5:38 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git
irq/irqchip-next
head: a890caeb2ba40ca183969230e204ab144f258357
commit: 4e34614636b31747b190488240a95647c227021f [6/15] irqchip/sun6i-r: Use a stacked
irqchip driver
config: arm64-randconfig-s032-20210215 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-215-g0fb77bb6-dirty
#
https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/com...
git remote add arm-platforms
https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git
git fetch --no-tags arm-platforms irq/irqchip-next
git checkout 4e34614636b31747b190488240a95647c227021f
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
"sparse warnings: (new ones prefixed by >>)"
> drivers/irqchip/irq-sun6i-r.c:215:79: sparse: sparse: Using plain
integer as NULL pointer
vim +215 drivers/irqchip/irq-sun6i-r.c
184
185 static int sun6i_r_intc_domain_alloc(struct irq_domain *domain,
186 unsigned int virq,
187 unsigned int nr_irqs, void *arg)
188 {
189 struct irq_fwspec *fwspec = arg;
190 struct irq_fwspec gic_fwspec;
191 unsigned long hwirq;
192 unsigned int type;
193 int i, ret;
194
195 ret = sun6i_r_intc_domain_translate(domain, fwspec, &hwirq, &type);
196 if (ret)
197 return ret;
198 if (hwirq + nr_irqs > SUN6I_NR_MUX_BITS)
199 return -EINVAL;
200
201 /* Construct a GIC-compatible fwspec from this fwspec. */
202 gic_fwspec = (struct irq_fwspec) {
203 .fwnode = domain->parent->fwnode,
204 .param_count = 3,
205 .param = { GIC_SPI, hwirq, type },
206 };
207
208 ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, &gic_fwspec);
209 if (ret)
210 return ret;
211
212 for (i = 0; i < nr_irqs; ++i, ++hwirq, ++virq) {
213 if (hwirq == nmi_hwirq) {
214 irq_domain_set_hwirq_and_chip(domain, virq, hwirq,
215 &sun6i_r_intc_nmi_chip, 0);
216 irq_set_handler(virq, handle_fasteoi_ack_irq);
217 } else {
218 /* Only the NMI is currently supported. */
219 return -EINVAL;
220 }
221 }
222
223 return 0;
224 }
225
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org