diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2021-08-02 21:58:52 +0300 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2021-08-26 23:34:25 +0300 |
| commit | 6c0795f1a52410f2dccc63cd0993ae1a38856c77 (patch) | |
| tree | ab5932b17f2d66f596267c9cbcf43d215e8971af /drivers/net | |
| parent | 9ce041f5966fd07a4326b81add4ae472400351cd (diff) | |
iwlwifi: implement Bz NMI behaviour
The method to NMI the firmware also changed in Bz devices,
implement the new logic.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210802215208.c9bd2034dc05.I983c25caa09c3776c7640fff73fe739362ecc5b6@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-csr.h | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-io.c | 5 |
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h index 704ff2ada122..cf796403c45c 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h @@ -104,6 +104,10 @@ /* GIO Chicken Bits (PCI Express bus link power management) */ #define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100) +/* Doorbell NMI (since Bz) */ +#define CSR_DOORBELL_VECTOR (CSR_BASE + 0x130) +#define CSR_DOORBELL_VECTOR_NMI BIT(1) + /* host chicken bits */ #define CSR_HOST_CHICKEN (CSR_BASE + 0x204) #define CSR_HOST_CHICKEN_PM_IDLE_SRC_DIS_SB_PME BIT(19) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-io.c b/drivers/net/wireless/intel/iwlwifi/iwl-io.c index dba54b3297d1..2517c4ae07ab 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-io.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-io.c @@ -213,9 +213,12 @@ void iwl_force_nmi(struct iwl_trans *trans) else if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210) iwl_write_umac_prph(trans, UREG_NIC_SET_NMI_DRIVER, UREG_NIC_SET_NMI_DRIVER_NMI_FROM_DRIVER); - else + else if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_BZ) iwl_write_umac_prph(trans, UREG_DOORBELL_TO_ISR6, UREG_DOORBELL_TO_ISR6_NMI_BIT); + else + iwl_write32(trans, CSR_DOORBELL_VECTOR, + CSR_DOORBELL_VECTOR_NMI); } IWL_EXPORT_SYMBOL(iwl_force_nmi); |