Re: [PATCH 7/9] vdpa: rename dma_dev to map_token

[kernel test robot <lkp@intel.com>]

Hi Jason,

kernel test robot noticed the following build errors:

[auto build test ERROR on mst-vhost/linux-next]
[also build test ERROR on linus/master v6.16-rc4 next-20250701]
[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/Jason-Wang/virtio_ring-constify-virtqueue-pointer-for-DMA-helpers/20250701-091746
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
patch link:    https://lore.kernel.org/r/20250701011401.74851-8-jasowang%40redhat.com
patch subject: [PATCH 7/9] vdpa: rename dma_dev to map_token
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20250702/202507020521.PEt0EuaY-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250702/202507020521.PEt0EuaY-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507020521.PEt0EuaY-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   drivers/vdpa/mlx5/net/mlx5_vnet.c: In function 'mlx5_get_vq_dma_dev':
   drivers/vdpa/mlx5/net/mlx5_vnet.c:3405:28: error: 'struct vdpa_device' has no member named 'dma_dev'; did you mean 'mdev'?
    3405 |         return mvdev->vdev.dma_dev;
         |                            ^~~~~~~
         |                            mdev
   drivers/vdpa/mlx5/net/mlx5_vnet.c: At top level:
   drivers/vdpa/mlx5/net/mlx5_vnet.c:3687:10: error: 'const struct vdpa_config_ops' has no member named 'get_vq_dma_dev'; did you mean 'get_vq_ready'?
    3687 |         .get_vq_dma_dev = mlx5_get_vq_dma_dev,
         |          ^~~~~~~~~~~~~~
         |          get_vq_ready
>> drivers/vdpa/mlx5/net/mlx5_vnet.c:3687:27: error: positional initialization of field in 'struct' declared with 'designated_init' attribute [-Werror=designated-init]
    3687 |         .get_vq_dma_dev = mlx5_get_vq_dma_dev,
         |                           ^~~~~~~~~~~~~~~~~~~
   drivers/vdpa/mlx5/net/mlx5_vnet.c:3687:27: note: (near initialization for 'mlx5_vdpa_ops')
   drivers/vdpa/mlx5/net/mlx5_vnet.c:3687:27: error: initialization of 'void (*)(struct vdpa_device *)' from incompatible pointer type 'struct device * (*)(struct vdpa_device *, u16)' {aka 'struct device * (*)(struct vdpa_device *, short unsigned int)'} [-Werror=incompatible-pointer-types]
   drivers/vdpa/mlx5/net/mlx5_vnet.c:3687:27: note: (near initialization for 'mlx5_vdpa_ops.unbind_mm')
   drivers/vdpa/mlx5/net/mlx5_vnet.c: In function 'mlx5_vdpa_dev_add':
   drivers/vdpa/mlx5/net/mlx5_vnet.c:3966:21: error: 'struct vdpa_device' has no member named 'dma_dev'; did you mean 'mdev'?
    3966 |         mvdev->vdev.dma_dev = &mdev->pdev->dev;
         |                     ^~~~~~~
         |                     mdev
   drivers/vdpa/mlx5/net/mlx5_vnet.c: In function 'mlx5_get_vq_dma_dev':
>> drivers/vdpa/mlx5/net/mlx5_vnet.c:3406:1: warning: control reaches end of non-void function [-Wreturn-type]
    3406 | }
         | ^
   cc1: some warnings being treated as errors


vim +3687 drivers/vdpa/mlx5/net/mlx5_vnet.c

8fcd20c307042b Eli Cohen          2022-07-14  3652  
1a86b377aa2147 Eli Cohen          2020-08-04  3653  static const struct vdpa_config_ops mlx5_vdpa_ops = {
1a86b377aa2147 Eli Cohen          2020-08-04  3654  	.set_vq_address = mlx5_vdpa_set_vq_address,
1a86b377aa2147 Eli Cohen          2020-08-04  3655  	.set_vq_num = mlx5_vdpa_set_vq_num,
1a86b377aa2147 Eli Cohen          2020-08-04  3656  	.kick_vq = mlx5_vdpa_kick_vq,
1a86b377aa2147 Eli Cohen          2020-08-04  3657  	.set_vq_cb = mlx5_vdpa_set_vq_cb,
1a86b377aa2147 Eli Cohen          2020-08-04  3658  	.set_vq_ready = mlx5_vdpa_set_vq_ready,
1a86b377aa2147 Eli Cohen          2020-08-04  3659  	.get_vq_ready = mlx5_vdpa_get_vq_ready,
1a86b377aa2147 Eli Cohen          2020-08-04  3660  	.set_vq_state = mlx5_vdpa_set_vq_state,
1a86b377aa2147 Eli Cohen          2020-08-04  3661  	.get_vq_state = mlx5_vdpa_get_vq_state,
1892a3d425bf52 Eli Cohen          2022-05-18  3662  	.get_vendor_vq_stats = mlx5_vdpa_get_vendor_vq_stats,
1a86b377aa2147 Eli Cohen          2020-08-04  3663  	.get_vq_notification = mlx5_get_vq_notification,
1a86b377aa2147 Eli Cohen          2020-08-04  3664  	.get_vq_irq = mlx5_get_vq_irq,
1a86b377aa2147 Eli Cohen          2020-08-04  3665  	.get_vq_align = mlx5_vdpa_get_vq_align,
d4821902e43453 Gautam Dawar       2022-03-30  3666  	.get_vq_group = mlx5_vdpa_get_vq_group,
03dd63c8fae459 Dragos Tatulea     2023-10-18  3667  	.get_vq_desc_group = mlx5_vdpa_get_vq_desc_group, /* Op disabled if not supported. */
a64917bc2e9b1e Eli Cohen          2022-01-05  3668  	.get_device_features = mlx5_vdpa_get_device_features,
c695964474f3a8 Eugenio Pérez      2023-07-03  3669  	.get_backend_features = mlx5_vdpa_get_backend_features,
a64917bc2e9b1e Eli Cohen          2022-01-05  3670  	.set_driver_features = mlx5_vdpa_set_driver_features,
a64917bc2e9b1e Eli Cohen          2022-01-05  3671  	.get_driver_features = mlx5_vdpa_get_driver_features,
1a86b377aa2147 Eli Cohen          2020-08-04  3672  	.set_config_cb = mlx5_vdpa_set_config_cb,
1a86b377aa2147 Eli Cohen          2020-08-04  3673  	.get_vq_num_max = mlx5_vdpa_get_vq_num_max,
1a86b377aa2147 Eli Cohen          2020-08-04  3674  	.get_device_id = mlx5_vdpa_get_device_id,
1a86b377aa2147 Eli Cohen          2020-08-04  3675  	.get_vendor_id = mlx5_vdpa_get_vendor_id,
1a86b377aa2147 Eli Cohen          2020-08-04  3676  	.get_status = mlx5_vdpa_get_status,
1a86b377aa2147 Eli Cohen          2020-08-04  3677  	.set_status = mlx5_vdpa_set_status,
0686082dbf7a20 Xie Yongji         2021-08-31  3678  	.reset = mlx5_vdpa_reset,
2eacf4b5e3ebe7 Si-Wei Liu         2023-10-21  3679  	.compat_reset = mlx5_vdpa_compat_reset,
442706f9f94d28 Stefano Garzarella 2021-03-15  3680  	.get_config_size = mlx5_vdpa_get_config_size,
1a86b377aa2147 Eli Cohen          2020-08-04  3681  	.get_config = mlx5_vdpa_get_config,
1a86b377aa2147 Eli Cohen          2020-08-04  3682  	.set_config = mlx5_vdpa_set_config,
1a86b377aa2147 Eli Cohen          2020-08-04  3683  	.get_generation = mlx5_vdpa_get_generation,
1a86b377aa2147 Eli Cohen          2020-08-04  3684  	.set_map = mlx5_vdpa_set_map,
2eacf4b5e3ebe7 Si-Wei Liu         2023-10-21  3685  	.reset_map = mlx5_vdpa_reset_map,
8fcd20c307042b Eli Cohen          2022-07-14  3686  	.set_group_asid = mlx5_set_group_asid,
36871fb92b7059 Jason Wang         2023-01-19 @3687  	.get_vq_dma_dev = mlx5_get_vq_dma_dev,
1a86b377aa2147 Eli Cohen          2020-08-04  3688  	.free = mlx5_vdpa_free,
cae15c2ed8e6e0 Eli Cohen          2022-07-14  3689  	.suspend = mlx5_vdpa_suspend,
145096937b8a6a Dragos Tatulea     2023-12-25  3690  	.resume = mlx5_vdpa_resume, /* Op disabled if not supported. */
1a86b377aa2147 Eli Cohen          2020-08-04  3691  };
1a86b377aa2147 Eli Cohen          2020-08-04  3692  

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