Messages in this thread | | | Date | Thu, 28 May 2020 04:16:47 +0800 | From | kbuild test robot <> | Subject | drivers/spi/spi-fsl-dspi.c:261:17: sparse: sparse: incorrect type in assignment (different base types) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b0c3ba31be3e45a130e13b278cf3b90f69bda6f6 commit: 6c1c26ecd9a31c24f9ea7dfb174528141dd32361 spi: spi-fsl-dspi: Accelerate transfers using larger word size if possible date: 3 months ago config: arm64-randconfig-s031-20200527 (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-240-gf0fe1cd9-dirty git checkout 6c1c26ecd9a31c24f9ea7dfb174528141dd32361 # save the attached .config to linux build tree make W=1 C=1 ARCH=arm64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/spi/spi-fsl-dspi.c:261:17: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] @@ got restricted __be32 [usertype] @@ drivers/spi/spi-fsl-dspi.c:261:17: sparse: expected unsigned int [usertype] drivers/spi/spi-fsl-dspi.c:261:17: sparse: got restricted __be32 [usertype] drivers/spi/spi-fsl-dspi.c:267:28: sparse: sparse: cast to restricted __be32 >> drivers/spi/spi-fsl-dspi.c:273:17: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] @@ got restricted __be16 [usertype] @@ drivers/spi/spi-fsl-dspi.c:273:17: sparse: expected unsigned int [usertype] drivers/spi/spi-fsl-dspi.c:273:17: sparse: got restricted __be16 [usertype] drivers/spi/spi-fsl-dspi.c:279:28: sparse: sparse: cast to restricted __be16
vim +261 drivers/spi/spi-fsl-dspi.c
258 259 static void dspi_8on32_host_to_dev(struct fsl_dspi *dspi, u32 *txdata) 260 { > 261 *txdata = cpu_to_be32(*(u32 *)dspi->tx); 262 dspi->tx += sizeof(u32); 263 } 264 265 static void dspi_8on32_dev_to_host(struct fsl_dspi *dspi, u32 rxdata) 266 { 267 *(u32 *)dspi->rx = be32_to_cpu(rxdata); 268 dspi->rx += sizeof(u32); 269 } 270 271 static void dspi_8on16_host_to_dev(struct fsl_dspi *dspi, u32 *txdata) 272 { > 273 *txdata = cpu_to_be16(*(u16 *)dspi->tx); 274 dspi->tx += sizeof(u16); 275 } 276
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