From: Daniel Axtens <dja@axtens.net>
Date: Fri, 14 Aug 2015 07:41:25 +0000 (+1000)
Subject: cxl: Allow the kernel to trust that an image won't change on PERST.
X-Git-Tag: omap-for-v4.3/fixes-rc1~100^2~42
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=13e68d8bd05c998cae452a4f3400af1e8edd852e;p=pandora-kernel.git

cxl: Allow the kernel to trust that an image won't change on PERST.

Provide a kernel API and a sysfs entry which allow a user to specify
that when a card is PERSTed, it's image will stay the same, allowing
it to participate in EEH.

cxl_reset is used to reflash the card. In that case, we cannot safely
assert that the image will not change. Therefore, disallow cxl_reset
if the flag is set.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---

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