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

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Message-ID: <5B8DA87D05A7694D9FA63FD143655C1B1AF40E2C@HASMSX106.ger.corp.intel.com>
Date:	Sat, 11 Jan 2014 16:25:52 +0000
From:	"Winkler, Tomas" <tomas.winkler@...el.com>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	"arnd@...db.de" <arnd@...db.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"stable@...r.kernel.org" <stable@...r.kernel.org>,
	"Usyskin, Alexander" <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
> >
> > 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(-)
> 
> This patch fails to apply to my tree:

Hmm, this is due to the blank line that was dropped (https://lkml.org/lkml/2013/7/29/668) , forgot to adjust it in my tree. 

> 
> Care to fix it up and resend?

On the way.

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