From patchwork Thu Feb 11 01:08:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luiz Augusto von Dentz X-Patchwork-Id: 12082111 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 4DBFFC433E6 for ; Thu, 11 Feb 2021 01:09:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 13E4A64ED0 for ; Thu, 11 Feb 2021 01:09:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230289AbhBKBJq (ORCPT ); Wed, 10 Feb 2021 20:09:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38490 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230110AbhBKBJp (ORCPT ); Wed, 10 Feb 2021 20:09:45 -0500 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C43CFC061756 for ; Wed, 10 Feb 2021 17:09:04 -0800 (PST) Received: by mail-pl1-x62d.google.com with SMTP id g3so2304374plp.2 for ; Wed, 10 Feb 2021 17:09:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=mTjBt/XnE1W+jtw6ImQSIxEOt2sigVYedU36AnvujDw=; b=WRJp4LZUDdEqLglFe0DWHt3nAXftlpN3fD9+MNFZe8n4R5qoSRnX0PMRC4G3Hxbnlt OKvPSSC/7ZuzSFXhSSYDUEZFroSidMaydSJS8tEeOZzJBV91Q7V5vJN+vfOTOti4/8bO A6rV+QIC75Sew1z4+3dmqD5/hLwwogMrDSPwpoUk7XLzAm6VpaFzzaZ6FTEoSlfz22/W l2mwT9bIlgBBh42bA6txf9VW+9dquV0VkLAXVmM+R+Uanfb7EJdiDT9kqMJf1R2DjOsz rYNjfkZpa9sg5DoicJciezWh9LVBiVgFhbbvUhUMTOyI7miSn9fpZ3TrqvvPpp9ZDAbK YldA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=mTjBt/XnE1W+jtw6ImQSIxEOt2sigVYedU36AnvujDw=; b=G5xaQZCCqen9oOKhsIdXkUfaB6MNRF7JSeqLyJGR8T8yneiujB9+MOlnRAKqwBebRN Cmg0UsPTqiT2gJdFXy1kx1Apz0AV8ircZO7e5d/o2HkL4YXCKxtnfFnV2lxChHuIscM5 VEr9Tq+9mplFPvVm2sQjGAf5SU5++QQYC0aTOeJDUqJdP3cpt6J/H+eWO1dNpOPRfhgf phjQydJE1zPycXQY1SX4mPyGClvQG2DZMcH8AIk11RKeiuJ9SGxOaH+MJzrTZUDI5FdR pBj6SEYWRDBJkKct3EWu1+jE0I+kt9JXtYNuLC1i6bolz7veH58peyspXXR799FYC/Ha dKjA== X-Gm-Message-State: AOAM530Qp3Hyi4Zgax3LvxwV1Y8OCLUCtL8UGwMhWh5ka9ndkeu/1Hpl jpEJNQcGywHbz4yBgfigBsBzT7uHnNoNKg== X-Google-Smtp-Source: ABdhPJyAdgi1CvktjtUgqohLUhqoq87DslAe5bYVNOYs1RB4S4VPgngbzsJOXvxsCLZ2aRxkKwVgmw== X-Received: by 2002:a17:90a:5d93:: with SMTP id t19mr1518820pji.79.1613005744077; Wed, 10 Feb 2021 17:09:04 -0800 (PST) Received: from lvondent-mobl4.intel.com (c-71-56-157-77.hsd1.or.comcast.net. [71.56.157.77]) by smtp.gmail.com with ESMTPSA id lf4sm3141319pjb.0.2021.02.10.17.09.03 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Feb 2021 17:09:03 -0800 (PST) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH v8 4/6] Bluetooth: btintel: Consolidate intel_version parsing Date: Wed, 10 Feb 2021 17:08:58 -0800 Message-Id: <20210211010900.2326531-4-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210211010900.2326531-1-luiz.dentz@gmail.com> References: <20210211010900.2326531-1-luiz.dentz@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Luiz Augusto von Dentz This moves checks version checks of intel_version to btintel_version_info. Signed-off-by: Luiz Augusto von Dentz --- drivers/bluetooth/btintel.c | 36 ++++++++++++++++++++++++++++++++++-- drivers/bluetooth/btintel.h | 2 +- drivers/bluetooth/btusb.c | 12 ++++-------- 3 files changed, 39 insertions(+), 11 deletions(-) diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c index c6062d2923f3..026ab3729cee 100644 --- a/drivers/bluetooth/btintel.c +++ b/drivers/bluetooth/btintel.c @@ -216,10 +216,39 @@ void btintel_hw_error(struct hci_dev *hdev, u8 code) } EXPORT_SYMBOL_GPL(btintel_hw_error); -void btintel_version_info(struct hci_dev *hdev, struct intel_version *ver) +int btintel_version_info(struct hci_dev *hdev, struct intel_version *ver) { const char *variant; + /* The hardware platform number has a fixed value of 0x37 and + * for now only accept this single value. + */ + if (ver->hw_platform != 0x37) { + bt_dev_err(hdev, "Unsupported Intel hardware platform (%u)", + ver->hw_platform); + return -EINVAL; + } + + /* Check for supported iBT hardware variants of this firmware + * loading method. + * + * This check has been put in place to ensure correct forward + * compatibility options when newer hardware variants come along. + */ + switch (ver->hw_variant) { + case 0x0b: /* SfP */ + case 0x0c: /* WsP */ + case 0x11: /* JfP */ + case 0x12: /* ThP */ + case 0x13: /* HrP */ + case 0x14: /* CcP */ + break; + default: + bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)", + ver->hw_variant); + return -EINVAL; + } + switch (ver->fw_variant) { case 0x06: variant = "Bootloader"; @@ -228,13 +257,16 @@ void btintel_version_info(struct hci_dev *hdev, struct intel_version *ver) variant = "Firmware"; break; default: - return; + bt_dev_err(hdev, "Unsupported firmware variant(%02x)", ver->fw_variant); + return -EINVAL; } bt_dev_info(hdev, "%s revision %u.%u build %u week %u %u", variant, ver->fw_revision >> 4, ver->fw_revision & 0x0f, ver->fw_build_num, ver->fw_build_ww, 2000 + ver->fw_build_yy); + + return 0; } EXPORT_SYMBOL_GPL(btintel_version_info); diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h index 94a63e898826..7163170410a8 100644 --- a/drivers/bluetooth/btintel.h +++ b/drivers/bluetooth/btintel.h @@ -148,7 +148,7 @@ int btintel_set_diag(struct hci_dev *hdev, bool enable); int btintel_set_diag_mfg(struct hci_dev *hdev, bool enable); void btintel_hw_error(struct hci_dev *hdev, u8 code); -void btintel_version_info(struct hci_dev *hdev, struct intel_version *ver); +int btintel_version_info(struct hci_dev *hdev, struct intel_version *ver); int btintel_version_info_tlv(struct hci_dev *hdev, struct intel_version_tlv *version); int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type, u32 plen, const void *param); diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 23d2af4b0433..1f2b74eaaccf 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2474,12 +2474,6 @@ static int btusb_setup_intel_new_get_fw_name(struct intel_version *ver, char *fw_name, size_t len, const char *suffix) { - /* The hardware platform number has a fixed value of 0x37 and - * for now only accept this single value. - */ - if (ver->hw_platform != 0x37) - return -EINVAL; - switch (ver->hw_variant) { case 0x0b: /* SfP */ case 0x0c: /* WsP */ @@ -2648,8 +2642,6 @@ static int btusb_intel_download_firmware(struct hci_dev *hdev, if (!ver || !params) return -EINVAL; - btintel_version_info(hdev, ver); - /* The firmware variant determines if the device is in bootloader * mode or is running operational firmware. The value 0x06 identifies * the bootloader and the value 0x23 identifies the operational @@ -2841,6 +2833,10 @@ static int btusb_setup_intel_new(struct hci_dev *hdev) return err; } + err = btintel_version_info(hdev, &ver); + if (err) + return err; + err = btusb_intel_download_firmware(hdev, &ver, ¶ms, &boot_param); if (err) return err;