linux-kernel - Re: [PATCH v4 1/1] usb: ulpi: ulpi_init should be executed in subsys

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 27 May 2015 09:53:27 -0700
From:	David Cohen <david.a.cohen@...ux.intel.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Lu Baolu <baolu.lu@...ux.intel.com>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	balbi@...com, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, qiuxu.zhuo@...el.com
Subject: Re: [PATCH v4 1/1] usb: ulpi: ulpi_init should be executed in
 subsys_initcall

Hi,

On Tue, May 26, 2015 at 07:37:02PM -0700, Greg Kroah-Hartman wrote:
> On Wed, May 27, 2015 at 09:45:37AM +0800, Lu Baolu wrote:
> > Phy drivers and the ulpi interface providers depend on the
> > registration of the ulpi bus.  Ulpi registers the bus in
> > module_init(). This could cause unnecessary probe delays.
> 
> What do you mean by "probe delays"?

I believe he meant the bus users' probe delays. i.e. unnecessary
-EPROBE_DEFER happening on ulpi_drivers in case they're registered
before ulpi bus itself.

Is that correct, Baolu?

Br, David
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/