linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: kernel test robot <lkp@intel.com>
To: Greg Ungerer <gerg@linux-m68k.org>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
	Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Subject: drivers/spi/spi-orion.c:413:17: sparse: sparse: incorrect type in assignment (different base types)
Date: Wed, 27 Jan 2021 17:19:31 +0800	[thread overview]
Message-ID: <202101271722.XJJ8jwts-lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 6261 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   2ab38c17aac10bf55ab3efde4c4db3893d8691d2
commit: 005b73d0dd83c9cb9420a196bea8070cde30ecac m68knommu: __force type casts for raw IO access
date:   6 months ago
config: m68k-randconfig-s031-20210127 (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-212-g56dbccf5-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=005b73d0dd83c9cb9420a196bea8070cde30ecac
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 005b73d0dd83c9cb9420a196bea8070cde30ecac
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=m68k 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


"sparse warnings: (new ones prefixed by >>)"
>> drivers/spi/spi-orion.c:413:17: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int volatile [usertype] @@     got restricted __le16 [usertype] @@
   drivers/spi/spi-orion.c:413:17: sparse:     expected unsigned int volatile [usertype]
   drivers/spi/spi-orion.c:413:17: sparse:     got restricted __le16 [usertype]
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16
   drivers/spi/spi-orion.c:423:17: sparse: sparse: cast to restricted __le16

vim +413 drivers/spi/spi-orion.c

60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  396  
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  397  static inline int
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  398  orion_spi_write_read_16bit(struct spi_device *spi,
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  399  			   const u16 **tx_buf, u16 **rx_buf)
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  400  {
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  401  	void __iomem *tx_reg, *rx_reg, *int_reg;
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  402  	struct orion_spi *orion_spi;
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  403  
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  404  	orion_spi = spi_master_get_devdata(spi->master);
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  405  	tx_reg = spi_reg(orion_spi, ORION_SPI_DATA_OUT_REG);
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  406  	rx_reg = spi_reg(orion_spi, ORION_SPI_DATA_IN_REG);
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  407  	int_reg = spi_reg(orion_spi, ORION_SPI_INT_CAUSE_REG);
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  408  
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  409  	/* clear the interrupt cause register */
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  410  	writel(0x0, int_reg);
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  411  
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  412  	if (tx_buf && *tx_buf)
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05 @413  		writel(__cpu_to_le16(get_unaligned((*tx_buf)++)), tx_reg);
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  414  	else
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  415  		writel(0, tx_reg);
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  416  
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  417  	if (orion_spi_wait_till_ready(orion_spi) < 0) {
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  418  		dev_err(&spi->dev, "TXS timed out\n");
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  419  		return -1;
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  420  	}
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  421  
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  422  	if (rx_buf && *rx_buf)
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  423  		put_unaligned(__le16_to_cpu(readl(rx_reg)), (*rx_buf)++);
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  424  
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  425  	return 1;
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  426  }
60cadec9da7b6c drivers/spi/orion_spi.c Shadi Ammouri 2008-08-05  427  

:::::: The code at line 413 was first introduced by commit
:::::: 60cadec9da7b6c91aca51f408c828f7e74a68379 spi: new orion_spi driver

:::::: TO: Shadi Ammouri <shadi@marvell.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 35159 bytes --]

             reply	other threads:[~2021-01-27  9:23 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-27  9:19 kernel test robot [this message]
  -- strict thread matches above, loose matches on Subject: below --
2021-07-23 22:10 drivers/spi/spi-orion.c:413:17: sparse: sparse: incorrect type in assignment (different base types) kernel test robot
2021-07-19  1:59 kernel test robot
2020-08-24 22:08 kernel test robot

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=202101271722.XJJ8jwts-lkp@intel.com \
    --to=lkp@intel.com \
    --cc=gerg@linux-m68k.org \
    --cc=kbuild-all@lists.01.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=luc.vanoostenryck@gmail.com \
    /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;
as well as URLs for NNTP newsgroup(s).