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Date: Fri, 11 Nov 2022 21:30:38 +0800
From: kernel test robot <lkp@...el.com>
To: Junhao He <hejunhao3@...wei.com>, mathieu.poirier@...aro.org,
suzuki.poulose@....com, mike.leach@...aro.org, leo.yan@...aro.org,
jonathan.cameron@...wei.com, john.garry@...wei.com
Cc: oe-kbuild-all@...ts.linux.dev, coresight@...ts.linaro.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
lpieralisi@...nel.org, linuxarm@...wei.com, liuqi115@...wei.com,
f.fangjian@...wei.com, prime.zeng@...ilicon.com,
hejunhao3@...wei.com
Subject: Re: [PATCH v12 1/2] drivers/coresight: Add UltraSoc System Memory
Buffer driver
Hi Junhao,
I love your patch! Perhaps something to improve:
[auto build test WARNING on soc/for-next]
[also build test WARNING on linus/master v6.1-rc4 next-20221111]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Junhao-He/Add-support-for-UltraSoc-System-Memory-Buffer/20221109-215158
base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next
patch link: https://lore.kernel.org/r/20221109135008.9485-2-hejunhao3%40huawei.com
patch subject: [PATCH v12 1/2] drivers/coresight: Add UltraSoc System Memory Buffer driver
config: arm64-randconfig-r023-20221111
compiler: aarch64-linux-gcc (GCC) 12.1.0
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
# https://github.com/intel-lab-lkp/linux/commit/49ede03fd874b65deca5382ea84c3377188136da
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Junhao-He/Add-support-for-UltraSoc-System-Memory-Buffer/20221109-215158
git checkout 49ede03fd874b65deca5382ea84c3377188136da
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/hwtracing/coresight/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
drivers/hwtracing/coresight/ultrasoc-smb.c: In function 'smb_config_inport':
>> drivers/hwtracing/coresight/ultrasoc-smb.c:553:31: warning: suggest braces around empty body in an 'else' statement [-Wempty-body]
553 | ACPI_FREE(obj);
| ^
drivers/hwtracing/coresight/ultrasoc-smb.c: At top level:
drivers/hwtracing/coresight/ultrasoc-smb.c:615:36: warning: 'ultrasoc_smb_acpi_match' defined but not used [-Wunused-const-variable=]
615 | static const struct acpi_device_id ultrasoc_smb_acpi_match[] = {
| ^~~~~~~~~~~~~~~~~~~~~~~
vim +/else +553 drivers/hwtracing/coresight/ultrasoc-smb.c
532
533 static int smb_config_inport(struct device *dev, bool enable)
534 {
535 u64 func = enable ? 1 : 0;
536 union acpi_object *obj;
537 guid_t guid;
538 u64 rev = 0;
539
540 /*
541 * Using DSM calls to enable/disable ultrasoc hardwares on
542 * tracing path, to prevent ultrasoc packet format being exposed.
543 */
544 if (guid_parse(ULTRASOC_SMB_DSM_UUID, &guid)) {
545 dev_err(dev, "Get GUID failed\n");
546 return -EINVAL;
547 }
548
549 obj = acpi_evaluate_dsm(ACPI_HANDLE(dev), &guid, rev, func, NULL);
550 if (!obj)
551 dev_err(dev, "ACPI handle failed\n");
552 else
> 553 ACPI_FREE(obj);
554
555 return 0;
556 }
557
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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