Re: [PATCH v3 2/7] ASoC: fsl_rpmsg: Add CPU DAI driver for audio base on rpmsg

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Hi Shengjiu,

I love your patch! Yet something to improve:

[auto build test ERROR on asoc/for-next]
[also build test ERROR on shawnguo/for-next v5.12-rc1 next-20210303]
[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/Shengjiu-Wang/Add-audio-driver-base-on-rpmsg-on-i-MX-platform/20210225-110931
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
config: m68k-randconfig-r035-20210304 (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/298ca32a06d8ed79ef0183fc1bcc0f56d02d9ec0
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Shengjiu-Wang/Add-audio-driver-base-on-rpmsg-on-i-MX-platform/20210225-110931
        git checkout 298ca32a06d8ed79ef0183fc1bcc0f56d02d9ec0
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k 

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

All errors (new ones prefixed by >>):

   In file included from arch/m68k/include/asm/div64.h:6,
                    from include/linux/math.h:5,
                    from include/linux/kernel.h:13,
                    from include/linux/clk.h:13,
                    from sound/soc/fsl/fsl_rpmsg.c:4:
   sound/soc/fsl/fsl_rpmsg.c: In function 'fsl_rpmsg_hw_params':
   include/asm-generic/div64.h:226:28: warning: comparison of distinct pointer types lacks a cast
     226 |  (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
         |                            ^~
   sound/soc/fsl/fsl_rpmsg.c:60:11: note: in expansion of macro 'do_div'
      60 |   npll = (do_div(rate, 8000) ? rpmsg->pll11k : rpmsg->pll8k);
         |           ^~~~~~
   In file included from include/linux/err.h:5,
                    from include/linux/clk.h:12,
                    from sound/soc/fsl/fsl_rpmsg.c:4:
   include/asm-generic/div64.h:239:25: warning: right shift count >= width of type [-Wshift-count-overflow]
     239 |  } else if (likely(((n) >> 32) == 0)) {  \
         |                         ^~
   include/linux/compiler.h:77:40: note: in definition of macro 'likely'
      77 | # define likely(x) __builtin_expect(!!(x), 1)
         |                                        ^
   sound/soc/fsl/fsl_rpmsg.c:60:11: note: in expansion of macro 'do_div'
      60 |   npll = (do_div(rate, 8000) ? rpmsg->pll11k : rpmsg->pll8k);
         |           ^~~~~~
   In file included from arch/m68k/include/asm/div64.h:6,
                    from include/linux/math.h:5,
                    from include/linux/kernel.h:13,
                    from include/linux/clk.h:13,
                    from sound/soc/fsl/fsl_rpmsg.c:4:
>> include/asm-generic/div64.h:243:22: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Werror=incompatible-pointer-types]
     243 |   __rem = __div64_32(&(n), __base); \
         |                      ^~~~
         |                      |
         |                      unsigned int *
   sound/soc/fsl/fsl_rpmsg.c:60:11: note: in expansion of macro 'do_div'
      60 |   npll = (do_div(rate, 8000) ? rpmsg->pll11k : rpmsg->pll8k);
         |           ^~~~~~
   include/asm-generic/div64.h:217:38: note: expected 'uint64_t *' {aka 'long long unsigned int *'} but argument is of type 'unsigned int *'
     217 | extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor);
         |                            ~~~~~~~~~~^~~~~~~~
   cc1: some warnings being treated as errors

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for SND_ATMEL_SOC_PDC
   Depends on SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && HAS_DMA
   Selected by
   - SND_ATMEL_SOC_SSC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC
   - SND_ATMEL_SOC_SSC_PDC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && ATMEL_SSC


vim +/__div64_32 +243 include/asm-generic/div64.h

^1da177e4c3f41 Linus Torvalds 2005-04-16  219  
^1da177e4c3f41 Linus Torvalds 2005-04-16  220  /* The unnecessary pointer compare is there
^1da177e4c3f41 Linus Torvalds 2005-04-16  221   * to check for type safety (n must be 64bit)
^1da177e4c3f41 Linus Torvalds 2005-04-16  222   */
^1da177e4c3f41 Linus Torvalds 2005-04-16  223  # define do_div(n,base) ({				\
^1da177e4c3f41 Linus Torvalds 2005-04-16  224  	uint32_t __base = (base);			\
^1da177e4c3f41 Linus Torvalds 2005-04-16  225  	uint32_t __rem;					\
^1da177e4c3f41 Linus Torvalds 2005-04-16  226  	(void)(((typeof((n)) *)0) == ((uint64_t *)0));	\
911918aa7ef6f8 Nicolas Pitre  2015-11-02  227  	if (__builtin_constant_p(__base) &&		\
911918aa7ef6f8 Nicolas Pitre  2015-11-02  228  	    is_power_of_2(__base)) {			\
911918aa7ef6f8 Nicolas Pitre  2015-11-02  229  		__rem = (n) & (__base - 1);		\
911918aa7ef6f8 Nicolas Pitre  2015-11-02  230  		(n) >>= ilog2(__base);			\
461a5e51060c93 Nicolas Pitre  2015-10-30  231  	} else if (__div64_const32_is_OK &&		\
461a5e51060c93 Nicolas Pitre  2015-10-30  232  		   __builtin_constant_p(__base) &&	\
461a5e51060c93 Nicolas Pitre  2015-10-30  233  		   __base != 0) {			\
461a5e51060c93 Nicolas Pitre  2015-10-30  234  		uint32_t __res_lo, __n_lo = (n);	\
461a5e51060c93 Nicolas Pitre  2015-10-30  235  		(n) = __div64_const32(n, __base);	\
461a5e51060c93 Nicolas Pitre  2015-10-30  236  		/* the remainder can be computed with 32-bit regs */ \
461a5e51060c93 Nicolas Pitre  2015-10-30  237  		__res_lo = (n);				\
461a5e51060c93 Nicolas Pitre  2015-10-30  238  		__rem = __n_lo - __res_lo * __base;	\
911918aa7ef6f8 Nicolas Pitre  2015-11-02  239  	} else if (likely(((n) >> 32) == 0)) {		\
^1da177e4c3f41 Linus Torvalds 2005-04-16  240  		__rem = (uint32_t)(n) % __base;		\
^1da177e4c3f41 Linus Torvalds 2005-04-16  241  		(n) = (uint32_t)(n) / __base;		\
^1da177e4c3f41 Linus Torvalds 2005-04-16  242  	} else 						\
^1da177e4c3f41 Linus Torvalds 2005-04-16 @243  		__rem = __div64_32(&(n), __base);	\
^1da177e4c3f41 Linus Torvalds 2005-04-16  244  	__rem;						\
^1da177e4c3f41 Linus Torvalds 2005-04-16  245   })
^1da177e4c3f41 Linus Torvalds 2005-04-16  246  

---
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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