From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 16 May 2011 17:51:24 +0000 (+0100)
Subject: sfc: Use netif_device_{detach,attach}() around reset and self-test
X-Git-Tag: v3.0-rc1~377^2~51^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e4abce8538496ba90cb89909894ea42e00f96a7d;p=pandora-kernel.git

sfc: Use netif_device_{detach,attach}() around reset and self-test

We need to keep the TX queues stopped throughout a reset, without
triggering the TX watchdog and regardless of the link state.  The
proper way to do this is to use netif_device_{detach,attach}() just as
we do around suspend/resume, rather than the current bodge of faking
link-down.

Since we also need to do this during an offline self-test and we
perform a reset during that, add these function calls outside of
efx_reset_down() and efx_reset_up().

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