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Message-ID: <202011241920.ygGHVBJg-lkp@intel.com>
Date:   Tue, 24 Nov 2020 19:41:13 +0800
From:   kernel test robot <lkp@...el.com>
To:     Alexandru Ardelean <alexandru.ardelean@...log.com>,
        linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, broonie@...nel.org, robh+dt@...nel.org,
        andy.shevchenko@...il.com, dragos.bogdan@...log.com,
        Alexandru Ardelean <alexandru.ardelean@...log.com>
Subject: Re: [PATCH v2 1/3] spi: convert to BIT() all spi_device flags

Hi Alexandru,

I love your patch! Perhaps something to improve:

[auto build test WARNING on spi/for-next]
[also build test WARNING on next-20201123]
[cannot apply to v5.10-rc5]
[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]

url:    https://github.com/0day-ci/linux/commits/Alexandru-Ardelean/spi-convert-to-BIT-all-spi_device-flags/20201124-181801
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
config: i386-randconfig-a016-20201124 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/1d45734a72568cc2118c14f912affda571a5f9dc
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Alexandru-Ardelean/spi-convert-to-BIT-all-spi_device-flags/20201124-181801
        git checkout 1d45734a72568cc2118c14f912affda571a5f9dc
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

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

All warnings (new ones prefixed by >>):

   In file included from include/linux/device.h:15,
                    from include/linux/dmaengine.h:8,
                    from drivers/spi/spi-stm32.c:11:
   drivers/spi/spi-stm32.c: In function 'stm32_spi_prepare_msg':
>> drivers/spi/spi-stm32.c:1030:20: warning: format '%d' expects argument of type 'int', but argument 4 has type 'long unsigned int' [-Wformat=]
    1030 |  dev_dbg(spi->dev, "cpol=%d cpha=%d lsb_first=%d cs_high=%d\n",
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
      19 | #define dev_fmt(fmt) fmt
         |                      ^~~
   drivers/spi/spi-stm32.c:1030:2: note: in expansion of macro 'dev_dbg'
    1030 |  dev_dbg(spi->dev, "cpol=%d cpha=%d lsb_first=%d cs_high=%d\n",
         |  ^~~~~~~
   drivers/spi/spi-stm32.c:1030:27: note: format string is defined here
    1030 |  dev_dbg(spi->dev, "cpol=%d cpha=%d lsb_first=%d cs_high=%d\n",
         |                          ~^
         |                           |
         |                           int
         |                          %ld
   In file included from include/linux/device.h:15,
                    from include/linux/dmaengine.h:8,
                    from drivers/spi/spi-stm32.c:11:
   drivers/spi/spi-stm32.c:1030:20: warning: format '%d' expects argument of type 'int', but argument 5 has type 'long unsigned int' [-Wformat=]
    1030 |  dev_dbg(spi->dev, "cpol=%d cpha=%d lsb_first=%d cs_high=%d\n",
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
      19 | #define dev_fmt(fmt) fmt
         |                      ^~~
   drivers/spi/spi-stm32.c:1030:2: note: in expansion of macro 'dev_dbg'
    1030 |  dev_dbg(spi->dev, "cpol=%d cpha=%d lsb_first=%d cs_high=%d\n",
         |  ^~~~~~~
   drivers/spi/spi-stm32.c:1030:35: note: format string is defined here
    1030 |  dev_dbg(spi->dev, "cpol=%d cpha=%d lsb_first=%d cs_high=%d\n",
         |                                  ~^
         |                                   |
         |                                   int
         |                                  %ld
   In file included from include/linux/device.h:15,
                    from include/linux/dmaengine.h:8,
                    from drivers/spi/spi-stm32.c:11:
   drivers/spi/spi-stm32.c:1030:20: warning: format '%d' expects argument of type 'int', but argument 6 has type 'long unsigned int' [-Wformat=]
    1030 |  dev_dbg(spi->dev, "cpol=%d cpha=%d lsb_first=%d cs_high=%d\n",
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
      19 | #define dev_fmt(fmt) fmt
         |                      ^~~
   drivers/spi/spi-stm32.c:1030:2: note: in expansion of macro 'dev_dbg'
    1030 |  dev_dbg(spi->dev, "cpol=%d cpha=%d lsb_first=%d cs_high=%d\n",
         |  ^~~~~~~
   drivers/spi/spi-stm32.c:1030:48: note: format string is defined here
    1030 |  dev_dbg(spi->dev, "cpol=%d cpha=%d lsb_first=%d cs_high=%d\n",
         |                                               ~^
         |                                                |
         |                                                int
         |                                               %ld
   In file included from include/linux/device.h:15,
                    from include/linux/dmaengine.h:8,
                    from drivers/spi/spi-stm32.c:11:
   drivers/spi/spi-stm32.c:1030:20: warning: format '%d' expects argument of type 'int', but argument 7 has type 'long unsigned int' [-Wformat=]
    1030 |  dev_dbg(spi->dev, "cpol=%d cpha=%d lsb_first=%d cs_high=%d\n",
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
      19 | #define dev_fmt(fmt) fmt
         |                      ^~~
   drivers/spi/spi-stm32.c:1030:2: note: in expansion of macro 'dev_dbg'
    1030 |  dev_dbg(spi->dev, "cpol=%d cpha=%d lsb_first=%d cs_high=%d\n",
         |  ^~~~~~~
   drivers/spi/spi-stm32.c:1030:59: note: format string is defined here
    1030 |  dev_dbg(spi->dev, "cpol=%d cpha=%d lsb_first=%d cs_high=%d\n",
         |                                                          ~^
         |                                                           |
         |                                                           int
         |                                                          %ld

vim +1030 drivers/spi/spi-stm32.c

dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21   995  
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21   996  /**
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21   997   * stm32_spi_prepare_msg - set up the controller to transfer a single message
1c52be8bed83e1a Alain Volmat    2020-03-20   998   * @master: controller master interface
1c52be8bed83e1a Alain Volmat    2020-03-20   999   * @msg: pointer to spi message
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1000   */
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1001  static int stm32_spi_prepare_msg(struct spi_master *master,
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1002  				 struct spi_message *msg)
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1003  {
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1004  	struct stm32_spi *spi = spi_master_get_devdata(master);
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1005  	struct spi_device *spi_dev = msg->spi;
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1006  	struct device_node *np = spi_dev->dev.of_node;
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1007  	unsigned long flags;
55166853b2f56ce Cezary Gapinski 2018-12-24  1008  	u32 clrb = 0, setb = 0;
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1009  
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1010  	/* SPI slave device may need time between data frames */
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1011  	spi->cur_midi = 0;
042c1c60df7b854 Amelie Delaunay 2017-06-27  1012  	if (np && !of_property_read_u32(np, "st,spi-midi-ns", &spi->cur_midi))
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1013  		dev_dbg(spi->dev, "%dns inter-data idleness\n", spi->cur_midi);
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1014  
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1015  	if (spi_dev->mode & SPI_CPOL)
55166853b2f56ce Cezary Gapinski 2018-12-24  1016  		setb |= spi->cfg->regs->cpol.mask;
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1017  	else
55166853b2f56ce Cezary Gapinski 2018-12-24  1018  		clrb |= spi->cfg->regs->cpol.mask;
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1019  
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1020  	if (spi_dev->mode & SPI_CPHA)
55166853b2f56ce Cezary Gapinski 2018-12-24  1021  		setb |= spi->cfg->regs->cpha.mask;
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1022  	else
55166853b2f56ce Cezary Gapinski 2018-12-24  1023  		clrb |= spi->cfg->regs->cpha.mask;
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1024  
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1025  	if (spi_dev->mode & SPI_LSB_FIRST)
55166853b2f56ce Cezary Gapinski 2018-12-24  1026  		setb |= spi->cfg->regs->lsb_first.mask;
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1027  	else
55166853b2f56ce Cezary Gapinski 2018-12-24  1028  		clrb |= spi->cfg->regs->lsb_first.mask;
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1029  
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21 @1030  	dev_dbg(spi->dev, "cpol=%d cpha=%d lsb_first=%d cs_high=%d\n",
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1031  		spi_dev->mode & SPI_CPOL,
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1032  		spi_dev->mode & SPI_CPHA,
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1033  		spi_dev->mode & SPI_LSB_FIRST,
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1034  		spi_dev->mode & SPI_CS_HIGH);
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1035  
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1036  	spin_lock_irqsave(&spi->lock, flags);
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1037  
55166853b2f56ce Cezary Gapinski 2018-12-24  1038  	/* CPOL, CPHA and LSB FIRST bits have common register */
55166853b2f56ce Cezary Gapinski 2018-12-24  1039  	if (clrb || setb)
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1040  		writel_relaxed(
55166853b2f56ce Cezary Gapinski 2018-12-24  1041  			(readl_relaxed(spi->base + spi->cfg->regs->cpol.reg) &
55166853b2f56ce Cezary Gapinski 2018-12-24  1042  			 ~clrb) | setb,
55166853b2f56ce Cezary Gapinski 2018-12-24  1043  			spi->base + spi->cfg->regs->cpol.reg);
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1044  
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1045  	spin_unlock_irqrestore(&spi->lock, flags);
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1046  
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1047  	return 0;
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1048  }
dcbe0d84dfa5a3e Amelie Delaunay 2017-06-21  1049  

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

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