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iwlwifi: pcie: recognize NICs with hw_rev 0x364 correctly

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Some devices with PCI ID 0x2723, which is supposed to be 22260, are
actually not.  So we need to differentiate them by checking the hw_rev
and change the cfg accordingly.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Luca Coelho
2018-10-02 11:42:28 +03:00
parent 8093bb6d4f
commit 99be6166a4
2 changed files with 5 additions and 1 deletions
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1
drivers/net/wireless/intel/iwlwifi/iwl-csr.h
View File

@@ -325,6 +325,7 @@ enum {
#define CSR_HW_REV_TYPE_7265D (0x0000210)
#define CSR_HW_REV_TYPE_NONE (0x00001F0)
#define CSR_HW_REV_TYPE_QNJ (0x0000360)
#define CSR_HW_REV_TYPE_QNJ_B0 (0x0000364)
#define CSR_HW_REV_TYPE_HR_CDB (0x0000340)
/* RF_ID value */

5
drivers/net/wireless/intel/iwlwifi/pcie/trans.c
View File

@@ -3569,6 +3569,8 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
}
}
IWL_DEBUG_INFO(trans, "HW REV: 0x%0x\n", trans->hw_rev);
/*
* 9000-series integrated A-step has a problem with suspend/resume
* and sometimes even causes the whole platform to get stuck. This
@@ -3603,7 +3605,8 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
}
} else if (CSR_HW_RF_ID_TYPE_CHIP_ID(trans->hw_rf_id) ==
CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR) &&
trans->cfg != &iwl22260_2ax_cfg) {
(trans->cfg != &iwl22260_2ax_cfg ||
trans->hw_rev == CSR_HW_REV_TYPE_QNJ_B0)) {
u32 hw_status;
hw_status = iwl_read_prph(trans, UMAG_GEN_HW_STATUS);