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path: root/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/fw.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw.c39
1 files changed, 37 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 313e9f106f46..6a6567a7372b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -6,6 +6,7 @@
*/
#include <net/mac80211.h>
#include <linux/netdevice.h>
+#include <linux/dmi.h>
#include "iwl-trans.h"
#include "iwl-op-mode.h"
@@ -633,6 +634,8 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm)
iwl_wait_phy_db_entry,
mvm->phy_db);
+ iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
+
/* Will also start the device */
ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
if (ret) {
@@ -997,6 +1000,8 @@ int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
return 0;
}
+ ppag_table.v1.enabled = mvm->fwrt.ppag_table.v1.enabled;
+
cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, PHY_OPS_GROUP,
PER_PLATFORM_ANT_GAIN_CMD,
IWL_FW_CMD_VER_UNKNOWN);
@@ -1039,6 +1044,29 @@ int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
return ret;
}
+static const struct dmi_system_id dmi_ppag_approved_list[] = {
+ { .ident = "HP",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "HP"),
+ },
+ },
+ { .ident = "SAMSUNG",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD"),
+ },
+ },
+ { .ident = "MSFT",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+ },
+ },
+ { .ident = "ASUS",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTek COMPUTER INC."),
+ },
+ },
+};
+
static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
{
int ret;
@@ -1050,6 +1078,15 @@ static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
ret);
return 0;
}
+
+ if (!dmi_check_system(dmi_ppag_approved_list)) {
+ IWL_DEBUG_RADIO(mvm,
+ "System vendor '%s' is not in the approved list, disabling PPAG.\n",
+ dmi_get_system_info(DMI_SYS_VENDOR));
+ mvm->fwrt.ppag_table.v1.enabled = cpu_to_le32(0);
+ return 0;
+ }
+
return iwl_mvm_ppag_send_cmd(mvm);
}
@@ -1315,8 +1352,6 @@ static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
if (ret)
return ret;
- iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
-
mvm->rfkill_safe_init_done = false;
ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
if (ret)