From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 4 Jul 2012 02:58:33 +0000 (+0100)
Subject: sfc: Disable VF queues during register self-test
X-Git-Tag: v3.6-rc1~125^2~120^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d4f2cecce138c34960c467d0ae38a6d4bcd6af7b;p=pandora-kernel.git

sfc: Disable VF queues during register self-test

Currently VF queues and drivers may remain active during this test.
This could cause memory corruption or spurious test failures.
Therefore we reset the port/function before running these tests on
Siena.

On Falcon this doesn't work: we have to do some additional
initialisation before some blocks will work again.  So refactor the
reset/register-test sequence into an efx_nic_type method so
efx_selftest() doesn't have to consider such quirks.

In the process, fix another minor bug: Siena does not have an
'invisible' reset and the self-test currently fails to push the PHY
configuration after resetting.  Passing RESET_TYPE_ALL to
efx_reset_{down,up}() fixes this.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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