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

From: Greg KH
Date: Wed Jan 08 2014 - 18:24:17 EST


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@xxxxxxxxxxxxxxx>
> Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
> Signed-off-by: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
> ---
> 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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