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

kbuild test robot
2016-01-12T09:56:29Z

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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>

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