Rmys
47 lines
1.9 KiB
Diff
47 lines
1.9 KiB
Diff
From 5b16c1aaae72edd3f895da027a532ee6a740df7b Mon Sep 17 00:00:00 2001
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From: Sasha Levin <sashal@kernel.org>
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Date: Tue, 13 Dec 2022 23:15:04 +0200
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Subject: wifi: iwlwifi: fw: skip PPAG for JF
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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From: Johannes Berg <johannes.berg@intel.com>
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[ Upstream commit 1c4c0b28b517d778d37900deedfe91088839f07a ]
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For JF RFs we don't support PPAG, but many firmware
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images lie about it. Always skip support for JF to
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avoid firmware errors when sending the command.
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Reported-and-tested-by: Íñigo Huguet <ihuguet@redhat.com>
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Link: https://lore.kernel.org/linux-wireless/CACT4oufQsqHGp6bah2c4+jPn2wG1oZqY=UKa_TmPx=F6Lxng8Q@mail.gmail.com
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Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
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Signed-off-by: Kalle Valo <kvalo@kernel.org>
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Link: https://lore.kernel.org/r/20221213225723.2a43415d8990.I9ac210740a45b41f1b2e15274e1daf4284f2808a@changeid
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Signed-off-by: Sasha Levin <sashal@kernel.org>
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---
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drivers/net/wireless/intel/iwlwifi/fw/acpi.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
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index e6d64152c81a..a02e5a67b706 100644
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--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
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+++ b/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
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int i, j, num_sub_bands;
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s8 *gain;
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+ /* many firmware images for JF lie about this */
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+ if (CSR_HW_RFID_TYPE(fwrt->trans->hw_rf_id) ==
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+ CSR_HW_RFID_TYPE(CSR_HW_RF_ID_TYPE_JF))
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+ return -EOPNOTSUPP;
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+
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if (!fw_has_capa(&fwrt->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) {
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IWL_DEBUG_RADIO(fwrt,
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"PPAG capability not supported by FW, command not sent.\n");
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--
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2.35.1
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