From mboxrd@z Thu Jan 1 00:00:00 1970 From: jgunthorpe@obsidianresearch.com (Jason Gunthorpe) Date: Sun, 24 Nov 2013 22:52:22 -0700 Subject: [PATCH 1/2] PCI: mvebu - The bridge should obey the MEM and IO command bits In-Reply-To: <20131124025808.GQ29241@titan.lakedaemon.net> References: <1383262380-6984-1-git-send-email-jgunthorpe@obsidianresearch.com> <20131124025808.GQ29241@titan.lakedaemon.net> Message-ID: <20131125055222.GA28064@obsidianresearch.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Sat, Nov 23, 2013 at 09:58:08PM -0500, Jason Cooper wrote: > Jason, > > On Thu, Oct 31, 2013 at 05:32:59PM -0600, Jason Gunthorpe wrote: > > When PCI_COMMAND_MEMORY/PCI_COMMAND_IO are cleared the bridge should not > > allocate windows or even look at the window limit/base registers. > > > > Otherwise it can attempt to setup bogus windows that the PCI core code > > creates during discovery. The core will leave PCI_COMMAND_IO cleared if > > it doesn't need an IO window. > > > > Have mvebu_pcie_handle_*_change respect the bits, and call the change > > function whenever the bits changes. > > > > Signed-off-by: Jason Gunthorpe > > drivers/pci/host/pci-mvebu.c | 14 ++++++++++++-- > > 1 file changed, 12 insertions(+), 2 deletions(-) > > I'd like to get back on track with these small patches being Acked by > mvebu maintainers and then going through Bjorn. Could you please resend > an updated patchset for this and 2/2? I recall these two patches are waiting for Thomas to give his Ok. His testing found problems with the prior versions that I cannot detect on my hardware.. Once that happens I can send them on with his ack to Bjorn? Regards, Jason