All of lore.kernel.org
 help / color / mirror / Atom feed
From: kernel test robot <lkp@intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
	linux-kernel@vger.kernel.org,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	linux-media@vger.kernel.org,
	Sakari Ailus <sakari.ailus@linux.intel.com>
Subject: drivers/media/pci/intel/ipu3/ipu3-cio2.c:163:56: warning: implicit conversion from 'unsigned long' to 'u16' (aka 'unsigned short') changes value from 131072 to 0
Date: Tue, 5 Jan 2021 07:16:37 +0800	[thread overview]
Message-ID: <202101050732.JTRq3iK6-lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 2589 bytes --]

Hi Andy,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62
commit: 7b285f41f7376dc37e7fad1e803995fd39f42848 media: ipu3-cio2: Introduce CIO2_LOP_ENTRIES constant
date:   4 months ago
config: arm64-randconfig-r005-20210105 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 98cd1c33e3c2c3cfee36fb0fea3285fda06224d3)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7b285f41f7376dc37e7fad1e803995fd39f42848
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 7b285f41f7376dc37e7fad1e803995fd39f42848
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

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

All warnings (new ones prefixed by >>):

>> drivers/media/pci/intel/ipu3/ipu3-cio2.c:163:56: warning: implicit conversion from 'unsigned long' to 'u16' (aka 'unsigned short') changes value from 131072 to 0 [-Wconstant-conversion]
           entry[1].second_entry.num_of_pages = CIO2_LOP_ENTRIES * CIO2_MAX_LOPS;
                                              ~ ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
   1 warning generated.


vim +163 drivers/media/pci/intel/ipu3/ipu3-cio2.c

   154	
   155	/* Initialize fpbt entries to point to dummy frame */
   156	static void cio2_fbpt_entry_init_dummy(struct cio2_device *cio2,
   157					       struct cio2_fbpt_entry
   158					       entry[CIO2_MAX_LOPS])
   159	{
   160		unsigned int i;
   161	
   162		entry[0].first_entry.first_page_offset = 0;
 > 163		entry[1].second_entry.num_of_pages = CIO2_LOP_ENTRIES * CIO2_MAX_LOPS;
   164		entry[1].second_entry.last_page_available_bytes = CIO2_PAGE_SIZE - 1;
   165	
   166		for (i = 0; i < CIO2_MAX_LOPS; i++)
   167			entry[i].lop_page_addr = cio2->dummy_lop_bus_addr >> PAGE_SHIFT;
   168	
   169		cio2_fbpt_entry_enable(cio2, entry);
   170	}
   171	

---
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: 40965 bytes --]

WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: drivers/media/pci/intel/ipu3/ipu3-cio2.c:163:56: warning: implicit conversion from 'unsigned long' to 'u16' (aka 'unsigned short') changes value from 131072 to 0
Date: Tue, 05 Jan 2021 07:16:37 +0800	[thread overview]
Message-ID: <202101050732.JTRq3iK6-lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 2648 bytes --]

Hi Andy,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62
commit: 7b285f41f7376dc37e7fad1e803995fd39f42848 media: ipu3-cio2: Introduce CIO2_LOP_ENTRIES constant
date:   4 months ago
config: arm64-randconfig-r005-20210105 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 98cd1c33e3c2c3cfee36fb0fea3285fda06224d3)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7b285f41f7376dc37e7fad1e803995fd39f42848
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 7b285f41f7376dc37e7fad1e803995fd39f42848
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

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

All warnings (new ones prefixed by >>):

>> drivers/media/pci/intel/ipu3/ipu3-cio2.c:163:56: warning: implicit conversion from 'unsigned long' to 'u16' (aka 'unsigned short') changes value from 131072 to 0 [-Wconstant-conversion]
           entry[1].second_entry.num_of_pages = CIO2_LOP_ENTRIES * CIO2_MAX_LOPS;
                                              ~ ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
   1 warning generated.


vim +163 drivers/media/pci/intel/ipu3/ipu3-cio2.c

   154	
   155	/* Initialize fpbt entries to point to dummy frame */
   156	static void cio2_fbpt_entry_init_dummy(struct cio2_device *cio2,
   157					       struct cio2_fbpt_entry
   158					       entry[CIO2_MAX_LOPS])
   159	{
   160		unsigned int i;
   161	
   162		entry[0].first_entry.first_page_offset = 0;
 > 163		entry[1].second_entry.num_of_pages = CIO2_LOP_ENTRIES * CIO2_MAX_LOPS;
   164		entry[1].second_entry.last_page_available_bytes = CIO2_PAGE_SIZE - 1;
   165	
   166		for (i = 0; i < CIO2_MAX_LOPS; i++)
   167			entry[i].lop_page_addr = cio2->dummy_lop_bus_addr >> PAGE_SHIFT;
   168	
   169		cio2_fbpt_entry_enable(cio2, entry);
   170	}
   171	

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

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 40965 bytes --]

             reply	other threads:[~2021-01-04 23:18 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-04 23:16 kernel test robot [this message]
2021-01-04 23:16 ` drivers/media/pci/intel/ipu3/ipu3-cio2.c:163:56: warning: implicit conversion from 'unsigned long' to 'u16' (aka 'unsigned short') changes value from 131072 to 0 kernel test robot
2021-01-04 23:24 ` Sakari Ailus
2021-01-04 23:24   ` Sakari Ailus
  -- strict thread matches above, loose matches on Subject: below --
2020-11-21  8:23 kernel test robot
2020-11-21  8:23 ` kernel test robot
2020-11-23 10:40 ` Andy Shevchenko
2020-11-23 10:40   ` Andy Shevchenko
2020-12-11 16:56   ` Sakari Ailus
2020-12-11 16:56     ` Sakari Ailus
2020-12-14 15:29     ` Andy Shevchenko
2020-12-14 15:29       ` Andy Shevchenko

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=202101050732.JTRq3iK6-lkp@intel.com \
    --to=lkp@intel.com \
    --cc=andriy.shevchenko@linux.intel.com \
    --cc=clang-built-linux@googlegroups.com \
    --cc=kbuild-all@lists.01.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-media@vger.kernel.org \
    --cc=mchehab@kernel.org \
    --cc=sakari.ailus@linux.intel.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.