From: Mukesh Sisodiya <mukesh.sisodiya@xxxxxxxxx>
Disable IMR region if it is enabled in the TLVs,
but disabled at runtime by the FW.
Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@xxxxxxxxx>
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
---
drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 23 +++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index a178b83ee8a2..f4de8250696f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -124,6 +124,7 @@ static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
u32 lmac_error_event_table, umac_error_table;
u32 version = iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
UCODE_ALIVE_NTFY, 0);
+ u32 i;
if (version == 6) {
struct iwl_alive_ntf_v6 *palive;
@@ -146,6 +147,28 @@ static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
mvm->trans->dbg.imr_data.imr_enable,
mvm->trans->dbg.imr_data.imr_size,
le64_to_cpu(mvm->trans->dbg.imr_data.imr_base_addr));
+
+ if (!mvm->trans->dbg.imr_data.imr_enable) {
+ for (i = 0; i < ARRAY_SIZE(mvm->trans->dbg.active_regions); i++) {
+ struct iwl_ucode_tlv *reg_tlv;
+ struct iwl_fw_ini_region_tlv *reg;
+
+ reg_tlv = mvm->trans->dbg.active_regions[i];
+ if (!reg_tlv)
+ continue;
+
+ reg = (void *)reg_tlv->data;
+ /*
+ * We have only one DRAM IMR region, so we
+ * can break as soon as we find the first
+ * one.
+ */
+ if (reg->type == IWL_FW_INI_REGION_DRAM_IMR) {
+ mvm->trans->dbg.unsupported_region_msk |= BIT(i);
+ break;
+ }
+ }
+ }
}
if (version >= 5) {
--
2.35.1
