linux-kernel - Re: [char-misc 3/4] mei: revamp mei reset state machine

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Message-ID: <20140108232437.GB11300@kroah.com>
Date:	Wed, 8 Jan 2014 15:24:37 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Tomas Winkler <tomas.winkler@...el.com>
Cc:	arnd@...db.de, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org,
	Alexander Usyskin <alexander.usyskin@...el.com>
Subject: Re: [char-misc 3/4] mei: revamp mei reset state machine

On Wed, Jan 08, 2014 at 08:19:23PM +0200, Tomas Winkler wrote:
> 1. MEI_DEV_RESETTING device state spans only hardware reset flow
> while starting dev state is saved into a local variable for further
> reference, this let us to reduce big if statements in case we
> are trying to avoid nested resets
> 
> 2. During initializations if the reset ended in MEI_DEV_DISABLED device
> state we bail out with -ENODEV
> 
> 3. Remove redundant interrupts_enabled parameter as this
>  can be deduced from the starting dev_state
> 
> 4. mei_reset propagates error code to the caller
> 
> 5. Add mei_restart function to wrap the pci resume
> 
> Cc: <stable@...r.kernel.org> 
> Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
> Signed-off-by: Alexander Usyskin <alexander.usyskin@...el.com>
> ---
>  drivers/misc/mei/hbm.c       |   2 +-
>  drivers/misc/mei/hw-me.c     |  10 +--
>  drivers/misc/mei/init.c      | 210 ++++++++++++++++++++++++++-----------------
>  drivers/misc/mei/interrupt.c |  13 +--
>  drivers/misc/mei/mei_dev.h   |   3 +-
>  drivers/misc/mei/pci-me.c    |  10 +--
>  6 files changed, 143 insertions(+), 105 deletions(-)

Again, way too big for stable kernels, sorry.

greg k-h
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