linux-kernel - Re: [net-next,v3,1/1] net: stmmac: Batch set RX OWN flag and other flags

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Message-ID: <202408310604.E3C4zDID-lkp@intel.com>
Date: Sat, 31 Aug 2024 07:19:50 +0800
From: kernel test robot <lkp@...el.com>
To: ende.tan@...rfivetech.com, netdev@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, andrew@...n.ch,
	alexandre.torgue@...s.st.com, joabreu@...opsys.com,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, mcoquelin.stm32@...il.com,
	linux-kernel@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org, leyfoon.tan@...rfivetech.com,
	minda.chen@...rfivetech.com, endeneer@...il.com,
	Tan En De <ende.tan@...rfivetech.com>
Subject: Re: [net-next,v3,1/1] net: stmmac: Batch set RX OWN flag and other
 flags

Hi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on horms-ipvs/master v6.11-rc5 next-20240830]
[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/ende-tan-starfivetech-com/net-stmmac-Batch-set-RX-OWN-flag-and-other-flags/20240829-214324
base:   linus/master
patch link:    https://lore.kernel.org/r/20240829134043.323855-1-ende.tan%40starfivetech.com
patch subject: [net-next,v3,1/1] net: stmmac: Batch set RX OWN flag and other flags
config: x86_64-randconfig-r132-20240830 (https://download.01.org/0day-ci/archive/20240831/202408310604.E3C4zDID-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240831/202408310604.E3C4zDID-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/202408310604.E3C4zDID-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c:59:21: sparse: sparse: incorrect type in initializer (different base types) @@     expected unsigned int [usertype] flags @@     got restricted __le32 [usertype] @@
   drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c:59:21: sparse:     expected unsigned int [usertype] flags
   drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c:59:21: sparse:     got restricted __le32 [usertype]
>> drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c:62:24: sparse: sparse: invalid assignment: |=
   drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c:62:24: sparse:    left side has type unsigned int
   drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c:62:24: sparse:    right side has type restricted __le32
   drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c:64:17: sparse: sparse: invalid assignment: |=
   drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c:64:17: sparse:    left side has type restricted __le32
   drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c:64:17: sparse:    right side has type unsigned int
   drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c:110:23: sparse: sparse: restricted __le32 degrades to integer
   drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c:110:50: sparse: sparse: restricted __le32 degrades to integer
--
>> drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c:189:21: sparse: sparse: incorrect type in initializer (different base types) @@     expected unsigned int [usertype] flags @@     got restricted __le32 [usertype] @@
   drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c:189:21: sparse:     expected unsigned int [usertype] flags
   drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c:189:21: sparse:     got restricted __le32 [usertype]
>> drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c:192:23: sparse: sparse: invalid assignment: |=
   drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c:192:23: sparse:    left side has type unsigned int
   drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c:192:23: sparse:    right side has type restricted __le32
   drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c:194:17: sparse: sparse: invalid assignment: |=
   drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c:194:17: sparse:    left side has type restricted __le32
   drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c:194:17: sparse:    right side has type unsigned int

vim +59 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c

    56	
    57	static void dwxgmac2_set_rx_owner(struct dma_desc *p, int disable_rx_ic)
    58	{
  > 59		u32 flags = cpu_to_le32(XGMAC_RDES3_OWN);
    60	
    61		if (!disable_rx_ic)
  > 62			 flags |= cpu_to_le32(XGMAC_RDES3_IOC);
    63	
    64		p->des3 |= flags;
    65	}
    66	

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