From mboxrd@z Thu Jan 1 00:00:00 1970 From: benh@kernel.crashing.org (Benjamin Herrenschmidt) Date: Sat, 22 Feb 2014 06:53:23 +1100 Subject: pci-mvebu driver on km_kirkwood In-Reply-To: References: <20130711163220.2b3adf38@skate> <53039894.10905@keymile.com> <20140218212751.07c2aeb5@skate> <53046D98.6020801@keymile.com> <20140219102658.76eec91e@skate> <53047BBB.6040108@keymile.com> <20140219143749.65ff3155@skate> <20140220095518.7ca36f0a@skate> <20140221002438.GE19893@obsidianresearch.com> Message-ID: <1393012403.6771.89.camel@pasglop> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, 2014-02-21 at 12:05 -0700, Bjorn Helgaas wrote: > But I wonder if powerpc has a similar issue here: I think EEH might > need, for example 16MB bridge window alignment. Since > pcibios_window_alignment() only affects the *starting* address, could > the core assign a 9MB window whose starting address is 16MB-aligned? > Could EEH deal with that? What if the PCI core assigned the space > right after the 9MB window to another device? Gavin, did you guys deal with that at all ? Are we aligning the size as well somewhat ? Cheers, Ben.