summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/intel/iwlwifi
diff options
context:
space:
mode:
authorJohannes Berg <johannes.berg@intel.com>2022-12-14 00:15:04 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-24 09:24:30 +0300
commit77043645aa6c5f8b388c2d99b5f3164307acf448 (patch)
tree14bc06f6b9fb994403ec092c5bec49afd35936aa /drivers/net/wireless/intel/iwlwifi
parentd1607059375d5a3926ba73d00010ea1d96bbd0cc (diff)
downloadlinux-77043645aa6c5f8b388c2d99b5f3164307acf448.tar.xz
wifi: iwlwifi: fw: skip PPAG for JF
[ Upstream commit 1c4c0b28b517d778d37900deedfe91088839f07a ] For JF RFs we don't support PPAG, but many firmware images lie about it. Always skip support for JF to avoid firmware errors when sending the command. Reported-and-tested-by: Íñigo Huguet <ihuguet@redhat.com> Link: https://lore.kernel.org/linux-wireless/CACT4oufQsqHGp6bah2c4+jPn2wG1oZqY=UKa_TmPx=F6Lxng8Q@mail.gmail.com Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20221213225723.2a43415d8990.I9ac210740a45b41f1b2e15274e1daf4284f2808a@changeid Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/acpi.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
index e6d64152c81a..a02e5a67b706 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
@@ -1106,6 +1106,11 @@ int iwl_read_ppag_table(struct iwl_fw_runtime *fwrt, union iwl_ppag_table_cmd *c
int i, j, num_sub_bands;
s8 *gain;
+ /* many firmware images for JF lie about this */
+ if (CSR_HW_RFID_TYPE(fwrt->trans->hw_rf_id) ==
+ CSR_HW_RFID_TYPE(CSR_HW_RF_ID_TYPE_JF))
+ return -EOPNOTSUPP;
+
if (!fw_has_capa(&fwrt->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) {
IWL_DEBUG_RADIO(fwrt,
"PPAG capability not supported by FW, command not sent.\n");