linux-kernel - Re: [PATCH net-next 6/6] net: macb: Add MACB_CAPS_QBV capability flag for IEEE 802.1Qbv support

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Message-ID: <202507240825.lVN6sSiB-lkp@intel.com>
Date: Thu, 24 Jul 2025 08:46:55 +0800
From: kernel test robot <lkp@...el.com>
To: Vineeth Karumanchi <vineeth.karumanchi@....com>,
	nicolas.ferre@...rochip.com, claudiu.beznea@...on.dev,
	andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com
Cc: oe-kbuild-all@...ts.linux.dev, git@....com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, vineeth.karumanchi@....com
Subject: Re: [PATCH net-next 6/6] net: macb: Add MACB_CAPS_QBV capability
 flag for IEEE 802.1Qbv support

Hi Vineeth,

kernel test robot noticed the following build warnings:

[auto build test WARNING on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Vineeth-Karumanchi/net-macb-Define-ENST-hardware-registers-for-time-aware-scheduling/20250722-234618
base:   net-next/main
patch link:    https://lore.kernel.org/r/20250722154111.1871292-7-vineeth.karumanchi%40amd.com
patch subject: [PATCH net-next 6/6] net: macb: Add MACB_CAPS_QBV capability flag for IEEE 802.1Qbv support
config: parisc-randconfig-r131-20250724 (https://download.01.org/0day-ci/archive/20250724/202507240825.lVN6sSiB-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 14.3.0
reproduce: (https://download.01.org/0day-ci/archive/20250724/202507240825.lVN6sSiB-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/202507240825.lVN6sSiB-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/net/ethernet/cadence/macb_main.c:282:16: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] bottom @@     got restricted __le32 [usertype] @@
   drivers/net/ethernet/cadence/macb_main.c:282:16: sparse:     expected unsigned int [usertype] bottom
   drivers/net/ethernet/cadence/macb_main.c:282:16: sparse:     got restricted __le32 [usertype]
   drivers/net/ethernet/cadence/macb_main.c:284:13: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned short [usertype] top @@     got restricted __le16 [usertype] @@
   drivers/net/ethernet/cadence/macb_main.c:284:13: sparse:     expected unsigned short [usertype] top
   drivers/net/ethernet/cadence/macb_main.c:284:13: sparse:     got restricted __le16 [usertype]
   drivers/net/ethernet/cadence/macb_main.c:3645:39: sparse: sparse: restricted __be32 degrades to integer
   drivers/net/ethernet/cadence/macb_main.c:3650:39: sparse: sparse: restricted __be32 degrades to integer
   drivers/net/ethernet/cadence/macb_main.c:3655:40: sparse: sparse: restricted __be16 degrades to integer
   drivers/net/ethernet/cadence/macb_main.c:3655:69: sparse: sparse: restricted __be16 degrades to integer
   drivers/net/ethernet/cadence/macb_main.c:3680:20: sparse: sparse: restricted __be32 degrades to integer
   drivers/net/ethernet/cadence/macb_main.c:3684:20: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [assigned] [usertype] w0 @@     got restricted __be32 [usertype] ip4src @@
   drivers/net/ethernet/cadence/macb_main.c:3684:20: sparse:     expected unsigned int [assigned] [usertype] w0
   drivers/net/ethernet/cadence/macb_main.c:3684:20: sparse:     got restricted __be32 [usertype] ip4src
   drivers/net/ethernet/cadence/macb_main.c:3694:20: sparse: sparse: restricted __be32 degrades to integer
   drivers/net/ethernet/cadence/macb_main.c:3698:20: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [assigned] [usertype] w0 @@     got restricted __be32 [usertype] ip4dst @@
   drivers/net/ethernet/cadence/macb_main.c:3698:20: sparse:     expected unsigned int [assigned] [usertype] w0
   drivers/net/ethernet/cadence/macb_main.c:3698:20: sparse:     got restricted __be32 [usertype] ip4dst
   drivers/net/ethernet/cadence/macb_main.c:3708:21: sparse: sparse: restricted __be16 degrades to integer
   drivers/net/ethernet/cadence/macb_main.c:3708:50: sparse: sparse: restricted __be16 degrades to integer
   drivers/net/ethernet/cadence/macb_main.c:3714:30: sparse: sparse: restricted __be16 degrades to integer
   drivers/net/ethernet/cadence/macb_main.c:3715:30: sparse: sparse: restricted __be16 degrades to integer
   drivers/net/ethernet/cadence/macb_main.c:3722:36: sparse: sparse: restricted __be16 degrades to integer
   drivers/net/ethernet/cadence/macb_main.c:3723:38: sparse: sparse: restricted __be16 degrades to integer
   drivers/net/ethernet/cadence/macb_main.c:3726:38: sparse: sparse: restricted __be16 degrades to integer
   drivers/net/ethernet/cadence/macb_main.c:3762:9: sparse: sparse: cast from restricted __be32
   drivers/net/ethernet/cadence/macb_main.c:3762:9: sparse: sparse: cast from restricted __be32
   drivers/net/ethernet/cadence/macb_main.c:3816:25: sparse: sparse: cast from restricted __be32
   drivers/net/ethernet/cadence/macb_main.c:3816:25: sparse: sparse: cast from restricted __be32
>> drivers/net/ethernet/cadence/macb_main.c:5352:42: sparse: sparse: Initializer entry defined twice
   drivers/net/ethernet/cadence/macb_main.c:5353:10: sparse:   also defined here

vim +5352 drivers/net/ethernet/cadence/macb_main.c

  5348	
  5349	static const struct macb_config versal_config = {
  5350		.caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_JUMBO |
  5351			MACB_CAPS_GEM_HAS_PTP | MACB_CAPS_BD_RD_PREFETCH | MACB_CAPS_NEED_TSUCLK |
> 5352			MACB_CAPS_QUEUE_DISABLE, MACB_CAPS_QBV,
  5353		.dma_burst_length = 16,
  5354		.clk_init = macb_clk_init,
  5355		.init = init_reset_optional,
  5356		.jumbo_max_len = 10240,
  5357		.usrio = &macb_default_usrio,
  5358	};
  5359	

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