From: kernel test robot <lkp@intel.com>
To: Hyun Kwon <hyun.kwon@xilinx.com>
Cc: kbuild-all@lists.01.org, linux-arm-kernel@lists.infradead.org,
Michal Simek <monstr@monstr.eu>,
Wendy Liang <wendy.liang@xilinx.com>
Subject: [xlnx:master 11884/12154] drivers/uio/uio_xilinx_ai_engine.c:39:6: warning: variable 'irq' set but not used
Date: Thu, 22 Apr 2021 18:55:20 +0800 [thread overview]
Message-ID: <202104221814.fACaMPao-lkp@intel.com> (raw)
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tree: https://github.com/Xilinx/linux-xlnx master
head: bcd80b4c331c5d55de978ab0b2f6181a8aea3434
commit: 15d16835418c3d35e07f215d2934dcf9e6725cc6 [11884/12154] uio: Add the UIO driver for AI engine
config: um-allmodconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/Xilinx/linux-xlnx/commit/15d16835418c3d35e07f215d2934dcf9e6725cc6
git remote add xlnx https://github.com/Xilinx/linux-xlnx
git fetch --no-tags xlnx master
git checkout 15d16835418c3d35e07f215d2934dcf9e6725cc6
# save the attached .config to linux build tree
make W=1 W=1 ARCH=um
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
cc1: warning: arch/um/include/uapi: No such file or directory [-Wmissing-include-dirs]
drivers/uio/uio_xilinx_ai_engine.c: In function 'xilinx_ai_engine_debugfs_write':
>> drivers/uio/uio_xilinx_ai_engine.c:39:6: warning: variable 'irq' set but not used [-Wunused-but-set-variable]
39 | int irq, ret;
| ^~~
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for MFD_CORE
Depends on HAS_IOMEM
Selected by
- MFD_HI6421_SPMI && STAGING && OF && SPMI
WARNING: unmet direct dependencies detected for UIO_DMEM_GENIRQ
Depends on UIO && HAS_DMA
Selected by
- UIO_XILINX_AI_ENGINE && UIO
vim +/irq +39 drivers/uio/uio_xilinx_ai_engine.c
33
34 static ssize_t xilinx_ai_engine_debugfs_write(struct file *f,
35 const char __user *buf,
36 size_t size, loff_t *pos)
37 {
38 struct irq_domain *irq_sim_domain = file_inode(f)->i_private;
> 39 int irq, ret;
40
41 irq = irq_find_mapping(irq_sim_domain, 1);
42 ret = irq_set_irqchip_state(1, IRQCHIP_STATE_PENDING, true);
43 if (ret)
44 return ret;
45
46 return size;
47 }
48
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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