linux-kernel - Re: [PATCH 2/2] i3c: master: Add driver for Analog Devices I3C Controller IP

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Message-ID: <202506051224.6jLJ0AOh-lkp@intel.com>
Date: Thu, 5 Jun 2025 13:12:06 +0800
From: kernel test robot <lkp@...el.com>
To: Jorge Marques <jorge.marques@...log.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Frank Li <Frank.Li@....com>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-i3c@...ts.infradead.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jorge Marques <jorge.marques@...log.com>
Subject: Re: [PATCH 2/2] i3c: master: Add driver for Analog Devices I3C
 Controller IP

Hi Jorge,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 00286d7d643d3c98e48d9cc3a9f471b37154f462]

url:    https://github.com/intel-lab-lkp/linux/commits/Jorge-Marques/dt-bindings-i3c-Add-adi-i3c-master/20250604-235108
base:   00286d7d643d3c98e48d9cc3a9f471b37154f462
patch link:    https://lore.kernel.org/r/20250604-adi-i3c-master-v1-2-0488e80dafcb%40analog.com
patch subject: [PATCH 2/2] i3c: master: Add driver for Analog Devices I3C Controller IP
config: alpha-randconfig-r111-20250605 (https://download.01.org/0day-ci/archive/20250605/202506051224.6jLJ0AOh-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 10.5.0
reproduce: (https://download.01.org/0day-ci/archive/20250605/202506051224.6jLJ0AOh-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506051224.6jLJ0AOh-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/i3c/master/adi-i3c-master.c:768:28: sparse: sparse: dubious: x | !y

vim +768 drivers/i3c/master/adi-i3c-master.c

   759	
   760	static void adi_i3c_master_handle_da_req(struct adi_i3c_master *master)
   761	{
   762		u8 payload0[8];
   763		u32 addr;
   764	
   765		/* Clear device characteristics */
   766		adi_i3c_master_rd_from_rx_fifo(master, payload0, 6);
   767		addr = master->daa.addrs[master->daa.index++];
 > 768		addr = (addr << 1) | !parity8(addr);
   769	
   770		writel(addr, master->regs + REG_SDO_FIFO);
   771	}
   772	

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