Re: [PATCH v4 6/6] perf: ARM DynamIQ Shared Unit PMU support

From: Suzuki K Poulose
Date: Tue Aug 08 2017 - 06:59:06 EST


On 08/08/17 11:57, kbuild test robot wrote:
Hi Suzuki,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.13-rc4 next-20170807]
[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/Suzuki-K-Poulose/perf-Support-for-ARM-DynamIQ-Shared-Unit-PMU/20170808-124822
config: arm64-allmodconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm64

All errors (new ones prefixed by >>):

drivers//perf/arm_dsu_pmu.c: In function 'dsu_pmu_dt_get_cpus':
drivers//perf/arm_dsu_pmu.c:685:9: error: implicit declaration of function 'of_device_node_get_cpu' [-Werror=implicit-function-declaration]
cpu = of_device_node_get_cpu(cpu_node);
^~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors

vim +/of_device_node_get_cpu +685 drivers//perf/arm_dsu_pmu.c

669
670 /**
671 * dsu_pmu_dt_get_cpus: Get the list of CPUs in the cluster.
672 */
673 static int dsu_pmu_dt_get_cpus(struct device_node *dev, cpumask_t *mask)
674 {
675 int i = 0, n, cpu;
676 struct device_node *cpu_node;
677
678 n = of_count_phandle_with_args(dev, "cpus", NULL);
679 if (n <= 0)
680 return -ENODEV;
681 for (; i < n; i++) {
682 cpu_node = of_parse_phandle(dev, "cpus", i);
683 if (!cpu_node)
684 break;
> 685 cpu = of_device_node_get_cpu(cpu_node);

I have fixed this locally, in for v5.

Suzuki