Hi Dmitry, [auto build test WARNING on wsa/i2c/for-next] [also build test WARNING on v4.11-rc4 next-20170331] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Dmitry-Torokhov/i2c-use-void-pointers-for-supplying-data-for-reads-and-writes/20170403-074306 base: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next config: i386-randconfig-i0-201714 (attached as .config) compiler: gcc-4.8 (Debian 4.8.4-1) 4.8.4 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): drivers/iio/adc/max1363.c: In function 'max1363_probe': >> drivers/iio/adc/max1363.c:1633:12: warning: assignment from incompatible pointer type [enabled by default] st->send = i2c_master_send; ^ drivers/iio/adc/max1363.c:1634:12: warning: assignment from incompatible pointer type [enabled by default] st->recv = i2c_master_recv; ^ vim +1633 drivers/iio/adc/max1363.c a405b00e Guenter Roeck 2013-02-03 1617 if (!IS_ERR(vref)) { a405b00e Guenter Roeck 2013-02-03 1618 int vref_uv; a405b00e Guenter Roeck 2013-02-03 1619 a405b00e Guenter Roeck 2013-02-03 1620 ret = regulator_enable(vref); a405b00e Guenter Roeck 2013-02-03 1621 if (ret) a405b00e Guenter Roeck 2013-02-03 1622 goto error_disable_reg; a405b00e Guenter Roeck 2013-02-03 1623 st->vref = vref; a405b00e Guenter Roeck 2013-02-03 1624 vref_uv = regulator_get_voltage(vref); a405b00e Guenter Roeck 2013-02-03 1625 if (vref_uv <= 0) { a405b00e Guenter Roeck 2013-02-03 1626 ret = -EINVAL; a405b00e Guenter Roeck 2013-02-03 1627 goto error_disable_reg; a405b00e Guenter Roeck 2013-02-03 1628 } a405b00e Guenter Roeck 2013-02-03 1629 st->vref_uv = vref_uv; a405b00e Guenter Roeck 2013-02-03 1630 } a405b00e Guenter Roeck 2013-02-03 1631 61bdda69 Vivien Didelot 2013-10-20 1632 if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { 61bdda69 Vivien Didelot 2013-10-20 @1633 st->send = i2c_master_send; 61bdda69 Vivien Didelot 2013-10-20 1634 st->recv = i2c_master_recv; 61bdda69 Vivien Didelot 2013-10-20 1635 } else if (i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE) 61bdda69 Vivien Didelot 2013-10-20 1636 && st->chip_info->bits == 8) { 61bdda69 Vivien Didelot 2013-10-20 1637 st->send = max1363_smbus_send; 61bdda69 Vivien Didelot 2013-10-20 1638 st->recv = max1363_smbus_recv; 61bdda69 Vivien Didelot 2013-10-20 1639 } else { 61bdda69 Vivien Didelot 2013-10-20 1640 ret = -EOPNOTSUPP; 61bdda69 Vivien Didelot 2013-10-20 1641 goto error_disable_reg; :::::: The code at line 1633 was first introduced by commit :::::: 61bdda69222c09efd8943d240cd2a8e0bb659d82 iio:adc:max1363 support SMBus for 8-bit devices :::::: TO: Vivien Didelot <vivien.didelot@xxxxxxxxxxxxxxxxxxxx> :::::: CC: Jonathan Cameron <jic23@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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