Re: [PATCH v8 7/7] i3c: hub: p3h2x4x: Add support for NXP P3H2x4x I3C hub functionality
From: kernel test robot
Date: Wed Mar 25 2026 - 15:00:30 EST
Hi Lakshay,
kernel test robot noticed the following build errors:
[auto build test ERROR on broonie-regulator/for-next]
[also build test ERROR on linus/master v7.0-rc5 next-20260324]
[cannot apply to i3c/i3c/next lee-mfd/for-mfd-next lee-mfd/for-mfd-fixes]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Lakshay-Piplani/i3c-master-Expose-the-APIs-to-support-I3C-hub/20260325-150847
base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git for-next
patch link: https://lore.kernel.org/r/20260323062737.886728-8-lakshay.piplani%40nxp.com
patch subject: [PATCH v8 7/7] i3c: hub: p3h2x4x: Add support for NXP P3H2x4x I3C hub functionality
config: um-randconfig-002-20260326 (https://download.01.org/0day-ci/archive/20260326/202603260207.uKW7MqMC-lkp@xxxxxxxxx/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260326/202603260207.uKW7MqMC-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603260207.uKW7MqMC-lkp@xxxxxxxxx/
All error/warnings (new ones prefixed by >>):
>> drivers/i3c/hub/p3h2840_i3c_hub_smbus.c:357:10: error: 'struct i2c_algorithm' has no member named 'reg_slave'
357 | .reg_slave = p3h2x4x_tp_i2c_reg_slave,
| ^~~~~~~~~
>> drivers/i3c/hub/p3h2840_i3c_hub_smbus.c:357:22: error: initialization of 'int (*)(struct i2c_adapter *, struct i2c_msg *, int)' from incompatible pointer type 'int (*)(struct i2c_client *)' [-Wincompatible-pointer-types]
357 | .reg_slave = p3h2x4x_tp_i2c_reg_slave,
| ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/i3c/hub/p3h2840_i3c_hub_smbus.c:357:22: note: (near initialization for 'p3h2x4x_tp_i2c_algorithm.<anonymous>.xfer_atomic')
>> drivers/i3c/hub/p3h2840_i3c_hub_smbus.c:358:10: error: 'struct i2c_algorithm' has no member named 'unreg_slave'
358 | .unreg_slave = p3h2x4x_tp_i2c_unreg_slave,
| ^~~~~~~~~~~
>> drivers/i3c/hub/p3h2840_i3c_hub_smbus.c:358:24: error: initialization of 'int (*)(struct i2c_adapter *, u16, short unsigned int, char, u8, int, union i2c_smbus_data *)' {aka 'int (*)(struct i2c_adapter *, short unsigned int, short unsigned int, char, unsigned char, int, union i2c_smbus_data *)'} from incompatible pointer type 'int (*)(struct i2c_client *)' [-Wincompatible-pointer-types]
358 | .unreg_slave = p3h2x4x_tp_i2c_unreg_slave,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/i3c/hub/p3h2840_i3c_hub_smbus.c:358:24: note: (near initialization for 'p3h2x4x_tp_i2c_algorithm.smbus_xfer')
>> drivers/i3c/hub/p3h2840_i3c_hub_smbus.c:355:56: warning: missing braces around initializer [-Wmissing-braces]
355 | static struct i2c_algorithm p3h2x4x_tp_i2c_algorithm = {
| ^
356 | .master_xfer = p3h2x4x_tp_i2c_xfer,
| }
357 | .reg_slave = p3h2x4x_tp_i2c_reg_slave,
| { }
vim +357 drivers/i3c/hub/p3h2840_i3c_hub_smbus.c
351
352 /*
353 * I2C algorithm Structure
354 */
> 355 static struct i2c_algorithm p3h2x4x_tp_i2c_algorithm = {
356 .master_xfer = p3h2x4x_tp_i2c_xfer,
> 357 .reg_slave = p3h2x4x_tp_i2c_reg_slave,
> 358 .unreg_slave = p3h2x4x_tp_i2c_unreg_slave,
359 .functionality = p3h2x4x_tp_smbus_funcs,
360 };
361
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