diff options
| author | Matti Gottlieb <matti.gottlieb@intel.com> | 2022-02-04 12:25:05 +0200 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2022-02-18 10:40:53 +0200 |
| commit | fba58d37691063848beaf5dfa99b009c0148933b (patch) | |
| tree | 4de08a431cdbe065494084ce965d58f7ad89aac3 /drivers/net/wireless/intel/iwlwifi | |
| parent | 5d19e2087fea28651eff7eadf4510fa1564688a2 (diff) | |
iwlwifi: pcie: Adapt rx queue write pointer for Bz family
Adapt rx queue write pointer for Bz family.
The register has moved to the same one as Tx.
Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20220204122220.57bd62a4365c.I873aa9b3d13abf5633a4963c55c3a09a833254f0@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-csr.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/rx.c | 9 |
2 files changed, 9 insertions, 3 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h index f90d4662c164..c0a18e820b51 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h @@ -533,6 +533,9 @@ enum { * 11-8: queue selector */ #define HBUS_TARG_WRPTR (HBUS_BASE+0x060) +/* This register is common for Tx and Rx, Rx queues start from 512 */ +#define HBUS_TARG_WRPTR_Q_SHIFT (16) +#define HBUS_TARG_WRPTR_RX_Q(q) (((q) + 512) << HBUS_TARG_WRPTR_Q_SHIFT) /********************************************************** * CSR values diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index 331c1a059183..71db571a42e0 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -190,11 +190,14 @@ static void iwl_pcie_rxq_inc_wr_ptr(struct iwl_trans *trans, } rxq->write_actual = round_down(rxq->write, 8); - if (trans->trans_cfg->mq_rx_supported) + if (!trans->trans_cfg->mq_rx_supported) + iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, rxq->write_actual); + else if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) + iwl_write32(trans, HBUS_TARG_WRPTR, rxq->write_actual | + HBUS_TARG_WRPTR_RX_Q(rxq->id)); + else iwl_write32(trans, RFH_Q_FRBDCB_WIDX_TRG(rxq->id), rxq->write_actual); - else - iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, rxq->write_actual); } static void iwl_pcie_rxq_check_wrptr(struct iwl_trans *trans) |