tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: e3342532ecd39bbd9c2ab5b9001cec1589bc37e9 commit: fc96ec826bced75cc6b9c07a4ac44bbf651337ab [8560/11447] spi: fsl-cpm: Use 16 bit mode for large transfers with even size config: powerpc-randconfig-s053-20230413 (https://download.01.org/0day-ci/archive/20230414/202304140707.CoH337Ux-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=fc96ec826bced75cc6b9c07a4ac44bbf651337ab git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout fc96ec826bced75cc6b9c07a4ac44bbf651337ab # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/spi/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304140707.CoH337Ux-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) drivers/spi/spi-fsl-cpm.c:59:39: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:59:39: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:59:39: sparse: got restricted __be32 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:60:39: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:60:39: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:60:39: sparse: got restricted __be16 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:61:47: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:61:47: sparse: expected unsigned short const volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:61:47: sparse: got restricted __be16 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:62:39: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:62:39: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:62:39: sparse: got restricted __be32 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:63:39: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:63:39: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:63:39: sparse: got restricted __be16 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:64:47: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:64:47: sparse: expected unsigned short const volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:64:47: sparse: got restricted __be16 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:78:44: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct fsl_spi_reg *reg_base @@ got void [noderef] __iomem *reg_base @@ drivers/spi/spi-fsl-cpm.c:78:44: sparse: expected struct fsl_spi_reg *reg_base drivers/spi/spi-fsl-cpm.c:78:44: sparse: got void [noderef] __iomem *reg_base drivers/spi/spi-fsl-cpm.c:98:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected restricted __be32 [noderef] [usertype] __iomem *reg @@ got restricted __be32 * @@ drivers/spi/spi-fsl-cpm.c:98:32: sparse: expected restricted __be32 [noderef] [usertype] __iomem *reg drivers/spi/spi-fsl-cpm.c:98:32: sparse: got restricted __be32 * drivers/spi/spi-fsl-cpm.c:105:44: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct fsl_spi_reg *reg_base @@ got void [noderef] __iomem *reg_base @@ drivers/spi/spi-fsl-cpm.c:105:44: sparse: expected struct fsl_spi_reg *reg_base drivers/spi/spi-fsl-cpm.c:105:44: sparse: got void [noderef] __iomem *reg_base >> drivers/spi/spi-fsl-cpm.c:134:32: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] @@ got restricted __le16 @@ drivers/spi/spi-fsl-cpm.c:134:32: sparse: expected unsigned short [usertype] drivers/spi/spi-fsl-cpm.c:134:32: sparse: got restricted __le16 drivers/spi/spi-fsl-cpm.c:165:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected restricted __be32 [noderef] [usertype] __iomem *reg @@ got restricted __be32 * @@ drivers/spi/spi-fsl-cpm.c:165:32: sparse: expected restricted __be32 [noderef] [usertype] __iomem *reg drivers/spi/spi-fsl-cpm.c:165:32: sparse: got restricted __be32 * drivers/spi/spi-fsl-cpm.c:205:44: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct fsl_spi_reg *reg_base @@ got void [noderef] __iomem *reg_base @@ drivers/spi/spi-fsl-cpm.c:205:44: sparse: expected struct fsl_spi_reg *reg_base drivers/spi/spi-fsl-cpm.c:205:44: sparse: got void [noderef] __iomem *reg_base drivers/spi/spi-fsl-cpm.c:217:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected restricted __be32 [noderef] [usertype] __iomem *reg @@ got restricted __be32 * @@ drivers/spi/spi-fsl-cpm.c:217:32: sparse: expected restricted __be32 [noderef] [usertype] __iomem *reg drivers/spi/spi-fsl-cpm.c:217:32: sparse: got restricted __be32 * drivers/spi/spi-fsl-cpm.c:333:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *pram @@ got void [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:333:22: sparse: expected void *pram drivers/spi/spi-fsl-cpm.c:333:22: sparse: got void [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:338:36: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct spi_pram [noderef] __iomem *pram @@ got void *pram @@ drivers/spi/spi-fsl-cpm.c:338:36: sparse: expected struct spi_pram [noderef] __iomem *pram drivers/spi/spi-fsl-cpm.c:338:36: sparse: got void *pram drivers/spi/spi-fsl-cpm.c:377:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:377:23: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:377:23: sparse: got restricted __be16 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:378:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:378:23: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:378:23: sparse: got restricted __be16 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:381:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:381:23: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:381:23: sparse: got restricted __be16 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:382:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:382:23: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:382:23: sparse: got restricted __be32 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:383:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:383:23: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:383:23: sparse: got restricted __be32 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:384:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:384:23: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:384:23: sparse: got restricted __be16 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:385:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:385:23: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:385:23: sparse: got restricted __be16 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:386:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:386:23: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:386:23: sparse: got restricted __be32 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:387:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:387:23: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:387:23: sparse: got restricted __be32 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:388:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:388:23: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:388:23: sparse: got restricted __be32 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:389:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:389:23: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:389:23: sparse: got restricted __be16 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:390:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:390:23: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:390:23: sparse: got restricted __be16 [noderef] __iomem * drivers/spi/spi-fsl-cpm.c:391:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@ drivers/spi/spi-fsl-cpm.c:391:23: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr drivers/spi/spi-fsl-cpm.c:391:23: sparse: got restricted __be32 [noderef] __iomem * vim +134 drivers/spi/spi-fsl-cpm.c 100 101 int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi, 102 struct spi_transfer *t, bool is_dma_mapped) 103 { 104 struct device *dev = mspi->dev; 105 struct fsl_spi_reg *reg_base = mspi->reg_base; 106 107 if (is_dma_mapped) { 108 mspi->map_tx_dma = 0; 109 mspi->map_rx_dma = 0; 110 } else { 111 mspi->map_tx_dma = 1; 112 mspi->map_rx_dma = 1; 113 } 114 115 if (!t->tx_buf) { 116 mspi->tx_dma = mspi->dma_dummy_tx; 117 mspi->map_tx_dma = 0; 118 } 119 120 if (!t->rx_buf) { 121 mspi->rx_dma = mspi->dma_dummy_rx; 122 mspi->map_rx_dma = 0; 123 } 124 if (t->bits_per_word == 16 && t->tx_buf) { 125 const u16 *src = t->tx_buf; 126 u16 *dst; 127 int i; 128 129 dst = kmalloc(t->len, GFP_KERNEL); 130 if (!dst) 131 return -ENOMEM; 132 133 for (i = 0; i < t->len >> 1; i++) > 134 dst[i] = cpu_to_le16p(src + i); 135 136 mspi->tx = dst; 137 mspi->map_tx_dma = 1; 138 } 139 140 if (mspi->map_tx_dma) { 141 void *nonconst_tx = (void *)mspi->tx; /* shut up gcc */ 142 143 mspi->tx_dma = dma_map_single(dev, nonconst_tx, t->len, 144 DMA_TO_DEVICE); 145 if (dma_mapping_error(dev, mspi->tx_dma)) { 146 dev_err(dev, "unable to map tx dma\n"); 147 return -ENOMEM; 148 } 149 } else if (t->tx_buf) { 150 mspi->tx_dma = t->tx_dma; 151 } 152 153 if (mspi->map_rx_dma) { 154 mspi->rx_dma = dma_map_single(dev, mspi->rx, t->len, 155 DMA_FROM_DEVICE); 156 if (dma_mapping_error(dev, mspi->rx_dma)) { 157 dev_err(dev, "unable to map rx dma\n"); 158 goto err_rx_dma; 159 } 160 } else if (t->rx_buf) { 161 mspi->rx_dma = t->rx_dma; 162 } 163 164 /* enable rx ints */ 165 mpc8xxx_spi_write_reg(®_base->mask, SPIE_RXB); 166 167 mspi->xfer_in_progress = t; 168 mspi->count = t->len; 169 170 /* start CPM transfers */ 171 fsl_spi_cpm_bufs_start(mspi); 172 173 return 0; 174 175 err_rx_dma: 176 if (mspi->map_tx_dma) 177 dma_unmap_single(dev, mspi->tx_dma, t->len, DMA_TO_DEVICE); 178 return -ENOMEM; 179 } 180 EXPORT_SYMBOL_GPL(fsl_spi_cpm_bufs); 181 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
