[PATCH 13/20] PCI: iproc-platform: update PCI config space remap function

From	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Newsgroups	linux.kernel
Subject	[PATCH 13/20] PCI: iproc-platform: update PCI config space remap function
Date	2017-02-27 16:20 +0100
Message-ID	<tfvfJ-7o7-39@gated-at.bofh.it> (permalink)
References	<tfvfH-7o7-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Jon Mason <jonmason@broadcom.com>
---
 drivers/pci/host/pcie-iproc-platform.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/host/pcie-iproc-platform.c b/drivers/pci/host/pcie-iproc-platform.c
index f4909bb..b48d0db 100644
--- a/drivers/pci/host/pcie-iproc-platform.c
+++ b/drivers/pci/host/pcie-iproc-platform.c
@@ -67,7 +67,8 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	pcie->base = devm_ioremap(dev, reg.start, resource_size(&reg));
+	pcie->base = devm_pci_remap_cfgspace(dev, reg.start,
+					     resource_size(&reg));
 	if (!pcie->base) {
 		dev_err(dev, "unable to map controller registers\n");
 		return -ENOMEM;
-- 
2.10.0

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[PATCH 13/20] PCI: iproc-platform: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-27 16:20 +0100
  Re: [PATCH 13/20] PCI: iproc-platform: update PCI config space remap  function Ray Jui <ray.jui@broadcom.com> - 2017-02-27 23:00 +0100
    Re: [PATCH 13/20] PCI: iproc-platform: update PCI config space remap  function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-28 12:10 +0100
      Re: [PATCH 13/20] PCI: iproc-platform: update PCI config space remap  function Ray Jui <ray.jui@broadcom.com> - 2017-02-28 20:40 +0100

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