linux-kernel - Re: [PATCH v4 03/10] PCI: Update xxx_pcie_ep_raise_irq() and pci_epc_raise

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Date:   Tue, 19 Jun 2018 02:17:41 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Gustavo Pimentel <gustavo.pimentel@...opsys.com>
Cc:     kbuild-all@...org, bhelgaas@...gle.com, lorenzo.pieralisi@....com,
        Joao.Pinto@...opsys.com, jingoohan1@...il.com, kishon@...com,
        adouglas@...ence.com, jesper.nilsson@...s.com,
        linux-pci@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>
Subject: Re: [PATCH v4 03/10] PCI: Update xxx_pcie_ep_raise_irq() and
 pci_epc_raise_irq() signatures

Hi Gustavo,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on pci/next]
[also build test ERROR on v4.18-rc1 next-20180618]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Gustavo-Pimentel/Add-MSI-X-support-on-pcitest-tool/20180619-004625
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 8.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=8.1.0 make.cross ARCH=ia64 

All errors (new ones prefixed by >>):

>> drivers/pci/controller/pcie-rockchip-ep.c:516:15: error: initialization of 'int (*)(struct pci_epc *, u8,  enum pci_epc_irq_type,  u16)' {aka 'int (*)(struct pci_epc *, unsigned char,  enum pci_epc_irq_type,  short unsigned int)'} from incompatible pointer type 'int (*)(struct pci_epc *, u8,  enum pci_epc_irq_type,  u8)' {aka 'int (*)(struct pci_epc *, unsigned char,  enum pci_epc_irq_type,  unsigned char)'} [-Werror=incompatible-pointer-types]
     .raise_irq = rockchip_pcie_ep_raise_irq,
                  ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pci/controller/pcie-rockchip-ep.c:516:15: note: (near initialization for 'rockchip_pcie_epc_ops.raise_irq')
   cc1: some warnings being treated as errors

vim +516 drivers/pci/controller/pcie-rockchip-ep.c

cf590b07 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09  507  
cf590b07 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09  508  static const struct pci_epc_ops rockchip_pcie_epc_ops = {
cf590b07 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09  509  	.write_header	= rockchip_pcie_ep_write_header,
cf590b07 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09  510  	.set_bar	= rockchip_pcie_ep_set_bar,
cf590b07 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09  511  	.clear_bar	= rockchip_pcie_ep_clear_bar,
cf590b07 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09  512  	.map_addr	= rockchip_pcie_ep_map_addr,
cf590b07 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09  513  	.unmap_addr	= rockchip_pcie_ep_unmap_addr,
cf590b07 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09  514  	.set_msi	= rockchip_pcie_ep_set_msi,
cf590b07 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09  515  	.get_msi	= rockchip_pcie_ep_get_msi,
cf590b07 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 @516  	.raise_irq	= rockchip_pcie_ep_raise_irq,
cf590b07 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09  517  	.start		= rockchip_pcie_ep_start,
cf590b07 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09  518  };
cf590b07 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09  519  

:::::: The code at line 516 was first introduced by commit
:::::: cf590b07839133146842d2d3d9a68f804c2edc4b PCI: rockchip: Add EP driver for Rockchip PCIe controller

:::::: TO: Shawn Lin <shawn.lin@...k-chips.com>
:::::: CC: Lorenzo Pieralisi <lorenzo.pieralisi@....com>

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