[broonie-spi:for-next 4/22] drivers/spi/spi-amd.c:695:9: warning: variable 'ret' is uninitialized when used here

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
head:   fd85b6b7bc53409d0be82763419bdcdaa48f2c91
commit: e6204f39fe3a7b4538815a2d778b601bd543649e [4/22] spi: amd: Drop redundant check
config: i386-randconfig-005-20250111 (https://download.01.org/0day-ci/archive/20250111/202501112315.ugYQ7Ce7-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250111/202501112315.ugYQ7Ce7-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202501112315.ugYQ7Ce7-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/spi/spi-amd.c:695:9: warning: variable 'ret' is uninitialized when used here [-Wuninitialized]
     695 |         return ret;
         |                ^~~
   drivers/spi/spi-amd.c:673:9: note: initialize the variable 'ret' to silence this warning
     673 |         int ret;
         |                ^
         |                 = 0
   1 warning generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for FB_IOMEM_HELPERS
   Depends on [n]: HAS_IOMEM [=y] && FB_CORE [=n]
   Selected by [m]:
   - DRM_XE_DISPLAY [=y] && HAS_IOMEM [=y] && DRM [=m] && DRM_XE [=m] && DRM_XE [=m]=m [=m] && HAS_IOPORT [=y]


vim +/ret +695 drivers/spi/spi-amd.c

9674f1694e644a Raju Rangoju  2024-09-25  668  
6defadbe6cbc3a Raju Rangoju  2024-02-29  669  static int amd_spi_exec_mem_op(struct spi_mem *mem,
6defadbe6cbc3a Raju Rangoju  2024-02-29  670  			       const struct spi_mem_op *op)
6defadbe6cbc3a Raju Rangoju  2024-02-29  671  {
6defadbe6cbc3a Raju Rangoju  2024-02-29  672  	struct amd_spi *amd_spi;
6defadbe6cbc3a Raju Rangoju  2024-02-29  673  	int ret;
6defadbe6cbc3a Raju Rangoju  2024-02-29  674  
6defadbe6cbc3a Raju Rangoju  2024-02-29  675  	amd_spi = spi_controller_get_devdata(mem->spi->controller);
6defadbe6cbc3a Raju Rangoju  2024-02-29  676  
e6204f39fe3a7b Miquel Raynal 2024-12-24  677  	amd_set_spi_freq(amd_spi, op->max_freq);
6defadbe6cbc3a Raju Rangoju  2024-02-29  678  
9674f1694e644a Raju Rangoju  2024-09-25  679  	if (amd_spi->version == AMD_SPI_V2)
9674f1694e644a Raju Rangoju  2024-09-25  680  		amd_set_spi_addr_mode(amd_spi, op);
9674f1694e644a Raju Rangoju  2024-09-25  681  
6defadbe6cbc3a Raju Rangoju  2024-02-29  682  	switch (op->data.dir) {
6defadbe6cbc3a Raju Rangoju  2024-02-29  683  	case SPI_MEM_DATA_IN:
6defadbe6cbc3a Raju Rangoju  2024-02-29  684  		amd_spi_mem_data_in(amd_spi, op);
6defadbe6cbc3a Raju Rangoju  2024-02-29  685  		break;
6defadbe6cbc3a Raju Rangoju  2024-02-29  686  	case SPI_MEM_DATA_OUT:
6defadbe6cbc3a Raju Rangoju  2024-02-29  687  		fallthrough;
6defadbe6cbc3a Raju Rangoju  2024-02-29  688  	case SPI_MEM_NO_DATA:
6defadbe6cbc3a Raju Rangoju  2024-02-29  689  		amd_spi_mem_data_out(amd_spi, op);
6defadbe6cbc3a Raju Rangoju  2024-02-29  690  		break;
6defadbe6cbc3a Raju Rangoju  2024-02-29  691  	default:
6defadbe6cbc3a Raju Rangoju  2024-02-29  692  		ret = -EOPNOTSUPP;
6defadbe6cbc3a Raju Rangoju  2024-02-29  693  	}
6defadbe6cbc3a Raju Rangoju  2024-02-29  694  
6defadbe6cbc3a Raju Rangoju  2024-02-29 @695  	return ret;
6defadbe6cbc3a Raju Rangoju  2024-02-29  696  }
6defadbe6cbc3a Raju Rangoju  2024-02-29  697  

:::::: The code at line 695 was first introduced by commit
:::::: 6defadbe6cbc3a87dc39c119a6748d19bfba0544 spi: spi_amd: Add support for SPI MEM framework

:::::: TO: Raju Rangoju <Raju.Rangoju@amd.com>
:::::: CC: Mark Brown <broonie@kernel.org>

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