]> git.karo-electronics.de Git - karo-tx-linux.git/commitdiff
PCI: versatile: Update PCI config space remap function
authorLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Wed, 19 Apr 2017 16:49:10 +0000 (17:49 +0100)
committerBjorn Helgaas <bhelgaas@google.com>
Mon, 24 Apr 2017 18:53:18 +0000 (13:53 -0500)
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_ioremap_nopost* interface to make sure the correct
memory mappings for PCI configuration space are used.

Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Rob Herring <robh@kernel.org>
drivers/pci/host/pci-versatile.c

index 5ebee7d37ff5f0d59e5c032ab0dc9af4b5e3dbbe..85e773661bc813c395e9584e8eded1f5b059a3fb 100644 (file)
@@ -138,7 +138,8 @@ static int versatile_pci_probe(struct platform_device *pdev)
                return PTR_ERR(versatile_cfg_base[0]);
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
-       versatile_cfg_base[1] = devm_ioremap_resource(&pdev->dev, res);
+       versatile_cfg_base[1] = devm_pci_remap_cfg_resource(&pdev->dev,
+                                                           res);
        if (IS_ERR(versatile_cfg_base[1]))
                return PTR_ERR(versatile_cfg_base[1]);