[Intel-wired-lan] [PATCH] fm10k: don't continue probe if PCI device not in normal IO state

Keller, Jacob E jacob.e.keller at intel.com
Thu Jun 23 20:12:43 UTC 2016


On Wed, 2016-06-22 at 22:24 -0700, Jeff Kirsher wrote:
> On Tue, 2016-06-14 at 16:26 -0700, Jacob Keller wrote:
> > In the event of an uncorrectable AER error occuring when the driver
> > has
> > not loaded, the recovery routines are not done. This is done
> > because
> > future loads of the driver may not be aware of the IO state and may
> > not
> > be able to recover at all. In this case, when we next load the
> > driver it
> > fails due to what appears to be a surprise remove event. Instead,
> > add
> > a check to ensure that the device is in the normal IO state before
> > continuing to probe. This allows us to give a more descriptive
> > message
> > of what is wrong.
> > 
> > Without this change, the driver will attempt to probe up to our
> > first
> > call of .reset_hw() which will be unable to read registers and act
> > as if
> > a surprise remove event occurred.
> > 
> > Signed-off-by: Jacob Keller <jacob.e.keller at intel.com>
> > ---
> >  drivers/net/ethernet/intel/fm10k/fm10k_pci.c | 6 ++++++
> >  1 file changed, 6 insertions(+)
> 
> This does not apply at all, the code was already removed in a
> previous
> patch.  So I am dropping this patch.

I'll take a look and re-submit a version on top of queue if we still
need something.

Thanks,
Jake


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