diff mbox

[1/5] PCI: xilinx: Removing xilinx_pcie_parse_and_add_res function

Message ID 1452576399-1513-2-git-send-email-bharatku@xilinx.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Bharat Kumar Gogada Jan. 12, 2016, 5:26 a.m. UTC 
Removing xilinx_pcie_parse_and_add_res function replacing with
of_pci_get_host_bridge_resources API.

Signed-off-by: Bharat Kumar Gogada <bharatku@xilinx.com>
Signed-off-by: Ravi Kiran Gummaluri <rgummal@xilinx.com>
---
Changes:
Removing xilinx_pcie_parse_and_add_res function and replacing it
with of_pci_get_host_bridge_resources kernel API which does the same.
---
 drivers/pci/host/pcie-xilinx.c | 108 ++---------------------------------------
 1 file changed, 5 insertions(+), 103 deletions(-)

Comments

kernel test robot Jan. 12, 2016, 9:55 a.m. UTC | #1 
Hi Bharat,

[auto build test ERROR on pci/next]
[also build test ERROR on v4.4 next-20160111]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Bharat-Kumar-Gogada/PCI-xilinx-Removing-xilinx_pcie_parse_and_add_res-function/20160112-133224
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: arm-allyesconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm 

Note: the linux-review/Bharat-Kumar-Gogada/PCI-xilinx-Removing-xilinx_pcie_parse_and_add_res-function/20160112-133224 HEAD 8ae5c17c14eb5023b68a0c2bc9fabb3b24eab051 builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

>> drivers/pci/host/pcie-xilinx.c:657:25: error: expected '=', ',', ';', 'asm' or '__attribute__' before '-' token
     * xilinx_pcie_parse_dt - Parse Device tree
                            ^
>> drivers/pci/host/pcie-xilinx.c:658:4: error: stray '@' in program
     * @port: PCIe port information
       ^
   drivers/pci/host/pcie-xilinx.c: In function 'xilinx_pcie_probe':
>> drivers/pci/host/pcie-xilinx.c:722:2: error: implicit declaration of function 'xilinx_pcie_parse_dt' [-Werror=implicit-function-declaration]
     err = xilinx_pcie_parse_dt(port);
     ^
   drivers/pci/host/pcie-xilinx.c: At top level:
   drivers/pci/host/pcie-xilinx.c:391:20: warning: 'xilinx_pcie_intr_handler' defined but not used [-Wunused-function]
    static irqreturn_t xilinx_pcie_intr_handler(int irq, void *data)
                       ^
   cc1: some warnings being treated as errors

vim +657 drivers/pci/host/pcie-xilinx.c

8953aab1 Lorenzo Pieralisi   2015-07-29  651  	else
8953aab1 Lorenzo Pieralisi   2015-07-29  652  		bus = pci_scan_root_bus(port->dev, sys->busnr,
8953aab1 Lorenzo Pieralisi   2015-07-29  653  					&xilinx_pcie_ops, sys, &sys->resources);
8961def5 Srikanth Thokala    2014-08-20  654  	return bus;
8961def5 Srikanth Thokala    2014-08-20  655  }
8961def5 Srikanth Thokala    2014-08-20  656  
8961def5 Srikanth Thokala    2014-08-20 @657   * xilinx_pcie_parse_dt - Parse Device tree
8961def5 Srikanth Thokala    2014-08-20 @658   * @port: PCIe port information
8961def5 Srikanth Thokala    2014-08-20  659   *
8961def5 Srikanth Thokala    2014-08-20  660   * Return: '0' on success and error value on failure
8961def5 Srikanth Thokala    2014-08-20  661   */
8961def5 Srikanth Thokala    2014-08-20  662  static int xilinx_pcie_parse_dt(struct xilinx_pcie_port *port)
8961def5 Srikanth Thokala    2014-08-20  663  {
8961def5 Srikanth Thokala    2014-08-20  664  	struct device *dev = port->dev;
8961def5 Srikanth Thokala    2014-08-20  665  	struct device_node *node = dev->of_node;
8961def5 Srikanth Thokala    2014-08-20  666  	struct resource regs;
8961def5 Srikanth Thokala    2014-08-20  667  	const char *type;
8961def5 Srikanth Thokala    2014-08-20  668  	int err;
8961def5 Srikanth Thokala    2014-08-20  669  
8961def5 Srikanth Thokala    2014-08-20  670  	type = of_get_property(node, "device_type", NULL);
8961def5 Srikanth Thokala    2014-08-20  671  	if (!type || strcmp(type, "pci")) {
8961def5 Srikanth Thokala    2014-08-20  672  		dev_err(dev, "invalid \"device_type\" %s\n", type);
8961def5 Srikanth Thokala    2014-08-20  673  		return -EINVAL;
8961def5 Srikanth Thokala    2014-08-20  674  	}
8961def5 Srikanth Thokala    2014-08-20  675  
8961def5 Srikanth Thokala    2014-08-20  676  	err = of_address_to_resource(node, 0, &regs);
8961def5 Srikanth Thokala    2014-08-20  677  	if (err) {
8961def5 Srikanth Thokala    2014-08-20  678  		dev_err(dev, "missing \"reg\" property\n");
8961def5 Srikanth Thokala    2014-08-20  679  		return err;
8961def5 Srikanth Thokala    2014-08-20  680  	}
8961def5 Srikanth Thokala    2014-08-20  681  
8961def5 Srikanth Thokala    2014-08-20  682  	port->reg_base = devm_ioremap_resource(dev, &regs);
8961def5 Srikanth Thokala    2014-08-20  683  	if (IS_ERR(port->reg_base))
8961def5 Srikanth Thokala    2014-08-20  684  		return PTR_ERR(port->reg_base);
8961def5 Srikanth Thokala    2014-08-20  685  
8961def5 Srikanth Thokala    2014-08-20  686  	port->irq = irq_of_parse_and_map(node, 0);
8961def5 Srikanth Thokala    2014-08-20  687  	err = devm_request_irq(dev, port->irq, xilinx_pcie_intr_handler,
9dd875f8 Grygorii Strashko   2015-12-10  688  			       IRQF_SHARED | IRQF_NO_THREAD,
9dd875f8 Grygorii Strashko   2015-12-10  689  			       "xilinx-pcie", port);
8961def5 Srikanth Thokala    2014-08-20  690  	if (err) {
8961def5 Srikanth Thokala    2014-08-20  691  		dev_err(dev, "unable to request irq %d\n", port->irq);
8961def5 Srikanth Thokala    2014-08-20  692  		return err;
8961def5 Srikanth Thokala    2014-08-20  693  	}
8961def5 Srikanth Thokala    2014-08-20  694  
8961def5 Srikanth Thokala    2014-08-20  695  	return 0;
8961def5 Srikanth Thokala    2014-08-20  696  }
8961def5 Srikanth Thokala    2014-08-20  697  
8961def5 Srikanth Thokala    2014-08-20  698  /**
8961def5 Srikanth Thokala    2014-08-20  699   * xilinx_pcie_probe - Probe function
8961def5 Srikanth Thokala    2014-08-20  700   * @pdev: Platform device pointer
8961def5 Srikanth Thokala    2014-08-20  701   *
8961def5 Srikanth Thokala    2014-08-20  702   * Return: '0' on success and error value on failure
8961def5 Srikanth Thokala    2014-08-20  703   */
8961def5 Srikanth Thokala    2014-08-20  704  static int xilinx_pcie_probe(struct platform_device *pdev)
8961def5 Srikanth Thokala    2014-08-20  705  {
8961def5 Srikanth Thokala    2014-08-20  706  	struct xilinx_pcie_port *port;
8961def5 Srikanth Thokala    2014-08-20  707  	struct hw_pci hw;
8961def5 Srikanth Thokala    2014-08-20  708  	struct device *dev = &pdev->dev;
8961def5 Srikanth Thokala    2014-08-20  709  	int err;
aefcb31a Bharat Kumar Gogada 2016-01-12  710  	resource_size_t iobase = 0;
aefcb31a Bharat Kumar Gogada 2016-01-12  711  	LIST_HEAD(res);
8961def5 Srikanth Thokala    2014-08-20  712  
8961def5 Srikanth Thokala    2014-08-20  713  	if (!dev->of_node)
8961def5 Srikanth Thokala    2014-08-20  714  		return -ENODEV;
8961def5 Srikanth Thokala    2014-08-20  715  
8961def5 Srikanth Thokala    2014-08-20  716  	port = devm_kzalloc(dev, sizeof(*port), GFP_KERNEL);
8961def5 Srikanth Thokala    2014-08-20  717  	if (!port)
8961def5 Srikanth Thokala    2014-08-20  718  		return -ENOMEM;
8961def5 Srikanth Thokala    2014-08-20  719  
8961def5 Srikanth Thokala    2014-08-20  720  	port->dev = dev;
8961def5 Srikanth Thokala    2014-08-20  721  
8961def5 Srikanth Thokala    2014-08-20 @722  	err = xilinx_pcie_parse_dt(port);
8961def5 Srikanth Thokala    2014-08-20  723  	if (err) {
8961def5 Srikanth Thokala    2014-08-20  724  		dev_err(dev, "Parsing DT failed\n");
8961def5 Srikanth Thokala    2014-08-20  725  		return err;

:::::: The code at line 657 was first introduced by commit
:::::: 8961def56845593f22ce85474e428f6e4892fdd3 PCI: xilinx: Add Xilinx AXI PCIe Host Bridge IP driver

:::::: TO: Srikanth Thokala <sthokal@xilinx.com>
:::::: CC: Bjorn Helgaas <bhelgaas@google.com>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
Bharat Kumar Gogada Jan. 12, 2016, 11:31 a.m. UTC | #2 
Will resend the patches.

> Hi Bharat,
> 
> [auto build test ERROR on pci/next]
> [also build test ERROR on v4.4 next-20160111] [if your patch is applied to the
> wrong git tree, please drop us a note to help improving the system]
> 
> url:    https://github.com/0day-ci/linux/commits/Bharat-Kumar-Gogada/PCI-
> xilinx-Removing-xilinx_pcie_parse_and_add_res-function/20160112-133224
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
> config: arm-allyesconfig (attached as .config)
> reproduce:
>         wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-
> tests.git/plain/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         make.cross ARCH=arm
> 
> Note: the linux-review/Bharat-Kumar-Gogada/PCI-xilinx-Removing-
> xilinx_pcie_parse_and_add_res-function/20160112-133224 HEAD
> 8ae5c17c14eb5023b68a0c2bc9fabb3b24eab051 builds fine.
>       It only hurts bisectibility.
> 
> All errors (new ones prefixed by >>):
> 
> >> drivers/pci/host/pcie-xilinx.c:657:25: error: expected '=', ',', ';',
> >> 'asm' or '__attribute__' before '-' token
>      * xilinx_pcie_parse_dt - Parse Device tree
>                             ^
> >> drivers/pci/host/pcie-xilinx.c:658:4: error: stray '@' in program
>      * @port: PCIe port information
>        ^
>    drivers/pci/host/pcie-xilinx.c: In function 'xilinx_pcie_probe':
> >> drivers/pci/host/pcie-xilinx.c:722:2: error: implicit declaration of
> >> function 'xilinx_pcie_parse_dt'
> >> [-Werror=implicit-function-declaration]
>      err = xilinx_pcie_parse_dt(port);
>      ^
>    drivers/pci/host/pcie-xilinx.c: At top level:
>    drivers/pci/host/pcie-xilinx.c:391:20: warning: 'xilinx_pcie_intr_handler'
> defined but not used [-Wunused-function]
>     static irqreturn_t xilinx_pcie_intr_handler(int irq, void *data)
>                        ^
>    cc1: some warnings being treated as errors
> 
> vim +657 drivers/pci/host/pcie-xilinx.c
> 
> 8953aab1 Lorenzo Pieralisi   2015-07-29  651  	else
> 8953aab1 Lorenzo Pieralisi   2015-07-29  652  		bus =
> pci_scan_root_bus(port->dev, sys->busnr,
> 8953aab1 Lorenzo Pieralisi   2015-07-29  653
> 	&xilinx_pcie_ops, sys, &sys->resources);
> 8961def5 Srikanth Thokala    2014-08-20  654  	return bus;
> 8961def5 Srikanth Thokala    2014-08-20  655  }
> 8961def5 Srikanth Thokala    2014-08-20  656
> 8961def5 Srikanth Thokala    2014-08-20 @657   * xilinx_pcie_parse_dt - Parse
> Device tree
> 8961def5 Srikanth Thokala    2014-08-20 @658   * @port: PCIe port
> information
> 8961def5 Srikanth Thokala    2014-08-20  659   *
> 8961def5 Srikanth Thokala    2014-08-20  660   * Return: '0' on success and
> error value on failure
> 8961def5 Srikanth Thokala    2014-08-20  661   */
> 8961def5 Srikanth Thokala    2014-08-20  662  static int
> xilinx_pcie_parse_dt(struct xilinx_pcie_port *port)
> 8961def5 Srikanth Thokala    2014-08-20  663  {
> 8961def5 Srikanth Thokala    2014-08-20  664  	struct device *dev = port-
> >dev;
> 8961def5 Srikanth Thokala    2014-08-20  665  	struct device_node *node =
> dev->of_node;
> 8961def5 Srikanth Thokala    2014-08-20  666  	struct resource regs;
> 8961def5 Srikanth Thokala    2014-08-20  667  	const char *type;
> 8961def5 Srikanth Thokala    2014-08-20  668  	int err;
> 8961def5 Srikanth Thokala    2014-08-20  669
> 8961def5 Srikanth Thokala    2014-08-20  670  	type =
> of_get_property(node, "device_type", NULL);
> 8961def5 Srikanth Thokala    2014-08-20  671  	if (!type || strcmp(type,
> "pci")) {
> 8961def5 Srikanth Thokala    2014-08-20  672  		dev_err(dev, "invalid
> \"device_type\" %s\n", type);
> 8961def5 Srikanth Thokala    2014-08-20  673  		return -EINVAL;
> 8961def5 Srikanth Thokala    2014-08-20  674  	}
> 8961def5 Srikanth Thokala    2014-08-20  675
> 8961def5 Srikanth Thokala    2014-08-20  676  	err =
> of_address_to_resource(node, 0, &regs);
> 8961def5 Srikanth Thokala    2014-08-20  677  	if (err) {
> 8961def5 Srikanth Thokala    2014-08-20  678  		dev_err(dev,
> "missing \"reg\" property\n");
> 8961def5 Srikanth Thokala    2014-08-20  679  		return err;
> 8961def5 Srikanth Thokala    2014-08-20  680  	}
> 8961def5 Srikanth Thokala    2014-08-20  681
> 8961def5 Srikanth Thokala    2014-08-20  682  	port->reg_base =
> devm_ioremap_resource(dev, &regs);
> 8961def5 Srikanth Thokala    2014-08-20  683  	if (IS_ERR(port->reg_base))
> 8961def5 Srikanth Thokala    2014-08-20  684  		return PTR_ERR(port-
> >reg_base);
> 8961def5 Srikanth Thokala    2014-08-20  685
> 8961def5 Srikanth Thokala    2014-08-20  686  	port->irq =
> irq_of_parse_and_map(node, 0);
> 8961def5 Srikanth Thokala    2014-08-20  687  	err = devm_request_irq(dev,
> port->irq, xilinx_pcie_intr_handler,
> 9dd875f8 Grygorii Strashko   2015-12-10  688
> IRQF_SHARED | IRQF_NO_THREAD,
> 9dd875f8 Grygorii Strashko   2015-12-10  689  			       "xilinx-
> pcie", port);
> 8961def5 Srikanth Thokala    2014-08-20  690  	if (err) {
> 8961def5 Srikanth Thokala    2014-08-20  691  		dev_err(dev, "unable
> to request irq %d\n", port->irq);
> 8961def5 Srikanth Thokala    2014-08-20  692  		return err;
> 8961def5 Srikanth Thokala    2014-08-20  693  	}
> 8961def5 Srikanth Thokala    2014-08-20  694
> 8961def5 Srikanth Thokala    2014-08-20  695  	return 0;
> 8961def5 Srikanth Thokala    2014-08-20  696  }
> 8961def5 Srikanth Thokala    2014-08-20  697
> 8961def5 Srikanth Thokala    2014-08-20  698  /**
> 8961def5 Srikanth Thokala    2014-08-20  699   * xilinx_pcie_probe - Probe
> function
> 8961def5 Srikanth Thokala    2014-08-20  700   * @pdev: Platform device
> pointer
> 8961def5 Srikanth Thokala    2014-08-20  701   *
> 8961def5 Srikanth Thokala    2014-08-20  702   * Return: '0' on success and
> error value on failure
> 8961def5 Srikanth Thokala    2014-08-20  703   */
> 8961def5 Srikanth Thokala    2014-08-20  704  static int
> xilinx_pcie_probe(struct platform_device *pdev)
> 8961def5 Srikanth Thokala    2014-08-20  705  {
> 8961def5 Srikanth Thokala    2014-08-20  706  	struct xilinx_pcie_port *port;
> 8961def5 Srikanth Thokala    2014-08-20  707  	struct hw_pci hw;
> 8961def5 Srikanth Thokala    2014-08-20  708  	struct device *dev = &pdev-
> >dev;
> 8961def5 Srikanth Thokala    2014-08-20  709  	int err;
> aefcb31a Bharat Kumar Gogada 2016-01-12  710  	resource_size_t
> iobase = 0;
> aefcb31a Bharat Kumar Gogada 2016-01-12  711  	LIST_HEAD(res);
> 8961def5 Srikanth Thokala    2014-08-20  712
> 8961def5 Srikanth Thokala    2014-08-20  713  	if (!dev->of_node)
> 8961def5 Srikanth Thokala    2014-08-20  714  		return -ENODEV;
> 8961def5 Srikanth Thokala    2014-08-20  715
> 8961def5 Srikanth Thokala    2014-08-20  716  	port = devm_kzalloc(dev,
> sizeof(*port), GFP_KERNEL);
> 8961def5 Srikanth Thokala    2014-08-20  717  	if (!port)
> 8961def5 Srikanth Thokala    2014-08-20  718  		return -ENOMEM;
> 8961def5 Srikanth Thokala    2014-08-20  719
> 8961def5 Srikanth Thokala    2014-08-20  720  	port->dev = dev;
> 8961def5 Srikanth Thokala    2014-08-20  721
> 8961def5 Srikanth Thokala    2014-08-20 @722  	err =
> xilinx_pcie_parse_dt(port);
> 8961def5 Srikanth Thokala    2014-08-20  723  	if (err) {
> 8961def5 Srikanth Thokala    2014-08-20  724  		dev_err(dev, "Parsing
> DT failed\n");
> 8961def5 Srikanth Thokala    2014-08-20  725  		return err;
> 
> :::::: The code at line 657 was first introduced by commit
> :::::: 8961def56845593f22ce85474e428f6e4892fdd3 PCI: xilinx: Add Xilinx AXI
> PCIe Host Bridge IP driver
> 
> :::::: TO: Srikanth Thokala <sthokal@xilinx.com>
> :::::: CC: Bjorn Helgaas <bhelgaas@google.com>
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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diff mbox

Patch

diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
index 3c7a0d5..588e568 100644
--- a/drivers/pci/host/pcie-xilinx.c
+++ b/drivers/pci/host/pcie-xilinx.c
@@ -94,8 +94,6 @@ 
 /* Number of MSI IRQs */
 #define XILINX_NUM_MSI_IRQS		128
 
-/* Number of Memory Resources */
-#define XILINX_MAX_NUM_RESOURCES	3
 
 /**
  * struct xilinx_pcie_port - PCIe port information
@@ -105,7 +103,6 @@ 
  * @root_busno: Root Bus number
  * @dev: Device pointer
  * @irq_domain: IRQ domain pointer
- * @bus_range: Bus range
  * @resources: Bus Resources
  */
 struct xilinx_pcie_port {
@@ -115,7 +112,6 @@  struct xilinx_pcie_port {
 	u8 root_busno;
 	struct device *dev;
 	struct irq_domain *irq_domain;
-	struct resource bus_range;
 	struct list_head resources;
 };
 
@@ -658,98 +654,6 @@  static struct pci_bus *xilinx_pcie_scan_bus(int nr, struct pci_sys_data *sys)
 	return bus;
 }
 
-/**
- * xilinx_pcie_parse_and_add_res - Add resources by parsing ranges
- * @port: PCIe port information
- *
- * Return: '0' on success and error value on failure
- */
-static int xilinx_pcie_parse_and_add_res(struct xilinx_pcie_port *port)
-{
-	struct device *dev = port->dev;
-	struct device_node *node = dev->of_node;
-	struct resource *mem;
-	resource_size_t offset;
-	struct of_pci_range_parser parser;
-	struct of_pci_range range;
-	struct resource_entry *win;
-	int err = 0, mem_resno = 0;
-
-	/* Get the ranges */
-	if (of_pci_range_parser_init(&parser, node)) {
-		dev_err(dev, "missing \"ranges\" property\n");
-		return -EINVAL;
-	}
-
-	/* Parse the ranges and add the resources found to the list */
-	for_each_of_pci_range(&parser, &range) {
-
-		if (mem_resno >= XILINX_MAX_NUM_RESOURCES) {
-			dev_err(dev, "Maximum memory resources exceeded\n");
-			return -EINVAL;
-		}
-
-		mem = devm_kmalloc(dev, sizeof(*mem), GFP_KERNEL);
-		if (!mem) {
-			err = -ENOMEM;
-			goto free_resources;
-		}
-
-		of_pci_range_to_resource(&range, node, mem);
-
-		switch (mem->flags & IORESOURCE_TYPE_BITS) {
-		case IORESOURCE_MEM:
-			offset = range.cpu_addr - range.pci_addr;
-			mem_resno++;
-			break;
-		default:
-			err = -EINVAL;
-			break;
-		}
-
-		if (err < 0) {
-			dev_warn(dev, "Invalid resource found %pR\n", mem);
-			continue;
-		}
-
-		err = request_resource(&iomem_resource, mem);
-		if (err)
-			goto free_resources;
-
-		pci_add_resource_offset(&port->resources, mem, offset);
-	}
-
-	/* Get the bus range */
-	if (of_pci_parse_bus_range(node, &port->bus_range)) {
-		u32 val = pcie_read(port, XILINX_PCIE_REG_BIR);
-		u8 last;
-
-		last = (val & XILINX_PCIE_BIR_ECAM_SZ_MASK) >>
-			XILINX_PCIE_BIR_ECAM_SZ_SHIFT;
-
-		port->bus_range = (struct resource) {
-			.name	= node->name,
-			.start	= 0,
-			.end	= last,
-			.flags	= IORESOURCE_BUS,
-		};
-	}
-
-	/* Register bus resource */
-	pci_add_resource(&port->resources, &port->bus_range);
-
-	return 0;
-
-free_resources:
-	release_child_resources(&iomem_resource);
-	resource_list_for_each_entry(win, &port->resources)
-		devm_kfree(dev, win->res);
-	pci_free_resource_list(&port->resources);
-
-	return err;
-}
-
-/**
  * xilinx_pcie_parse_dt - Parse Device tree
  * @port: PCIe port information
  *
@@ -802,6 +706,8 @@  static int xilinx_pcie_probe(struct platform_device *pdev)
 	struct hw_pci hw;
 	struct device *dev = &pdev->dev;
 	int err;
+	resource_size_t iobase = 0;
+	LIST_HEAD(res);
 
 	if (!dev->of_node)
 		return -ENODEV;
@@ -826,14 +732,10 @@  static int xilinx_pcie_probe(struct platform_device *pdev)
 		return err;
 	}
 
-	/*
-	 * Parse PCI ranges, configuration bus range and
-	 * request their resources
-	 */
-	INIT_LIST_HEAD(&port->resources);
-	err = xilinx_pcie_parse_and_add_res(port);
+	err = of_pci_get_host_bridge_resources(dev->of_node, 0, 0xff, &res,
+					       &iobase);
 	if (err) {
-		dev_err(dev, "Failed adding resources\n");
+		dev_err(dev, "Getting bridge resources failed\n");
 		return err;
 	}