From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Sat, 24 Oct 2009 00:48:36 +0000 (-0700)
Subject: wimax/i2400m: don't retry SDIO enable in probe() paths
X-Git-Tag: v2.6.33-rc1~388^2~487^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fae92216da87d1c78aa51c4503acb312a47266e9;p=pandora-kernel.git

wimax/i2400m: don't retry SDIO enable in probe() paths

The iwmc3200 has a quirk where retrying SDIO enable during the probe()
path causes bad interactions with the TOP function controller that
causes a reset storm. The workaround is simply not to retry an SDIO
enable in said path (and still do in the reset / reinitialization
paths).

The driver does so by checking i2400ms->debugfs_dentry to see if it
has been initialized; if not, it is in the probe() path. Document said
fact in i2400ms->debugfs_entry.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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