Re: drivers/irqchip/irq-bcm7038-l1.c:312:13: error: implicit declaration of function 'cpu_logical_map'

[Florian Fainelli <f.fainelli@gmail.com>]

On 7/23/2020 9:07 PM, kernel test robot wrote:
> Hi Justin,
> 
> FYI, the error/warning still remains.
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   d15be546031cf65a0fc34879beca02fd90fe7ac7
> commit: 6468fc18b00685c82408f40e9569c0d3527862b8 irqchip/irq-bcm7038-l1: Add PM support
> date:   9 months ago
> config: mips-randconfig-r033-20200724 (attached as .config)
> compiler: mipsel-linux-gcc (GCC) 9.3.0
> 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
>         git checkout 6468fc18b00685c82408f40e9569c0d3527862b8
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All errors (new ones prefixed by >>):
> 
>    drivers/irqchip/irq-bcm7038-l1.c: In function 'bcm7038_l1_suspend':
>>> drivers/irqchip/irq-bcm7038-l1.c:312:13: error: implicit declaration of function 'cpu_logical_map' [-Werror=implicit-function-declaration]
>      312 |  boot_cpu = cpu_logical_map(0);
>          |             ^~~~~~~~~~~~~~~
>    drivers/irqchip/irq-bcm7038-l1.c: At top level:
>    drivers/irqchip/irq-bcm7038-l1.c:393:12: warning: no previous prototype for 'bcm7038_l1_of_init' [-Wmissing-prototypes]
>      393 | int __init bcm7038_l1_of_init(struct device_node *dn,
>          |            ^~~~~~~~~~~~~~~~~~
>    cc1: some warnings being treated as errors
> 
> vim +/cpu_logical_map +312 drivers/irqchip/irq-bcm7038-l1.c

Ah this needs to be guarded with CONFIG_SMP which this failing .config
did not enable, I will submit a fix for that first thing in the morning.
-- 
Florian