tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4ef8451b332662d004df269d4cdeb7d9f31419b5 commit: b5b5b32081cd206baa6e58cca7f112d9723785d6 i2c: mlxbf: I2C SMBus driver for Mellanox BlueField SoC date: 6 weeks ago config: arm64-randconfig-r011-20201105 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 09ec07827b1128504457a93dee80b2ceee1af600) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b5b5b32081cd206baa6e58cca7f112d9723785d6 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout b5b5b32081cd206baa6e58cca7f112d9723785d6 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> All errors (new ones prefixed by >>): >> drivers/i2c/busses/i2c-mlxbf.c:1927:3: error: implicit declaration of >> function 'i2c_slave_event' [-Werror,-Wimplicit-function-declaration] i2c_slave_event(slave, I2C_SLAVE_WRITE_REQUESTED, &value); ^ >> drivers/i2c/busses/i2c-mlxbf.c:1927:26: error: use of undeclared identifier >> 'I2C_SLAVE_WRITE_REQUESTED' i2c_slave_event(slave, I2C_SLAVE_WRITE_REQUESTED, &value); ^ >> drivers/i2c/busses/i2c-mlxbf.c:1929:32: error: use of undeclared identifier >> 'I2C_SLAVE_WRITE_RECEIVED' ret = i2c_slave_event(slave, I2C_SLAVE_WRITE_RECEIVED, ^ >> drivers/i2c/busses/i2c-mlxbf.c:1931:26: error: use of undeclared identifier >> 'I2C_SLAVE_STOP' i2c_slave_event(slave, I2C_SLAVE_STOP, &value); ^ drivers/i2c/busses/i2c-mlxbf.c:1943:2: error: implicit declaration of function 'i2c_slave_event' [-Werror,-Wimplicit-function-declaration] i2c_slave_event(slave, I2C_SLAVE_READ_REQUESTED, &value); ^ >> drivers/i2c/busses/i2c-mlxbf.c:1943:25: error: use of undeclared identifier >> 'I2C_SLAVE_READ_REQUESTED' i2c_slave_event(slave, I2C_SLAVE_READ_REQUESTED, &value); ^ >> drivers/i2c/busses/i2c-mlxbf.c:1947:26: error: use of undeclared identifier >> 'I2C_SLAVE_READ_PROCESSED' i2c_slave_event(slave, I2C_SLAVE_READ_PROCESSED, &value); ^ drivers/i2c/busses/i2c-mlxbf.c:1951:25: error: use of undeclared identifier 'I2C_SLAVE_STOP' i2c_slave_event(slave, I2C_SLAVE_STOP, &value); ^ drivers/i2c/busses/i2c-mlxbf.c:2011:2: error: implicit declaration of function 'i2c_slave_event' [-Werror,-Wimplicit-function-declaration] i2c_slave_event(slave, I2C_SLAVE_WRITE_REQUESTED, &value); ^ drivers/i2c/busses/i2c-mlxbf.c:2011:25: error: use of undeclared identifier 'I2C_SLAVE_WRITE_REQUESTED' i2c_slave_event(slave, I2C_SLAVE_WRITE_REQUESTED, &value); ^ drivers/i2c/busses/i2c-mlxbf.c:2016:32: error: use of undeclared identifier 'I2C_SLAVE_WRITE_RECEIVED' ret = i2c_slave_event(slave, I2C_SLAVE_WRITE_RECEIVED, ^ drivers/i2c/busses/i2c-mlxbf.c:2023:25: error: use of undeclared identifier 'I2C_SLAVE_STOP' i2c_slave_event(slave, I2C_SLAVE_STOP, &value); ^ >> drivers/i2c/busses/i2c-mlxbf.c:2244:3: error: field designator 'reg_slave' >> does not refer to any field in type 'const struct i2c_algorithm' .reg_slave = mlxbf_i2c_reg_slave, ^ >> drivers/i2c/busses/i2c-mlxbf.c:2245:3: error: field designator 'unreg_slave' >> does not refer to any field in type 'const struct i2c_algorithm' .unreg_slave = mlxbf_i2c_unreg_slave, ^ drivers/i2c/busses/i2c-mlxbf.c:2296:8: error: implicit declaration of function 'acpi_device_uid' [-Werror,-Wimplicit-function-declaration] uid = acpi_device_uid(adev); ^ drivers/i2c/busses/i2c-mlxbf.c:2296:8: note: did you mean 'cpu_device_up'? include/linux/cpu.h:93:5: note: 'cpu_device_up' declared here int cpu_device_up(struct device *dev); ^ drivers/i2c/busses/i2c-mlxbf.c:2296:6: warning: incompatible integer to pointer conversion assigning to 'const char *' from 'int' [-Wint-conversion] uid = acpi_device_uid(adev); ^ ~~~~~~~~~~~~~~~~~~~~~ 1 warning and 15 errors generated. vim +/i2c_slave_event +1927 drivers/i2c/busses/i2c-mlxbf.c 1879 1880 /* Send byte to 'external' smbus master. */ 1881 static int mlxbf_smbus_irq_send(struct mlxbf_i2c_priv *priv, u8 recv_bytes) 1882 { 1883 u8 data_desc[MLXBF_I2C_SLAVE_DATA_DESC_SIZE] = { 0 }; 1884 u8 write_size, pec_en, addr, byte, value, byte_cnt, desc_size; 1885 struct i2c_client *slave = priv->slave; 1886 u32 control32, data32; 1887 int ret; 1888 1889 if (!slave) 1890 return -EINVAL; 1891 1892 addr = 0; 1893 byte = 0; 1894 desc_size = MLXBF_I2C_SLAVE_DATA_DESC_SIZE; 1895 1896 /* 1897 * Read bytes received from the external master. These bytes should 1898 * be located in the first data descriptor register of the slave GW. 1899 * These bytes are the slave address byte and the internal register 1900 * address, if supplied. 1901 */ 1902 if (recv_bytes > 0) { 1903 data32 = mlxbf_i2c_read_data(priv->smbus->io, 1904 MLXBF_I2C_SLAVE_DATA_DESC_ADDR); 1905 1906 /* Parse the received bytes. */ 1907 switch (recv_bytes) { 1908 case 2: 1909 byte = (data32 >> 8) & GENMASK(7, 0); 1910 fallthrough; 1911 case 1: 1912 addr = (data32 & GENMASK(7, 0)) >> 1; 1913 } 1914 1915 /* Check whether it's our slave address. */ 1916 if (slave->addr != addr) 1917 return -EINVAL; 1918 } 1919 1920 /* 1921 * I2C read transactions may start by a WRITE followed by a READ. 1922 * Indeed, most slave devices would expect the internal address 1923 * following the slave address byte. So, write that byte first, 1924 * and then, send the requested data bytes to the master. 1925 */ 1926 if (recv_bytes > 1) { > 1927 i2c_slave_event(slave, I2C_SLAVE_WRITE_REQUESTED, > &value); 1928 value = byte; > 1929 ret = i2c_slave_event(slave, I2C_SLAVE_WRITE_RECEIVED, 1930 &value); > 1931 i2c_slave_event(slave, I2C_SLAVE_STOP, &value); 1932 1933 if (ret < 0) 1934 return ret; 1935 } 1936 1937 /* 1938 * Now, send data to the master; currently, the driver supports 1939 * READ_BYTE, READ_WORD and BLOCK READ protocols. Note that the 1940 * hardware can send up to 128 bytes per transfer. That is the 1941 * size of its data registers. 1942 */ > 1943 i2c_slave_event(slave, I2C_SLAVE_READ_REQUESTED, &value); 1944 1945 for (byte_cnt = 0; byte_cnt < desc_size; byte_cnt++) { 1946 data_desc[byte_cnt] = value; > 1947 i2c_slave_event(slave, I2C_SLAVE_READ_PROCESSED, > &value); 1948 } 1949 1950 /* Send a stop condition to the backend. */ 1951 i2c_slave_event(slave, I2C_SLAVE_STOP, &value); 1952 1953 /* Handle the actual transfer. */ 1954 1955 /* Set the number of bytes to write to master. */ 1956 write_size = (byte_cnt - 1) & 0x7f; 1957 1958 /* Write data to Slave GW data descriptor. */ 1959 mlxbf_i2c_smbus_write_data(priv, data_desc, byte_cnt, 1960 MLXBF_I2C_SLAVE_DATA_DESC_ADDR); 1961 1962 pec_en = 0; /* Disable PEC since it is not supported. */ 1963 1964 /* Prepare control word. */ 1965 control32 = MLXBF_I2C_SLAVE_ENABLE; 1966 control32 |= rol32(write_size, MLXBF_I2C_SLAVE_WRITE_BYTES_SHIFT); 1967 control32 |= rol32(pec_en, MLXBF_I2C_SLAVE_SEND_PEC_SHIFT); 1968 1969 mlxbf_i2c_write(priv->smbus->io, MLXBF_I2C_SMBUS_SLAVE_GW, control32); 1970 1971 /* 1972 * Wait until the transfer is completed; the driver will wait 1973 * until the GW is idle, a cause will rise on fall of GW busy. 1974 */ 1975 mlxbf_smbus_slave_wait_for_idle(priv, MLXBF_I2C_SMBUS_TIMEOUT); 1976 1977 /* Release the Slave GW. */ 1978 mlxbf_i2c_write(priv->smbus->io, 1979 MLXBF_I2C_SMBUS_SLAVE_RS_MASTER_BYTES, 0x0); 1980 mlxbf_i2c_write(priv->smbus->io, MLXBF_I2C_SMBUS_SLAVE_PEC, 0x0); 1981 mlxbf_i2c_write(priv->smbus->io, MLXBF_I2C_SMBUS_SLAVE_READY, 0x1); 1982 1983 return 0; 1984 } 1985 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
