linux-kernel - [PATCH 08/20] PCI: xilinx: update PCI config space remap function

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Message-Id: <20170227151436.18698-9-lorenzo.pieralisi@arm.com>
Date:   Mon, 27 Feb 2017 15:14:19 +0000
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Bharat Kumar Gogada <bharat.kumar.gogada@...inx.com>,
        Michal Simek <michal.simek@...inx.com>
Subject: [PATCH 08/20] PCI: xilinx: update PCI config space remap function

PCI configuration space should be mapped with a memory region type that
generates on the CPU host bus non-posted write transations. Update the
driver to use the devm_pci_remap_cfg* interface to make sure the correct
memory mappings for PCI configuration space are used.

Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Bharat Kumar Gogada <bharat.kumar.gogada@...inx.com>
Cc: Michal Simek <michal.simek@...inx.com>
---
 drivers/pci/host/pcie-xilinx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
index 7f030f5..2fe2df5 100644
--- a/drivers/pci/host/pcie-xilinx.c
+++ b/drivers/pci/host/pcie-xilinx.c
@@ -606,7 +606,7 @@ static int xilinx_pcie_parse_dt(struct xilinx_pcie_port *port)
 		return err;
 	}
 
-	port->reg_base = devm_ioremap_resource(dev, &regs);
+	port->reg_base = devm_pci_remap_cfg_resource(dev, &regs);
 	if (IS_ERR(port->reg_base))
 		return PTR_ERR(port->reg_base);
 
-- 
2.10.0