From: Johannes Berg <johannes.berg@xxxxxxxxx> The method to NMI the firmware also changed in Bz devices, implement the new logic. Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx> --- drivers/net/wireless/intel/iwlwifi/iwl-csr.h | 4 ++++ drivers/net/wireless/intel/iwlwifi/iwl-io.c | 5 ++++- 2 files changed, 8 insertions(+), 1 deletion(-) 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); -- 2.32.0
