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From: kernel test robot <lkp@intel.com>
To: Frank Li <Frank.Li@nxp.com>, robh@kernel.org
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	alexandre.belloni@bootlin.com, conor.culhane@silvaco.com,
	gregkh@linuxfoundation.org, imx@lists.linux.dev,
	jirislaby@kernel.org, joe@perches.com,
	linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org,
	linux-serial@vger.kernel.org, miquel.raynal@bootlin.com,
	zbigniew.lukwinski@linux.intel.com, devicetree@vger.kernel.org,
	krzysztof.kozlowski+dt@linaro.org,
	krzysztof.kozlowski@linaro.org
Subject: Re: [PATCH v2 4/7] i3c: target: add svc target controller support
Date: Thu, 11 Jan 2024 18:01:43 +0800	[thread overview]
Message-ID: <202401111724.LiPgx2yU-lkp@intel.com> (raw)
In-Reply-To: <20240110175221.2335480-5-Frank.Li@nxp.com>

Hi Frank,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tty/tty-testing]
[also build test WARNING on tty/tty-next tty/tty-linus robh/for-next linus/master v6.7 next-20240111]
[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-add-target-mode-support/20240111-015711
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
patch link:    https://lore.kernel.org/r/20240110175221.2335480-5-Frank.Li%40nxp.com
patch subject: [PATCH v2 4/7] i3c: target: add svc target controller support
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20240111/202401111724.LiPgx2yU-lkp@intel.com/config)
compiler: clang version 18.0.0git (https://github.com/llvm/llvm-project 9bde5becb44ea071f5e1fa1f5d4071dc8788b18c)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240111/202401111724.LiPgx2yU-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/202401111724.LiPgx2yU-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:24:
   In file included from include/linux/mm.h:1084:
   In file included from include/linux/huge_mm.h:8:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:186:1: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
     186 | _SIG_SET_OP(signotset, _sig_not)
         | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/signal.h:176:10: note: expanded from macro '_SIG_SET_OP'
     176 |         case 2: set->sig[1] = op(set->sig[1]);                          \
         |                 ^        ~
   arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
      18 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from drivers/i3c/target/svc-i3c-target.c:14:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:24:
   In file included from include/linux/mm.h:1084:
   In file included from include/linux/huge_mm.h:8:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:197:10: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
     197 |         case 2: set->sig[1] = 0;
         |                 ^        ~
   arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
      18 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from drivers/i3c/target/svc-i3c-target.c:14:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:24:
   In file included from include/linux/mm.h:1084:
   In file included from include/linux/huge_mm.h:8:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:210:10: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
     210 |         case 2: set->sig[1] = -1;
         |                 ^        ~
   arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
      18 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from drivers/i3c/target/svc-i3c-target.c:14:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:24:
   In file included from include/linux/mm.h:1084:
   In file included from include/linux/huge_mm.h:8:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:241:10: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
     241 |         case 2: set->sig[1] = 0;
         |                 ^        ~
   arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
      18 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from drivers/i3c/target/svc-i3c-target.c:14:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:24:
   In file included from include/linux/mm.h:1084:
   In file included from include/linux/huge_mm.h:8:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:254:10: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
     254 |         case 2: set->sig[1] = -1;
         |                 ^        ~
   arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
      18 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   drivers/i3c/target/svc-i3c-target.c:211:40: warning: no previous prototype for function 'svc_i3c_get_features' [-Wmissing-prototypes]
     211 | const struct i3c_target_ctrl_features *svc_i3c_get_features(struct i3c_target_ctrl *ctrl)
         |                                        ^
   drivers/i3c/target/svc-i3c-target.c:211:7: note: declare 'static' if the function is not intended to be used outside of this translation unit
     211 | const struct i3c_target_ctrl_features *svc_i3c_get_features(struct i3c_target_ctrl *ctrl)
         |       ^
         | static 
>> drivers/i3c/target/svc-i3c-target.c:268:63: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions]
     268 | static int svc_i3c_target_queue(struct i3c_request *req, gfp_t)
         |                                                               ^
   drivers/i3c/target/svc-i3c-target.c:666:5: warning: no previous prototype for function 'svc_i3c_fifo_status' [-Wmissing-prototypes]
     666 | int svc_i3c_fifo_status(struct i3c_target_ctrl *ctrl, bool tx)
         |     ^
   drivers/i3c/target/svc-i3c-target.c:666:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
     666 | int svc_i3c_fifo_status(struct i3c_target_ctrl *ctrl, bool tx)
         | ^
         | static 
   52 warnings and 5 errors generated.


vim +268 drivers/i3c/target/svc-i3c-target.c

   267	
 > 268	static int svc_i3c_target_queue(struct i3c_request *req, gfp_t)
   269	{
   270		struct svc_i3c_target *svc;
   271		struct list_head *q;
   272		unsigned long flags;
   273		spinlock_t *lk;
   274	
   275		svc = dev_get_drvdata(&req->ctrl->dev);
   276		if (!svc)
   277			return -EINVAL;
   278	
   279		if (req->tx) {
   280			q = &svc->txq;
   281			lk = &svc->txq_lock;
   282		} else {
   283			q = &svc->rxq;
   284			lk = &svc->rxq_lock;
   285		}
   286	
   287		spin_lock_irqsave(lk, flags);
   288		list_add_tail(&req->list, q);
   289		spin_unlock_irqrestore(lk, flags);
   290	
   291		if (req->tx)
   292			svc_i3c_fill_txfifo(svc);
   293	
   294		if (req->tx)
   295			writel_relaxed(I3C_SINT_TXSEND, svc->regs + I3C_SINTSET);
   296		else
   297			writel_relaxed(I3C_SINT_RXPEND, svc->regs + I3C_SINTSET);
   298	
   299		return 0;
   300	}
   301	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

       reply	other threads:[~2024-01-11 10:02 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20240110175221.2335480-5-Frank.Li@nxp.com>
2024-01-11 10:01 ` kernel test robot [this message]
2024-01-11 13:49 ` [PATCH v2 4/7] i3c: target: add svc target controller support kernel test robot

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