From: Murali Karicheri <m-karicheri2@ti.com>
Date: Mon, 8 Sep 2014 17:03:34 +0000 (-0400)
Subject: PCI: keystone: Limit MRSS for all downstream devices
X-Git-Tag: omap-for-v3.19/prcm-cleanup~136^2~12^4~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c15982dfa8227f3e8fd2a6e2e13a009a9991d96c;p=pandora-kernel.git

PCI: keystone: Limit MRSS for all downstream devices

Keystone PCIe controller has a limitation that memory read request size
must not exceed 256 bytes.  This is a hardware limitation.  Add a quirk to
force this limit on all downstream devices by updating MRRS.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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