From: kernel test robot <lkp@intel.com>
To: Frank Li <Frank.Li@nxp.com>,
miquel.raynal@bootlin.com, conor.culhane@silvaco.com,
alexandre.belloni@bootlin.com, joe@perches.com,
linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org,
imx@lists.linux.dev
Cc: oe-kbuild-all@lists.linux.dev
Subject: Re: [PATCH 1/6] i3c: master: svc: fix race condition in ibi work thread
Date: Tue, 17 Oct 2023 21:33:35 +0800 [thread overview]
Message-ID: <202310172150.4GVdV44X-lkp@intel.com> (raw)
In-Reply-To: <20231016153232.2851095-2-Frank.Li@nxp.com>
Hi Frank,
kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master]
[also build test WARNING on v6.6-rc6 next-20231017]
[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/Frank-Li/i3c-master-svc-fix-race-condition-in-ibi-work-thread/20231017-151123
base: linus/master
patch link: https://lore.kernel.org/r/20231016153232.2851095-2-Frank.Li%40nxp.com
patch subject: [PATCH 1/6] i3c: master: svc: fix race condition in ibi work thread
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20231017/202310172150.4GVdV44X-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231017/202310172150.4GVdV44X-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310172150.4GVdV44X-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/i3c/master/svc-i3c-master.c:207: warning: Function parameter or member 'lock' not described in 'svc_i3c_master'
vim +207 drivers/i3c/master/svc-i3c-master.c
1c5ee2a77b1bacd Clark Wang 2023-05-17 153
dd3c52846d5954a Miquel Raynal 2021-01-21 154 /**
dd3c52846d5954a Miquel Raynal 2021-01-21 155 * struct svc_i3c_master - Silvaco I3C Master structure
dd3c52846d5954a Miquel Raynal 2021-01-21 156 * @base: I3C master controller
dd3c52846d5954a Miquel Raynal 2021-01-21 157 * @dev: Corresponding device
dd3c52846d5954a Miquel Raynal 2021-01-21 158 * @regs: Memory mapping
5496eac6ad7428f Miquel Raynal 2023-08-17 159 * @saved_regs: Volatile values for PM operations
dd3c52846d5954a Miquel Raynal 2021-01-21 160 * @free_slots: Bit array of available slots
dd3c52846d5954a Miquel Raynal 2021-01-21 161 * @addrs: Array containing the dynamic addresses of each attached device
dd3c52846d5954a Miquel Raynal 2021-01-21 162 * @descs: Array of descriptors, one per attached device
dd3c52846d5954a Miquel Raynal 2021-01-21 163 * @hj_work: Hot-join work
dd3c52846d5954a Miquel Raynal 2021-01-21 164 * @ibi_work: IBI work
dd3c52846d5954a Miquel Raynal 2021-01-21 165 * @irq: Main interrupt
dd3c52846d5954a Miquel Raynal 2021-01-21 166 * @pclk: System clock
dd3c52846d5954a Miquel Raynal 2021-01-21 167 * @fclk: Fast clock (bus)
dd3c52846d5954a Miquel Raynal 2021-01-21 168 * @sclk: Slow clock (other events)
dd3c52846d5954a Miquel Raynal 2021-01-21 169 * @xferqueue: Transfer queue structure
dd3c52846d5954a Miquel Raynal 2021-01-21 170 * @xferqueue.list: List member
dd3c52846d5954a Miquel Raynal 2021-01-21 171 * @xferqueue.cur: Current ongoing transfer
dd3c52846d5954a Miquel Raynal 2021-01-21 172 * @xferqueue.lock: Queue lock
dd3c52846d5954a Miquel Raynal 2021-01-21 173 * @ibi: IBI structure
dd3c52846d5954a Miquel Raynal 2021-01-21 174 * @ibi.num_slots: Number of slots available in @ibi.slots
dd3c52846d5954a Miquel Raynal 2021-01-21 175 * @ibi.slots: Available IBI slots
dd3c52846d5954a Miquel Raynal 2021-01-21 176 * @ibi.tbq_slot: To be queued IBI slot
dd3c52846d5954a Miquel Raynal 2021-01-21 177 * @ibi.lock: IBI lock
dd3c52846d5954a Miquel Raynal 2021-01-21 178 */
dd3c52846d5954a Miquel Raynal 2021-01-21 179 struct svc_i3c_master {
dd3c52846d5954a Miquel Raynal 2021-01-21 180 struct i3c_master_controller base;
dd3c52846d5954a Miquel Raynal 2021-01-21 181 struct device *dev;
dd3c52846d5954a Miquel Raynal 2021-01-21 182 void __iomem *regs;
1c5ee2a77b1bacd Clark Wang 2023-05-17 183 struct svc_i3c_regs_save saved_regs;
dd3c52846d5954a Miquel Raynal 2021-01-21 184 u32 free_slots;
dd3c52846d5954a Miquel Raynal 2021-01-21 185 u8 addrs[SVC_I3C_MAX_DEVS];
dd3c52846d5954a Miquel Raynal 2021-01-21 186 struct i3c_dev_desc *descs[SVC_I3C_MAX_DEVS];
dd3c52846d5954a Miquel Raynal 2021-01-21 187 struct work_struct hj_work;
dd3c52846d5954a Miquel Raynal 2021-01-21 188 struct work_struct ibi_work;
dd3c52846d5954a Miquel Raynal 2021-01-21 189 int irq;
dd3c52846d5954a Miquel Raynal 2021-01-21 190 struct clk *pclk;
dd3c52846d5954a Miquel Raynal 2021-01-21 191 struct clk *fclk;
dd3c52846d5954a Miquel Raynal 2021-01-21 192 struct clk *sclk;
dd3c52846d5954a Miquel Raynal 2021-01-21 193 struct {
dd3c52846d5954a Miquel Raynal 2021-01-21 194 struct list_head list;
dd3c52846d5954a Miquel Raynal 2021-01-21 195 struct svc_i3c_xfer *cur;
dd3c52846d5954a Miquel Raynal 2021-01-21 196 /* Prevent races between transfers */
dd3c52846d5954a Miquel Raynal 2021-01-21 197 spinlock_t lock;
dd3c52846d5954a Miquel Raynal 2021-01-21 198 } xferqueue;
dd3c52846d5954a Miquel Raynal 2021-01-21 199 struct {
dd3c52846d5954a Miquel Raynal 2021-01-21 200 unsigned int num_slots;
dd3c52846d5954a Miquel Raynal 2021-01-21 201 struct i3c_dev_desc **slots;
dd3c52846d5954a Miquel Raynal 2021-01-21 202 struct i3c_ibi_slot *tbq_slot;
dd3c52846d5954a Miquel Raynal 2021-01-21 203 /* Prevent races within IBI handlers */
dd3c52846d5954a Miquel Raynal 2021-01-21 204 spinlock_t lock;
dd3c52846d5954a Miquel Raynal 2021-01-21 205 } ibi;
f32ae0219a47f74 Frank Li 2023-10-16 206 struct mutex lock;
dd3c52846d5954a Miquel Raynal 2021-01-21 @207 };
dd3c52846d5954a Miquel Raynal 2021-01-21 208
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
--
linux-i3c mailing list
linux-i3c@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-i3c
next prev parent reply other threads:[~2023-10-17 13:34 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-16 15:32 [PATCH 0/6] i3c: master: svc: collection of bugs fixes Frank Li
2023-10-16 15:32 ` [PATCH 1/6] i3c: master: svc: fix race condition in ibi work thread Frank Li
2023-10-17 13:33 ` kernel test robot [this message]
2023-10-17 14:16 ` Miquel Raynal
2023-10-17 14:37 ` Frank Li
2023-10-17 14:49 ` Miquel Raynal
2023-10-17 15:10 ` Frank Li
2023-10-17 15:23 ` Miquel Raynal
2023-10-16 15:32 ` [PATCH 2/6] i3c: master: svc: fix wrong data return when IBI happen during start frame Frank Li
2023-10-17 14:21 ` Miquel Raynal
2023-10-16 15:32 ` [PATCH 3/6] i3c: master: svc: fix ibi may not return mandatory data byte Frank Li
2023-10-17 14:27 ` Miquel Raynal
2023-10-17 20:55 ` Frank Li
2023-10-16 15:32 ` [PATCH 4/6] i3c: master: svc: fix check wrong status register in irq handler Frank Li
2023-10-17 14:28 ` Miquel Raynal
2023-10-16 15:32 ` [PATCH 5/6] i3c: master: svc: fix SDA keep low when polling IBIWON timeout happen Frank Li
2023-10-17 14:29 ` Miquel Raynal
2023-10-16 15:32 ` [PATCH 6/6] i3c: master: svc: fix random hot join failure since timeout error Frank Li
2023-10-17 14:33 ` Miquel Raynal
2023-10-17 14:45 ` Frank Li
2023-10-17 15:06 ` Miquel Raynal
2023-10-17 15:25 ` Frank Li
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=202310172150.4GVdV44X-lkp@intel.com \
--to=lkp@intel.com \
--cc=Frank.Li@nxp.com \
--cc=alexandre.belloni@bootlin.com \
--cc=conor.culhane@silvaco.com \
--cc=imx@lists.linux.dev \
--cc=joe@perches.com \
--cc=linux-i3c@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=miquel.raynal@bootlin.com \
--cc=oe-kbuild-all@lists.linux.dev \
/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