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wifi: iwlwifi: Add helper function to extract device ID

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Add iwl_trans_get_device_id() to extract the device ID
from the hw_id member in the iwl_trans structure.
hw_id member contains both sub-device ID and device ID,
with the device ID occupying bits 16 to 31.

Signed-off-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250511195137.4411402701f2.I81cde20de05e3bb993977f8d4bbf90707819347f@changeid
This commit is contained in:
Pagadala Yesu Anjaneyulu 2025-05-11 19:53:08 +03:00 committed by Miri Korenblit
parent 691f1f69ba
commit fabddb0267
1 changed files with 7 additions and 0 deletions
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7
drivers/net/wireless/intel/iwlwifi/iwl-trans.h
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@ -832,6 +832,8 @@ struct iwl_txq {
* @hw_crf_id: the device CRF ID
* @hw_wfpm_id: the device wfpm ID
* @hw_id: the ID of the device / sub-device
* Bits 0:15 represent the sub-device ID
* Bits 16:31 represent the device ID.
* @pcie_link_speed: current PCIe link speed (%PCI_EXP_LNKSTA_CLS_*),
* only valid for discrete (not integrated) NICs
* @num_rxqs: number of RX queues allocated by the transport
@ -1263,4 +1265,9 @@ static inline void iwl_trans_set_info(struct iwl_trans *trans,
*write = *info;
}
static inline u16 iwl_trans_get_device_id(struct iwl_trans *trans)
{
return u32_get_bits(trans->info.hw_id, GENMASK(31, 16));
}
#endif /* __iwl_trans_h__ */