diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2024-07-29 20:20:06 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-08-27 10:14:26 +0200 |
| commit | 70d400ba7fa71d19481faf81db9483432ed1e084 (patch) | |
| tree | ea493a690d09fd547cdfc15bf031cea8e6a7d16f | |
| parent | 4f1591d292277eec51d027405a92f0d4ef5e299e (diff) | |
wifi: iwlwifi: pcie: print function scratch before writing
We may want to know the value of this register for certain
debug scenarios before we overwrite it, it indicates which
parts of the chip have recently been reset.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240729201718.737e5f8bb8df.Ia3f3637ac4a0fb4b35ffd652f92eb75de652ee12@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c index 18dda89b7985..8903a5692dfb 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c @@ -526,6 +526,8 @@ int iwl_trans_pcie_gen2_start_fw(struct iwl_trans *trans, keep_ram_busy = !iwl_pcie_set_ltr(trans); if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) { + IWL_DEBUG_POWER(trans, "function scratch register value is 0x%08x\n", + iwl_read32(trans, CSR_FUNC_SCRATCH)); iwl_write32(trans, CSR_FUNC_SCRATCH, CSR_FUNC_SCRATCH_INIT_VALUE); iwl_set_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_ROM_START); |