linux-kernel - Re: [PATCH 2/3] usb: gadget: fsl_qe_udc: do not use tasklet_disable before tasklet

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Message-ID: <CADRPPNSQzCrHRQMoFf280pqS7AUOAzOq-swT3Hwagphiire5-Q@mail.gmail.com>
Date:	Wed, 31 Oct 2012 22:35:37 +0800
From:	Li Yang <leoli@...escale.com>
To:	balbi@...com
Cc:	Xiaotian Feng <xtfeng@...il.com>, linux-kernel@...r.kernel.org,
	Xiaotian Feng <dannyfeng@...cent.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH 2/3] usb: gadget: fsl_qe_udc: do not use tasklet_disable
 before tasklet_kill

On Wed, Oct 31, 2012 at 9:26 PM, Felipe Balbi <balbi@...com> wrote:
> On Wed, Oct 31, 2012 at 04:06:00PM +0800, Xiaotian Feng wrote:
>> If tasklet_disable() is called before related tasklet handled,
>> tasklet_kill will never be finished. tasklet_kill is enough.
>
> how did you test this ? Why changing FSL driver instead of switching
> over to chipidea which is supposed to be shared by every licensee of the
> chipidea core ?

The QE UDC is an private controller that is not compatible with the
Chipidea core.

- Leo
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