From fabddb0267607d483408308d113ec8599038ec04 Mon Sep 17 00:00:00 2001 From: Pagadala Yesu Anjaneyulu Date: Sun, 11 May 2025 19:53:08 +0300 Subject: [PATCH] wifi: iwlwifi: Add helper function to extract device ID 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 Signed-off-by: Miri Korenblit Link: https://patch.msgid.link/20250511195137.4411402701f2.I81cde20de05e3bb993977f8d4bbf90707819347f@changeid --- drivers/net/wireless/intel/iwlwifi/iwl-trans.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index d76caf5bf4c95..57a7747c92c44 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -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__ */ -- 2.47.2