Re: [PATCH 2/2] PCI: mvebu: switch to using gpiod API

From: kernel test robot
Date: Wed Sep 07 2022 - 00:12:18 EST


Hi Dmitry,

I love your patch! Yet something to improve:

[auto build test ERROR on helgaas-pci/next]
[also build test ERROR on linus/master v6.0-rc4 next-20220906]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Dmitry-Torokhov/PCI-histb-switch-to-using-gpiod-API/20220907-044417
base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: arm-defconfig (https://download.01.org/0day-ci/archive/20220907/202209071255.xlxq6qnE-lkp@xxxxxxxxx/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/90d5c7ec598d196395d3a5934099b56d1c8e071a
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Dmitry-Torokhov/PCI-histb-switch-to-using-gpiod-API/20220907-044417
git checkout 90d5c7ec598d196395d3a5934099b56d1c8e071a
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

drivers/pci/controller/pci-mvebu.c: In function 'mvebu_pcie_irq_handler':
>> drivers/pci/controller/pci-mvebu.c:1100:9: error: implicit declaration of function 'chained_irq_enter'; did you mean 'ct_irq_enter'? [-Werror=implicit-function-declaration]
1100 | chained_irq_enter(chip, desc);
| ^~~~~~~~~~~~~~~~~
| ct_irq_enter
>> drivers/pci/controller/pci-mvebu.c:1115:9: error: implicit declaration of function 'chained_irq_exit'; did you mean 'ct_irq_exit'? [-Werror=implicit-function-declaration]
1115 | chained_irq_exit(chip, desc);
| ^~~~~~~~~~~~~~~~
| ct_irq_exit
cc1: some warnings being treated as errors


vim +1100 drivers/pci/controller/pci-mvebu.c

ec075262648f39 Pali Rohár 2022-02-22 1091
ec075262648f39 Pali Rohár 2022-02-22 1092 static void mvebu_pcie_irq_handler(struct irq_desc *desc)
ec075262648f39 Pali Rohár 2022-02-22 1093 {
ec075262648f39 Pali Rohár 2022-02-22 1094 struct mvebu_pcie_port *port = irq_desc_get_handler_data(desc);
ec075262648f39 Pali Rohár 2022-02-22 1095 struct irq_chip *chip = irq_desc_get_chip(desc);
ec075262648f39 Pali Rohár 2022-02-22 1096 struct device *dev = &port->pcie->pdev->dev;
ec075262648f39 Pali Rohár 2022-02-22 1097 u32 cause, unmask, status;
ec075262648f39 Pali Rohár 2022-02-22 1098 int i;
ec075262648f39 Pali Rohár 2022-02-22 1099
ec075262648f39 Pali Rohár 2022-02-22 @1100 chained_irq_enter(chip, desc);
ec075262648f39 Pali Rohár 2022-02-22 1101
ec075262648f39 Pali Rohár 2022-02-22 1102 cause = mvebu_readl(port, PCIE_INT_CAUSE_OFF);
ec075262648f39 Pali Rohár 2022-02-22 1103 unmask = mvebu_readl(port, PCIE_INT_UNMASK_OFF);
ec075262648f39 Pali Rohár 2022-02-22 1104 status = cause & unmask;
ec075262648f39 Pali Rohár 2022-02-22 1105
ec075262648f39 Pali Rohár 2022-02-22 1106 /* Process legacy INTx interrupts */
ec075262648f39 Pali Rohár 2022-02-22 1107 for (i = 0; i < PCI_NUM_INTX; i++) {
ec075262648f39 Pali Rohár 2022-02-22 1108 if (!(status & PCIE_INT_INTX(i)))
ec075262648f39 Pali Rohár 2022-02-22 1109 continue;
ec075262648f39 Pali Rohár 2022-02-22 1110
ec075262648f39 Pali Rohár 2022-02-22 1111 if (generic_handle_domain_irq(port->intx_irq_domain, i) == -EINVAL)
ec075262648f39 Pali Rohár 2022-02-22 1112 dev_err_ratelimited(dev, "unexpected INT%c IRQ\n", (char)i+'A');
ec075262648f39 Pali Rohár 2022-02-22 1113 }
ec075262648f39 Pali Rohár 2022-02-22 1114
ec075262648f39 Pali Rohár 2022-02-22 @1115 chained_irq_exit(chip, desc);
ec075262648f39 Pali Rohár 2022-02-22 1116 }
ec075262648f39 Pali Rohár 2022-02-22 1117

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