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Commit de17c520 authored by Rob Herring's avatar Rob Herring Committed by Lorenzo Pieralisi
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PCI: Remove unnecessary check of device_type == pci



PCI host drivers have already matched on compatible strings, so checking
device_type is redundant. Also, device_type is considered deprecated for
FDT though we've still been requiring it for PCI hosts as it is useful
for finding PCI buses.

Signed-off-by: default avatarRob Herring <robh@kernel.org>
[lorenzo.pieralisi@arm.com: reformatted the log]
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: default avatarAlan Douglas <adouglas@cadence.com>
Acked-by: default avatarSubrahmaya Lingappa <l.subrahmanya@mobiveil.co.in>
Acked-by: default avatarMichal Simek <michal.simek@xilinx.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Alan Douglas <adouglas@cadence.com>
Cc: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: linux-pci@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
parent 7876320f
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+0 −8
Original line number Diff line number Diff line
@@ -58,9 +58,7 @@ static struct pci_config_window *gen_pci_init(struct device *dev,
int pci_host_common_probe(struct platform_device *pdev,
			  struct pci_ecam_ops *ops)
{
	const char *type;
	struct device *dev = &pdev->dev;
	struct device_node *np = dev->of_node;
	struct pci_host_bridge *bridge;
	struct pci_config_window *cfg;
	struct list_head resources;
@@ -70,12 +68,6 @@ int pci_host_common_probe(struct platform_device *pdev,
	if (!bridge)
		return -ENOMEM;

	type = of_get_property(np, "device_type", NULL);
	if (!type || strcmp(type, "pci")) {
		dev_err(dev, "invalid \"device_type\" %s\n", type);
		return -EINVAL;
	}

	of_pci_check_probe_only();

	/* Parse and map our Configuration Space windows */
+0 −7
Original line number Diff line number Diff line
@@ -235,7 +235,6 @@ static int cdns_pcie_host_init(struct device *dev,

static int cdns_pcie_host_probe(struct platform_device *pdev)
{
	const char *type;
	struct device *dev = &pdev->dev;
	struct device_node *np = dev->of_node;
	struct pci_host_bridge *bridge;
@@ -268,12 +267,6 @@ static int cdns_pcie_host_probe(struct platform_device *pdev)
	rc->device_id = 0xffff;
	of_property_read_u16(np, "device-id", &rc->device_id);

	type = of_get_property(np, "device_type", NULL);
	if (!type || strcmp(type, "pci")) {
		dev_err(dev, "invalid \"device_type\" %s\n", type);
		return -EINVAL;
	}

	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "reg");
	pcie->reg_base = devm_ioremap_resource(dev, res);
	if (IS_ERR(pcie->reg_base)) {
+0 −7
Original line number Diff line number Diff line
@@ -301,13 +301,6 @@ static int mobiveil_pcie_parse_dt(struct mobiveil_pcie *pcie)
	struct platform_device *pdev = pcie->pdev;
	struct device_node *node = dev->of_node;
	struct resource *res;
	const char *type;

	type = of_get_property(node, "device_type", NULL);
	if (!type || strcmp(type, "pci")) {
		dev_err(dev, "invalid \"device_type\" %s\n", type);
		return -EINVAL;
	}

	/* map config resource */
	res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
+0 −9
Original line number Diff line number Diff line
@@ -777,16 +777,7 @@ static int nwl_pcie_parse_dt(struct nwl_pcie *pcie,
			     struct platform_device *pdev)
{
	struct device *dev = pcie->dev;
	struct device_node *node = dev->of_node;
	struct resource *res;
	const char *type;

	/* Check for device type */
	type = of_get_property(node, "device_type", NULL);
	if (!type || strcmp(type, "pci")) {
		dev_err(dev, "invalid \"device_type\" %s\n", type);
		return -EINVAL;
	}

	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "breg");
	pcie->breg_base = devm_ioremap_resource(dev, res);
+0 −7
Original line number Diff line number Diff line
@@ -574,15 +574,8 @@ static int xilinx_pcie_parse_dt(struct xilinx_pcie_port *port)
	struct device *dev = port->dev;
	struct device_node *node = dev->of_node;
	struct resource regs;
	const char *type;
	int err;

	type = of_get_property(node, "device_type", NULL);
	if (!type || strcmp(type, "pci")) {
		dev_err(dev, "invalid \"device_type\" %s\n", type);
		return -EINVAL;
	}

	err = of_address_to_resource(node, 0, &regs);
	if (err) {
		dev_err(dev, "missing \"reg\" property\n");