From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1E8AC4338F for ; Tue, 24 Aug 2021 00:56:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ACBA961165 for ; Tue, 24 Aug 2021 00:56:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233622AbhHXA5H (ORCPT ); Mon, 23 Aug 2021 20:57:07 -0400 Received: from mail.kernel.org ([198.145.29.99]:48168 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234219AbhHXAzT (ORCPT ); Mon, 23 Aug 2021 20:55:19 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C688261406; Tue, 24 Aug 2021 00:54:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1629766474; bh=3FEbFjT3yU9J6PMogKjc+hEPRYy3y/390wSZa2VRkU4=; h=From:To:Cc:Subject:Date:From; b=VK232pEgOfDO0ObZOIpYDw2staA9R1Klg3/9W1LZVgrcg6004cCpVzcut0SzmqFFN ipOIV/iBrfykvaGPmR0DSZzoVy5Tg3FFtJOiB1sLPeTlgsKMXbSy5mQ9LaXQNxWuj1 mZ/lfqRzYqE+jaVEsep8H3NW0M3PRFqVQ6Nu4iFRPA6uQ+8QIbjJQWY18wNjrc5zVv hiy7n9Z0HpRjMnPjaqRDLKdzSc9qDx+4NMqYF8JgR5yY21TnreHff3RjrLl31WKJ+N KIM0LHBqHWbTZO5PZ86kWw8dKVBjGj0OutKgMTetYjgDkEAX5J0Vrw5XZTxtyK4pym lXwLz6YyuAw5Q== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Johannes Berg , Kalle Valo , Sasha Levin , linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 5.10 01/18] iwlwifi: pnvm: accept multiple HW-type TLVs Date: Mon, 23 Aug 2021 20:54:15 -0400 Message-Id: <20210824005432.631154-1-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Johannes Berg [ Upstream commit 0f673c16c850250db386537a422c11d248fb123c ] Some products (So) may have two different types of products with different mac-type that are otherwise equivalent, and have the same PNVM data, so the PNVM file will contain two (or perhaps later more) HW-type TLVs. Accept the file and use the data section that contains any matching entry. Signed-off-by: Johannes Berg Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20210719140154.a6a86e903035.Ic0b1b75c45d386698859f251518e8a5144431938@changeid Signed-off-by: Sasha Levin --- drivers/net/wireless/intel/iwlwifi/fw/pnvm.c | 25 +++++++++++++------- 1 file changed, 16 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c index 37ce4fe136c5..cdea741be6f6 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c @@ -38,6 +38,7 @@ static int iwl_pnvm_handle_section(struct iwl_trans *trans, const u8 *data, u32 sha1 = 0; u16 mac_type = 0, rf_id = 0; u8 *pnvm_data = NULL, *tmp; + bool hw_match = false; u32 size = 0; int ret; @@ -84,6 +85,9 @@ static int iwl_pnvm_handle_section(struct iwl_trans *trans, const u8 *data, break; } + if (hw_match) + break; + mac_type = le16_to_cpup((__le16 *)data); rf_id = le16_to_cpup((__le16 *)(data + sizeof(__le16))); @@ -91,15 +95,9 @@ static int iwl_pnvm_handle_section(struct iwl_trans *trans, const u8 *data, "Got IWL_UCODE_TLV_HW_TYPE mac_type 0x%0x rf_id 0x%0x\n", mac_type, rf_id); - if (mac_type != CSR_HW_REV_TYPE(trans->hw_rev) || - rf_id != CSR_HW_RFID_TYPE(trans->hw_rf_id)) { - IWL_DEBUG_FW(trans, - "HW mismatch, skipping PNVM section, mac_type 0x%0x, rf_id 0x%0x.\n", - CSR_HW_REV_TYPE(trans->hw_rev), trans->hw_rf_id); - ret = -ENOENT; - goto out; - } - + if (mac_type == CSR_HW_REV_TYPE(trans->hw_rev) && + rf_id == CSR_HW_RFID_TYPE(trans->hw_rf_id)) + hw_match = true; break; case IWL_UCODE_TLV_SEC_RT: { struct iwl_pnvm_section *section = (void *)data; @@ -150,6 +148,15 @@ static int iwl_pnvm_handle_section(struct iwl_trans *trans, const u8 *data, } done: + if (!hw_match) { + IWL_DEBUG_FW(trans, + "HW mismatch, skipping PNVM section (need mac_type 0x%x rf_id 0x%x)\n", + CSR_HW_REV_TYPE(trans->hw_rev), + CSR_HW_RFID_TYPE(trans->hw_rf_id)); + ret = -ENOENT; + goto out; + } + if (!size) { IWL_DEBUG_FW(trans, "Empty PNVM, skipping.\n"); ret = -ENOENT; -- 2.30.2