Re: [PATCH 2/5] spi: cadence: Add Marvell IP modification changes

[kernel test robot <lkp@xxxxxxxxx>]

Hi Witold,

kernel test robot noticed the following build errors:

[auto build test ERROR on broonie-spi/for-next]
[also build test ERROR on linus/master v6.9-rc1 next-20240328]
[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/Witold-Sadowski/spi-cadence-Add-new-bindings-documentation-for-Cadence-XSPI/20240330-035124
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
patch link:    https://lore.kernel.org/r/20240329194849.25554-3-wsadowski%40marvell.com
patch subject: [PATCH 2/5] spi: cadence: Add Marvell IP modification changes
config: i386-randconfig-141-20240330 (https://download.01.org/0day-ci/archive/20240331/202403311540.oe0vVEdr-lkp@xxxxxxxxx/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240331/202403311540.oe0vVEdr-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403311540.oe0vVEdr-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> drivers/spi/spi-cadence-xspi.c:531:15: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     531 |                         *buf64++ = readq(addr);
         |                                    ^
   drivers/spi/spi-cadence-xspi.c:534:10: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     534 |                         tmp = readq(addr);
         |                               ^
   drivers/spi/spi-cadence-xspi.c:540:9: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     540 |                 tmp = readq(addr);
         |                       ^
>> drivers/spi/spi-cadence-xspi.c:555:4: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     555 |                         writeq(*buf64++, addr);
         |                         ^
   drivers/spi/spi-cadence-xspi.c:559:4: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     559 |                         writeq(tmp, addr);
         |                         ^
   drivers/spi/spi-cadence-xspi.c:565:3: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     565 |                 writeq(tmp, addr);
         |                 ^
>> drivers/spi/spi-cadence-xspi.c:794:36: error: call to undeclared function 'spi_master_get_devdata'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     794 |         struct cdns_xspi_dev *cdns_xspi = spi_master_get_devdata(spi_dev->master);
         |                                           ^
   drivers/spi/spi-cadence-xspi.c:794:36: note: did you mean 'spi_mem_get_drvdata'?
   include/linux/spi/spi-mem.h:224:21: note: 'spi_mem_get_drvdata' declared here
     224 | static inline void *spi_mem_get_drvdata(struct spi_mem *mem)
         |                     ^
>> drivers/spi/spi-cadence-xspi.c:794:68: error: no member named 'master' in 'struct spi_device'
     794 |         struct cdns_xspi_dev *cdns_xspi = spi_master_get_devdata(spi_dev->master);
         |                                                                  ~~~~~~~  ^
   8 errors generated.


vim +/readq +531 drivers/spi/spi-cadence-xspi.c

   520	
   521	static void mrvl_ioreadq(void __iomem  *addr, void *buf, int len)
   522	{
   523		int i = 0;
   524		int rcount = len / 8;
   525		int rcount_nf = len % 8;
   526		uint64_t tmp;
   527		uint64_t *buf64 = (uint64_t *)buf;
   528	
   529		if (((uint64_t)buf % 8) == 0) {
   530			for (i = 0; i < rcount; i++)
 > 531				*buf64++ = readq(addr);
   532		} else {
   533			for (i = 0; i < rcount; i++) {
   534				tmp = readq(addr);
   535				memcpy(buf+(i*8), &tmp, 8);
   536			}
   537		}
   538	
   539		if (rcount_nf != 0) {
   540			tmp = readq(addr);
   541			memcpy(buf+(i*8), &tmp, rcount_nf);
   542		}
   543	}
   544	
   545	static void mrvl_iowriteq(void __iomem *addr, const void *buf, int len)
   546	{
   547		int i = 0;
   548		int rcount = len / 8;
   549		int rcount_nf = len % 8;
   550		uint64_t tmp;
   551		uint64_t *buf64 = (uint64_t *)buf;
   552	
   553		if (((uint64_t)buf % 8) == 0) {
   554			for (i = 0; i < rcount; i++)
 > 555				writeq(*buf64++, addr);
   556		} else {
   557			for (i = 0; i < rcount; i++) {
   558				memcpy(&tmp, buf+(i*8), 8);
   559				writeq(tmp, addr);
   560			}
   561		}
   562	
   563		if (rcount_nf != 0) {
   564			memcpy(&tmp, buf+(i*8), rcount_nf);
   565			writeq(tmp, addr);
   566		}
   567	}
   568	

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