
	Casey Leedom <leedom@...lsio.com>,
	Hariprasad S <hariprasad@...lsio.com>,
	"mpt-fusionlinux.pdl" <MPT-FusionLinux.pdl@...gotech.com>,
	Linux SCSI List <linux-scsi@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [RFC v2 2/6] driver-core: add driver async_probe support

> diff --git a/drivers/base/bus.c b/drivers/base/bus.c
> index 83e910a..49fe573 100644
> --- a/drivers/base/bus.c
> +++ b/drivers/base/bus.c
> @@ -10,6 +10,7 @@
>   *
>   */
>
> +#include <linux/async.h>
>  #include <linux/device.h>
>  #include <linux/module.h>
>  #include <linux/errno.h>
> @@ -547,15 +548,12 @@ void bus_probe_device(struct device *dev)
>  {
>         struct bus_type *bus = dev->bus;
>         struct subsys_interface *sif;
> -       int ret;
>
>         if (!bus)
>                 return;
>
> -       if (bus->p->drivers_autoprobe) {
> -               ret = device_attach(dev);
> -               WARN_ON(ret < 0);
> -       }
> +       if (bus->p->drivers_autoprobe)
> +               device_initial_probe(dev);
>
>         mutex_lock(&bus->p->mutex);
>         list_for_each_entry(sif, &bus->p->interfaces, node)
> @@ -657,6 +655,17 @@ static ssize_t uevent_store(struct device_driver *drv, const char *buf,
>  }
>  static DRIVER_ATTR_WO(uevent);

Based on my review with my latest changes this is what I was missing,
I'll be sure to address this.

 Luis
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