linux-kernel - [PATCH v1 03/25] PCI: designware: Request host bridge window resources

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Date:	Mon, 06 Jun 2016 18:05:08 -0500
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	linux-pci@...r.kernel.org
Cc:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Rob Herring <robh@...nel.org>,
	Jason Cooper <jason@...edaemon.net>,
	Scott Branden <sbranden@...adcom.com>,
	Jon Mason <jonmason@...adcom.com>,
	Jingoo Han <jingoohan1@...il.com>,
	Pratyush Anand <pratyush.anand@...il.com>,
	linux-kernel@...r.kernel.org, rfi@...ts.rocketboards.org,
	linux-renesas-soc@...r.kernel.org,
	Simon Horman <horms@...ge.net.au>,
	Thierry Reding <thierry.reding@...il.com>,
	Tanmay Inamdar <tinamdar@....com>, Ray Jui <rjui@...adcom.com>,
	linux-tegra@...r.kernel.org, Ley Foon Tan <lftan@...era.com>,
	Michal Simek <michal.simek@...inx.com>,
	Sören Brinkmann <soren.brinkmann@...inx.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v1 03/25] PCI: designware: Request host bridge window
 resources

Request host bridge window resources so they appear in ioport_resource and
iomem_resource and are reflected in /proc/ioports and /proc/iomem.

Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
---
 drivers/pci/host/pcie-designware.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 9ade767..8304aeb 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -452,6 +452,10 @@ int dw_pcie_host_init(struct pcie_port *pp)
 	if (ret)
 		return ret;
 
+	ret = devm_request_pci_bus_resources(&pdev->dev, &res);
+	if (ret)
+		goto error;
+
 	/* Get the I/O and memory ranges from DT */
 	resource_list_for_each_entry(win, &res) {
 		switch (resource_type(win->res)) {