linux-kernel - Re: [PATCH v5 0/5] usb/gadget: independent registration of gadgets and gadget drivers

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Message-ID: <20151019081125.GS2711@lukather>
Date:	Mon, 19 Oct 2015 10:11:25 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Ruslan Bilovol <ruslan.bilovol@...il.com>
Cc:	balbi@...com, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, k.opasiak@...sung.com,
	stern@...land.harvard.edu, peter.chen@...escale.com,
	gregkh@...uxfoundation.org, andrzej.p@...sung.com
Subject: Re: [PATCH v5 0/5] usb/gadget: independent registration of gadgets
 and gadget drivers

Hi,

On Tue, Jun 23, 2015 at 01:01:09AM +0300, Ruslan Bilovol wrote:
> This patchset adds independent registration of gadgets
> and gadget drivers to udc-core. This is very useful for
> built-in modules into kernel case since it's possible
> situation that gadget driver is probing at a time
> when no gadgets are registered in udc-core.
> In this case instead of silently failing without
> of any attempt to recover, with independent registration
> of gadgets and gadget drivers there is no matter
> in which order gadgets and gadget drivers are
> probed/registered.
> 
> This patch has side-effect on gadget drivers that had
> __init/__exit attributes on some paths like bind/unbind
> and (since bind/unbind may happen at any time) should
> not use them now. This is covered by forth patch
> 

Has there been any progress on these patches? They're fixing some real
issue that we're seeing, and it seems to both work quite well and not
generate a lot of pushback.

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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