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wifi: iwlwifi: fw: skip PPAG for JF

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[ Upstream commit 1c4c0b28b5 ]

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>
This commit is contained in:
Johannes Berg 2022-12-13 23:15:04 +02:00 committed by Greg Kroah-Hartman
parent d160705937
commit 77043645aa
1 changed files with 5 additions and 0 deletions
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5
drivers/net/wireless/intel/iwlwifi/fw/acpi.c
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@ -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");