[PATCH] mmc: meson-gx: fix SDIO mode if cap_sdio_irq isn't set

kernel test robot lkp at intel.com
Sun Feb 12 16:42:33 PST 2023


Hi Heiner,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.2-rc8 next-20230210]
[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/Heiner-Kallweit/mmc-meson-gx-fix-SDIO-mode-if-cap_sdio_irq-isn-t-set/20230213-055650
patch link:    https://lore.kernel.org/r/9e296859-0363-ecc4-2d99-fd0239efceff%40gmail.com
patch subject: [PATCH] mmc: meson-gx: fix SDIO mode if cap_sdio_irq isn't set
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230213/202302130854.oj1Vrs2F-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 12.1.0
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
        # https://github.com/intel-lab-lkp/linux/commit/6aca20b626a6d75b5d74fc4441cdd99ff3252b23
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Heiner-Kallweit/mmc-meson-gx-fix-SDIO-mode-if-cap_sdio_irq-isn-t-set/20230213-055650
        git checkout 6aca20b626a6d75b5d74fc4441cdd99ff3252b23
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=alpha olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=alpha SHELL=/bin/bash drivers/mmc/host/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp at intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302130854.oj1Vrs2F-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/printk.h:566,
                    from include/linux/kernel.h:29,
                    from drivers/mmc/host/meson-gx-mmc.c:8:
   drivers/mmc/host/meson-gx-mmc.c: In function 'meson_mmc_irq':
>> drivers/mmc/host/meson-gx-mmc.c:962:25: warning: format '%lx' expects argument of type 'long unsigned int', but argument 4 has type 'u32' {aka 'unsigned int'} [-Wformat=]
     962 |                         "Unexpected IRQ! irq_en 0x%08lx - status 0x%08x\n",
         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dynamic_debug.h:223:29: note: in definition of macro '__dynamic_func_call_cls'
     223 |                 func(&id, ##__VA_ARGS__);                       \
         |                             ^~~~~~~~~~~
   include/linux/dynamic_debug.h:249:9: note: in expansion of macro '_dynamic_func_call_cls'
     249 |         _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/dynamic_debug.h:272:9: note: in expansion of macro '_dynamic_func_call'
     272 |         _dynamic_func_call(fmt, __dynamic_dev_dbg,              \
         |         ^~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:155:9: note: in expansion of macro 'dynamic_dev_dbg'
     155 |         dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~
   include/linux/dev_printk.h:155:30: note: in expansion of macro 'dev_fmt'
     155 |         dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                              ^~~~~~~
   drivers/mmc/host/meson-gx-mmc.c:961:17: note: in expansion of macro 'dev_dbg'
     961 |                 dev_dbg(host->dev,
         |                 ^~~~~~~
   drivers/mmc/host/meson-gx-mmc.c:962:55: note: format string is defined here
     962 |                         "Unexpected IRQ! irq_en 0x%08lx - status 0x%08x\n",
         |                                                   ~~~~^
         |                                                       |
         |                                                       long unsigned int
         |                                                   %08x


vim +962 drivers/mmc/host/meson-gx-mmc.c

066ecde6d826b4 Heiner Kallweit     2022-08-25   947  
51c5d8447bd71b Kevin Hilman        2016-10-19   948  static irqreturn_t meson_mmc_irq(int irq, void *dev_id)
51c5d8447bd71b Kevin Hilman        2016-10-19   949  {
51c5d8447bd71b Kevin Hilman        2016-10-19   950  	struct meson_host *host = dev_id;
19a91dd4e39e75 Heinrich Schuchardt 2016-12-23   951  	struct mmc_command *cmd;
6aca20b626a6d7 Heiner Kallweit     2023-02-12   952  	u32 status, raw_status, irq_mask = IRQ_EN_MASK;
74858655cbff05 Jerome Brunet       2017-08-28   953  	irqreturn_t ret = IRQ_NONE;
51c5d8447bd71b Kevin Hilman        2016-10-19   954  
6aca20b626a6d7 Heiner Kallweit     2023-02-12   955  	if (host->mmc->caps & MMC_CAP_SDIO_IRQ)
6aca20b626a6d7 Heiner Kallweit     2023-02-12   956  		irq_mask |= IRQ_SDIO;
18f92bc02f1739 Jerome Brunet       2018-12-06   957  	raw_status = readl(host->regs + SD_EMMC_STATUS);
6aca20b626a6d7 Heiner Kallweit     2023-02-12   958  	status = raw_status & irq_mask;
18f92bc02f1739 Jerome Brunet       2018-12-06   959  
18f92bc02f1739 Jerome Brunet       2018-12-06   960  	if (!status) {
18f92bc02f1739 Jerome Brunet       2018-12-06   961  		dev_dbg(host->dev,
6f6fac8af6be0f Heiner Kallweit     2022-08-25  @962  			"Unexpected IRQ! irq_en 0x%08lx - status 0x%08x\n",
6aca20b626a6d7 Heiner Kallweit     2023-02-12   963  			 irq_mask, raw_status);
18f92bc02f1739 Jerome Brunet       2018-12-06   964  		return IRQ_NONE;
18f92bc02f1739 Jerome Brunet       2018-12-06   965  	}
18f92bc02f1739 Jerome Brunet       2018-12-06   966  
066ecde6d826b4 Heiner Kallweit     2022-08-25   967  	if (WARN_ON(!host))
51c5d8447bd71b Kevin Hilman        2016-10-19   968  		return IRQ_NONE;
51c5d8447bd71b Kevin Hilman        2016-10-19   969  
c2c1e63a80d6e9 Jerome Brunet       2019-05-23   970  	/* ack all raised interrupts */
c2c1e63a80d6e9 Jerome Brunet       2019-05-23   971  	writel(status, host->regs + SD_EMMC_STATUS);
c2c1e63a80d6e9 Jerome Brunet       2019-05-23   972  
74858655cbff05 Jerome Brunet       2017-08-28   973  	cmd = host->cmd;
066ecde6d826b4 Heiner Kallweit     2022-08-25   974  
066ecde6d826b4 Heiner Kallweit     2022-08-25   975  	if (status & IRQ_SDIO) {
066ecde6d826b4 Heiner Kallweit     2022-08-25   976  		spin_lock(&host->lock);
066ecde6d826b4 Heiner Kallweit     2022-08-25   977  		__meson_mmc_enable_sdio_irq(host->mmc, 0);
066ecde6d826b4 Heiner Kallweit     2022-08-25   978  		sdio_signal_irq(host->mmc);
066ecde6d826b4 Heiner Kallweit     2022-08-25   979  		spin_unlock(&host->lock);
066ecde6d826b4 Heiner Kallweit     2022-08-25   980  		status &= ~IRQ_SDIO;
066ecde6d826b4 Heiner Kallweit     2022-08-25   981  		if (!status)
066ecde6d826b4 Heiner Kallweit     2022-08-25   982  			return IRQ_HANDLED;
066ecde6d826b4 Heiner Kallweit     2022-08-25   983  	}
066ecde6d826b4 Heiner Kallweit     2022-08-25   984  
066ecde6d826b4 Heiner Kallweit     2022-08-25   985  	if (WARN_ON(!cmd))
066ecde6d826b4 Heiner Kallweit     2022-08-25   986  		return IRQ_NONE;
066ecde6d826b4 Heiner Kallweit     2022-08-25   987  
51c5d8447bd71b Kevin Hilman        2016-10-19   988  	cmd->error = 0;
74858655cbff05 Jerome Brunet       2017-08-28   989  	if (status & IRQ_CRC_ERR) {
74858655cbff05 Jerome Brunet       2017-08-28   990  		dev_dbg(host->dev, "CRC Error - status 0x%08x\n", status);
51c5d8447bd71b Kevin Hilman        2016-10-19   991  		cmd->error = -EILSEQ;
18f92bc02f1739 Jerome Brunet       2018-12-06   992  		ret = IRQ_WAKE_THREAD;
74858655cbff05 Jerome Brunet       2017-08-28   993  		goto out;
51c5d8447bd71b Kevin Hilman        2016-10-19   994  	}
74858655cbff05 Jerome Brunet       2017-08-28   995  
74858655cbff05 Jerome Brunet       2017-08-28   996  	if (status & IRQ_TIMEOUTS) {
74858655cbff05 Jerome Brunet       2017-08-28   997  		dev_dbg(host->dev, "Timeout - status 0x%08x\n", status);
51c5d8447bd71b Kevin Hilman        2016-10-19   998  		cmd->error = -ETIMEDOUT;
18f92bc02f1739 Jerome Brunet       2018-12-06   999  		ret = IRQ_WAKE_THREAD;
74858655cbff05 Jerome Brunet       2017-08-28  1000  		goto out;
51c5d8447bd71b Kevin Hilman        2016-10-19  1001  	}
74858655cbff05 Jerome Brunet       2017-08-28  1002  
74858655cbff05 Jerome Brunet       2017-08-28  1003  	meson_mmc_read_resp(host->mmc, cmd);
74858655cbff05 Jerome Brunet       2017-08-28  1004  
2c8d96a46dfd45 Heiner Kallweit     2017-03-22  1005  	if (status & (IRQ_END_OF_CHAIN | IRQ_RESP_STATUS)) {
066ecde6d826b4 Heiner Kallweit     2022-08-25  1006  		struct mmc_data *data = cmd->data;
066ecde6d826b4 Heiner Kallweit     2022-08-25  1007  
2c8d96a46dfd45 Heiner Kallweit     2017-03-22  1008  		if (data && !cmd->error)
2c8d96a46dfd45 Heiner Kallweit     2017-03-22  1009  			data->bytes_xfered = data->blksz * data->blocks;
79ed05e329c34c Heiner Kallweit     2017-04-07  1010  		if (meson_mmc_bounce_buf_read(data) ||
79ed05e329c34c Heiner Kallweit     2017-04-07  1011  		    meson_mmc_get_next_command(cmd))
51c5d8447bd71b Kevin Hilman        2016-10-19  1012  			ret = IRQ_WAKE_THREAD;
74858655cbff05 Jerome Brunet       2017-08-28  1013  		else
74858655cbff05 Jerome Brunet       2017-08-28  1014  			ret = IRQ_HANDLED;
51c5d8447bd71b Kevin Hilman        2016-10-19  1015  	}
51c5d8447bd71b Kevin Hilman        2016-10-19  1016  
51c5d8447bd71b Kevin Hilman        2016-10-19  1017  out:
18f92bc02f1739 Jerome Brunet       2018-12-06  1018  	if (cmd->error) {
18f92bc02f1739 Jerome Brunet       2018-12-06  1019  		/* Stop desc in case of errors */
18f92bc02f1739 Jerome Brunet       2018-12-06  1020  		u32 start = readl(host->regs + SD_EMMC_START);
18f92bc02f1739 Jerome Brunet       2018-12-06  1021  
18f92bc02f1739 Jerome Brunet       2018-12-06  1022  		start &= ~START_DESC_BUSY;
18f92bc02f1739 Jerome Brunet       2018-12-06  1023  		writel(start, host->regs + SD_EMMC_START);
18f92bc02f1739 Jerome Brunet       2018-12-06  1024  	}
18f92bc02f1739 Jerome Brunet       2018-12-06  1025  
1f8066d90739eb Heiner Kallweit     2017-03-22  1026  	if (ret == IRQ_HANDLED)
51c5d8447bd71b Kevin Hilman        2016-10-19  1027  		meson_mmc_request_done(host->mmc, cmd->mrq);
51c5d8447bd71b Kevin Hilman        2016-10-19  1028  
51c5d8447bd71b Kevin Hilman        2016-10-19  1029  	return ret;
51c5d8447bd71b Kevin Hilman        2016-10-19  1030  }
51c5d8447bd71b Kevin Hilman        2016-10-19  1031  

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



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