[PATCH v5 2/4] irqchip: Add IMX MU MSI controller driver

[kernel test robot]

Hi Frank,

I love your patch! Yet something to improve:

[auto build test ERROR on jonmason-ntb/ntb-next]
[also build test ERROR on robh/for-next linus/master v6.0-rc1 next-20220816]
[cannot apply to tip/irq/core]
[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/Frank-Li/PCI-EP-driver-support-MSI-doorbell-from-host/20220816-131930
base:   https://github.com/jonmason/ntb ntb-next
config: arm-multi_v5_defconfig (https://download.01.org/0day-ci/archive/20220817/202208170210.zGxvHnIZ-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project aed5e3bea138ce581d682158eb61c27b3cfdd6ec)
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
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/intel-lab-lkp/linux/commit/71296e2ad757d90e870b2ab81f2b06b9c76e7c41
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Frank-Li/PCI-EP-driver-support-MSI-doorbell-from-host/20220816-131930
        git checkout 71296e2ad757d90e870b2ab81f2b06b9c76e7c41
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang 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 at intel.com>

All errors (new ones prefixed by >>):

>> drivers/irqchip/irq-imx-mu-msi.c:124:13: error: use of undeclared identifier 'irq_chip_ack_parent'
           .irq_ack = irq_chip_ack_parent,
                      ^
   drivers/irqchip/irq-imx-mu-msi.c:127:30: error: variable has incomplete type 'struct msi_domain_ops'
   static struct msi_domain_ops imx_mu_msi_irq_ops = {
                                ^
   drivers/irqchip/irq-imx-mu-msi.c:127:15: note: forward declaration of 'struct msi_domain_ops'
   static struct msi_domain_ops imx_mu_msi_irq_ops = {
                 ^
   drivers/irqchip/irq-imx-mu-msi.c:131:12: error: use of undeclared identifier 'MSI_FLAG_USE_DEF_DOM_OPS'
           .flags  = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS),
                      ^
   drivers/irqchip/irq-imx-mu-msi.c:131:39: error: use of undeclared identifier 'MSI_FLAG_USE_DEF_CHIP_OPS'
           .flags  = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS),
                                                 ^
   drivers/irqchip/irq-imx-mu-msi.c:130:31: error: variable has incomplete type 'struct msi_domain_info'
   static struct msi_domain_info imx_mu_msi_domain_info = {
                                 ^
   drivers/irqchip/irq-imx-mu-msi.c:130:15: note: forward declaration of 'struct msi_domain_info'
   static struct msi_domain_info imx_mu_msi_domain_info = {
                 ^
   drivers/irqchip/irq-imx-mu-msi.c:203:3: error: field designator 'alloc' does not refer to any field in type 'const struct irq_domain_ops'
           .alloc  = imx_mu_msi_domain_irq_alloc,
            ^
   drivers/irqchip/irq-imx-mu-msi.c:204:3: error: field designator 'free' does not refer to any field in type 'const struct irq_domain_ops'
           .free   = imx_mu_msi_domain_irq_free,
            ^
   drivers/irqchip/irq-imx-mu-msi.c:241:25: error: call to undeclared function 'platform_msi_create_irq_domain'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
           msi_data->msi_domain = platform_msi_create_irq_domain(
                                  ^
   drivers/irqchip/irq-imx-mu-msi.c:295:32: warning: variable 'priv' set but not used [-Wunused-but-set-variable]
           struct imx_mu_msi *msi_data, *priv;
                                         ^
   1 warning and 8 errors generated.


vim +/irq_chip_ack_parent +124 drivers/irqchip/irq-imx-mu-msi.c

   121	
   122	static struct irq_chip imx_mu_msi_irq_chip = {
   123		.name = "MU-MSI",
 > 124		.irq_ack = irq_chip_ack_parent,
   125	};
   126	

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