Messages in this thread | | | Date | Sat, 6 Aug 2022 11:29:57 +0800 | From | kernel test robot <> | Subject | drivers/spi/spi-armada-3700.c:500:65: sparse: sparse: incorrect type in argument 3 (different base types) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6614a3c3164a5df2b54abb0b3559f51041cf705b commit: 66bbf1441d218316948877f7ec6b477c9a49d554 spi: a3700: support BE for AC5 SPI driver date: 11 days ago config: arm64-randconfig-s052-20220804 (https://download.01.org/0day-ci/archive/20220806/202208061151.1zncglDW-lkp@intel.com/config) compiler: aarch64-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/torvalds/linux.git/commit/?id=66bbf1441d218316948877f7ec6b477c9a49d554 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 66bbf1441d218316948877f7ec6b477c9a49d554 # 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=arm64 SHELL=/bin/bash drivers/block/null_blk/./ drivers/spi/ fs/zonefs/./
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>) >> drivers/spi/spi-armada-3700.c:500:65: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned int [usertype] data @@ got restricted __le32 [usertype] @@ drivers/spi/spi-armada-3700.c:500:65: sparse: expected unsigned int [usertype] data drivers/spi/spi-armada-3700.c:500:65: sparse: got restricted __le32 [usertype] >> drivers/spi/spi-armada-3700.c:522:31: sparse: sparse: cast to restricted __le32 >> drivers/spi/spi-armada-3700.c:522:31: sparse: sparse: cast to restricted __le32 >> drivers/spi/spi-armada-3700.c:522:31: sparse: sparse: cast to restricted __le32 >> drivers/spi/spi-armada-3700.c:522:31: sparse: sparse: cast to restricted __le32 >> drivers/spi/spi-armada-3700.c:522:31: sparse: sparse: cast to restricted __le32 >> drivers/spi/spi-armada-3700.c:522:31: sparse: sparse: cast to restricted __le32
vim +500 drivers/spi/spi-armada-3700.c
493 494 static int a3700_spi_fifo_write(struct a3700_spi *a3700_spi) 495 { 496 u32 val; 497 498 while (!a3700_is_wfifo_full(a3700_spi) && a3700_spi->buf_len) { 499 val = *(u32 *)a3700_spi->tx_buf; > 500 spireg_write(a3700_spi, A3700_SPI_DATA_OUT_REG, cpu_to_le32(val)); 501 a3700_spi->buf_len -= 4; 502 a3700_spi->tx_buf += 4; 503 } 504 505 return 0; 506 } 507 508 static int a3700_is_rfifo_empty(struct a3700_spi *a3700_spi) 509 { 510 u32 val = spireg_read(a3700_spi, A3700_SPI_IF_CTRL_REG); 511 512 return (val & A3700_SPI_RFIFO_EMPTY); 513 } 514 515 static int a3700_spi_fifo_read(struct a3700_spi *a3700_spi) 516 { 517 u32 val; 518 519 while (!a3700_is_rfifo_empty(a3700_spi) && a3700_spi->buf_len) { 520 val = spireg_read(a3700_spi, A3700_SPI_DATA_IN_REG); 521 if (a3700_spi->buf_len >= 4) { > 522 val = le32_to_cpu(val); 523 memcpy(a3700_spi->rx_buf, &val, 4); 524 525 a3700_spi->buf_len -= 4; 526 a3700_spi->rx_buf += 4; 527 } else { 528 /* 529 * When remain bytes is not larger than 4, we should 530 * avoid memory overwriting and just write the left rx 531 * buffer bytes. 532 */ 533 while (a3700_spi->buf_len) { 534 *a3700_spi->rx_buf = val & 0xff; 535 val >>= 8; 536 537 a3700_spi->buf_len--; 538 a3700_spi->rx_buf++; 539 } 540 } 541 } 542 543 return 0; 544 } 545
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