Hi Deepak, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.8-rc2 next-20200624] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Deepak-Kumar-Singh/rpmsg-core-Add-signal-API-support/20200625-024527 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3e08a95294a4fb3702bb3d35ed08028433c37fe6 config: riscv-randconfig-s031-20200624 (attached as .config) compiler: riscv32-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-dirty # save the attached .config to linux build tree make W=1 C=1 ARCH=riscv CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/rpmsg/rpmsg_char.c:288:22: sparse: sparse: invalid assignment: |= >> drivers/rpmsg/rpmsg_char.c:288:22: sparse: left side has type restricted __poll_t >> drivers/rpmsg/rpmsg_char.c:288:22: sparse: right side has type int vim +288 drivers/rpmsg/rpmsg_char.c 273 274 static __poll_t rpmsg_eptdev_poll(struct file *filp, poll_table *wait) 275 { 276 struct rpmsg_eptdev *eptdev = filp->private_data; 277 __poll_t mask = 0; 278 279 if (!eptdev->ept) 280 return EPOLLERR; 281 282 poll_wait(filp, &eptdev->readq, wait); 283 284 if (!skb_queue_empty(&eptdev->queue)) 285 mask |= EPOLLIN | EPOLLRDNORM; 286 287 if (eptdev->sig_pending) > 288 mask |= POLLPRI; 289 290 mask |= rpmsg_poll(eptdev->ept, filp, wait); 291 292 return mask; 293 } 294 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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