diff options
| author | Raag Jadav <raag.jadav@intel.com> | 2026-07-21 17:04:38 +0530 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2026-07-22 09:20:11 -0700 |
| commit | a79f6abc8b516b5bd906e2eca8121e3549ee163f (patch) | |
| tree | d82fde54fc915f52d927eaafe5f825125d8d3050 | |
| parent | 1ae415a6eefe5004954a1d352b1718faca8844ef (diff) | |
| download | linux-next-a79f6abc8b516b5bd906e2eca8121e3549ee163f.tar.gz linux-next-a79f6abc8b516b5bd906e2eca8121e3549ee163f.zip | |
drm/xe/i2c: Allow per domain unique id
PCI bus, device and function can be same for devices existing across
different domains. Allow per domain unique identifier while registering
platform device to prevent name conflict.
Fixes: f0e53aadd702 ("drm/xe: Support for I2C attached MCUs")
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://patch.msgid.link/20260721113438.651100-1-raag.jadav@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
| -rw-r--r-- | drivers/gpu/drm/xe/xe_i2c.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_i2c.c b/drivers/gpu/drm/xe/xe_i2c.c index bd956776b10b..a26c38bb17a1 100644 --- a/drivers/gpu/drm/xe/xe_i2c.c +++ b/drivers/gpu/drm/xe/xe_i2c.c @@ -95,18 +95,21 @@ static int xe_i2c_register_adapter(struct xe_i2c *i2c) struct platform_device *pdev; struct fwnode_handle *fwnode; int ret; + u32 id; fwnode = fwnode_create_software_node(xe_i2c_adapter_properties, NULL); if (IS_ERR(fwnode)) return PTR_ERR(fwnode); + id = (pci_domain_nr(pci->bus) << 16) | pci_dev_id(pci); + /* * Not using platform_device_register_full() here because we don't have * a handle to the platform_device before it returns. xe_i2c_notifier() * uses that handle, but it may be called before * platform_device_register_full() is done. */ - pdev = platform_device_alloc(adapter_name, pci_dev_id(pci)); + pdev = platform_device_alloc(adapter_name, id); if (!pdev) { ret = -ENOMEM; goto err_fwnode_remove; |