Re: [PATCH] mmc: block: Use .card_busy() to detect busy state in card_busy_detect

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Hi Shawn,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.13-rc5 next-20210607]
[cannot apply to ulf.hansson-mmc/next mmc/mmc-next]
[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/Shawn-Lin/mmc-block-Use-card_busy-to-detect-busy-state-in-card_busy_detect/20210607-172028
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 614124bea77e452aa6df7a8714e8bc820b489922
config: riscv-randconfig-r002-20210607 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project ae973380c5f6be77ce395022be40350942260be9)
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 riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://github.com/0day-ci/linux/commit/2224db607cd2136af3a045ca8b2b8442705f8752
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Shawn-Lin/mmc-block-Use-card_busy-to-detect-busy-state-in-card_busy_detect/20210607-172028
        git checkout 2224db607cd2136af3a045ca8b2b8442705f8752
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv 

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

All errors (new ones prefixed by >>):

>> drivers/mmc/core/block.c:452:2: error: expected statement
           } while (!mmc_ready_for_data(status));
           ^
   1 error generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for LOCKDEP
   Depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT && (FRAME_POINTER || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86)
   Selected by
   - PROVE_LOCKING && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
   - LOCK_STAT && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
   - DEBUG_LOCK_ALLOC && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT


vim +452 drivers/mmc/core/block.c

a5f5774c55a2e3 drivers/mmc/card/block.c Jon Hunter    2015-09-22  412  
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  413  static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  414  			    u32 *resp_errs)
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  415  {
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  416  	unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms);
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  417  	int err = 0;
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  418  	u32 status;
2224db607cd213 drivers/mmc/core/block.c Shawn Lin     2021-06-07  419  	bool busy;
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  420  
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  421  	do {
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  422  		bool done = time_after(jiffies, timeout);
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  423  
2224db607cd213 drivers/mmc/core/block.c Shawn Lin     2021-06-07  424  		if (card->host->ops->card_busy) {
2224db607cd213 drivers/mmc/core/block.c Shawn Lin     2021-06-07  425  			busy = card->host->ops->card_busy(card->host);
2224db607cd213 drivers/mmc/core/block.c Shawn Lin     2021-06-07  426  			status = busy ?	0 : R1_READY_FOR_DATA | R1_STATE_TRAN << 9;
2224db607cd213 drivers/mmc/core/block.c Shawn Lin     2021-06-07  427  			goto cb;
2224db607cd213 drivers/mmc/core/block.c Shawn Lin     2021-06-07  428  		}
2224db607cd213 drivers/mmc/core/block.c Shawn Lin     2021-06-07  429  
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  430  		err = __mmc_send_status(card, &status, 5);
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  431  		if (err) {
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  432  			dev_err(mmc_dev(card->host),
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  433  				"error %d requesting status\n", err);
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  434  			return err;
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  435  		}
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  436  
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  437  		/* Accumulate any response error bits seen */
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  438  		if (resp_errs)
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  439  			*resp_errs |= status;
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  440  
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  441  		/*
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  442  		 * Timeout if the device never becomes ready for data and never
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  443  		 * leaves the program state.
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  444  		 */
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  445  		if (done) {
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  446  			dev_err(mmc_dev(card->host),
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  447  				"Card stuck in wrong state! %s status: %#x\n",
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  448  				 __func__, status);
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  449  			return -ETIMEDOUT;
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  450  		}
2224db607cd213 drivers/mmc/core/block.c Shawn Lin     2021-06-07  451  cb:
40c96853fef1bd drivers/mmc/core/block.c Ulf Hansson   2020-02-04 @452  	} while (!mmc_ready_for_data(status));
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  453  
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  454  	return err;
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  455  }
a0d4c7eb71dd08 drivers/mmc/core/block.c Chaotian Jing 2019-09-05  456  

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

Attachment: .config.gz
Description: application/gzip


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