linux-kernel - Re: [PATCH] usb otg: use atomic notifier instead of blocking notifier

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Message-ID: <20110119104032.GJ2505@legolas.emea.dhcp.ti.com>
Date:	Wed, 19 Jan 2011 12:40:32 +0200
From:	Felipe Balbi <balbi@...com>
To:	Yang Ruirui <ruirui.r.yang@...to.com>
Cc:	Greg Kroah-Hartman <gregkh@...e.de>,
	Mian Yousaf Kaukab <mian.yousaf.kaukab@...ricsson.com>,
	Linus Walleij <linus.walleij@...ricsson.com>,
	Felipe Balbi <felipe.balbi@...ia.com>,
	Heikki Krogerus <ext-heikki.krogerus@...ia.com>,
	Tejun Heo <tj@...nel.org>,
	Samuel Ortiz <sameo@...ux.intel.com>, Hema HK <hemahk@...com>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb otg: use atomic notifier instead of blocking
 notifier

hi,

On Wed, Jan 19, 2011 at 05:20:11PM +0800, Yang Ruirui wrote:
> 
> following bug happens with meego 2.6.35 kernel on nokia n900:

<snip>

> Actually the blocking notifier chain runs in process context, so not fit for use here.
> 
> For mainline kernel there's such issue as well.
> Here fix this problem by changing to use atomic_notifier.
> 
> Signed-off-by: Yang Ruirui <ruirui.r.yang@...to.com>
> ---
>  drivers/usb/otg/ab8500-usb.c  |    6 +++---
>  drivers/usb/otg/twl4030-usb.c |    6 +++---
>  drivers/usb/otg/twl6030-usb.c |    6 +++---

you're missing the other transceivers:
drivers/usb/otg/langwell_otg.c
drivers/usb/otg/msm72k_otg.c
drivers/usb/otg/gpio_vbus.c
drivers/usb/otg/nop-usb-xceiv.c
drivers/usb/otg/ulpi.c
drivers/usb/otg/isp1301_omap.c

-- 
balbi
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