From: kernel test robot <lkp@intel.com>
To: Aditya Srivastava <yashsri421@gmail.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Jonathan Corbet <corbet@lwn.net>,
linux-doc@vger.kernel.org
Subject: arch/mips/pci/pci-ar2315.c:6: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
Date: Mon, 22 Aug 2022 18:31:22 +0800 [thread overview]
Message-ID: <202208221854.8ASrzjKa-lkp@intel.com> (raw)
Hi Aditya,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 1c23f9e627a7b412978b4e852793c5e3c3efc555
commit: 3e58e839150db0857dfcb3a0bb3d4af4c6ac1abf scripts: kernel-doc: add warning for comment not following kernel-doc syntax
date: 1 year, 5 months ago
config: mips-randconfig-r016-20220821 (https://download.01.org/0day-ci/archive/20220822/202208221854.8ASrzjKa-lkp@intel.com/config)
compiler: mips-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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e58e839150db0857dfcb3a0bb3d4af4c6ac1abf
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 3e58e839150db0857dfcb3a0bb3d4af4c6ac1abf
# 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=mips SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> arch/mips/pci/pci-ar2315.c:6: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Both AR2315 and AR2316 chips have PCI interface unit, which supports DMA
vim +6 arch/mips/pci/pci-ar2315.c
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 @6 * Both AR2315 and AR2316 chips have PCI interface unit, which supports DMA
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 7 * and interrupt. PCI interface supports MMIO access method, but does not
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 8 * seem to support I/O ports.
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 9 *
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 10 * Read/write operation in the region 0x80000000-0xBFFFFFFF causes
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 11 * a memory read/write command on the PCI bus. 30 LSBs of address on
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 12 * the bus are taken from memory read/write request and 2 MSBs are
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 13 * determined by PCI unit configuration.
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 14 *
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 15 * To work with the configuration space instead of memory is necessary set
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 16 * the CFG_SEL bit in the PCI_MISC_CONFIG register.
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 17 *
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 18 * Devices on the bus can perform DMA requests via chip BAR1. PCI host
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 19 * controller BARs are programmend as if an external device is programmed.
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 20 * Which means that during configuration, IDSEL pin of the chip should be
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 21 * asserted.
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 22 *
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 23 * We know (and support) only one board that uses the PCI interface -
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 24 * Fonera 2.0g (FON2202). It has a USB EHCI controller connected to the
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 25 * AR2315 PCI bus. IDSEL pin of USB controller is connected to AD[13] line
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 26 * and IDSEL pin of AR2315 is connected to AD[16] line.
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 27 */
3ed7a2a702dc0f Sergey Ryazanov 2014-10-29 28
:::::: The code at line 6 was first introduced by commit
:::::: 3ed7a2a702dc0f5bc44d67f27a1a289356b5dc42 MIPS: ath25: add AR2315 PCI host controller driver
:::::: TO: Sergey Ryazanov <ryazanov.s.a@gmail.com>
:::::: CC: Ralf Baechle <ralf@linux-mips.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
next reply other threads:[~2022-08-22 10:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-22 10:31 kernel test robot [this message]
2022-08-23 3:00 ` [PATCH] mips: pci: remove extraneous asterisk from top level comment of ar2315 PCI driver Bagas Sanjaya
2022-08-23 6:28 ` Greg KH
2022-08-23 7:55 ` Bagas Sanjaya
2022-08-23 8:06 ` Sergey Ryazanov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202208221854.8ASrzjKa-lkp@intel.com \
--to=lkp@intel.com \
--cc=corbet@lwn.net \
--cc=kbuild-all@lists.01.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=yashsri421@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).