From patchwork Tue Feb 9 23:34:03 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: 12079503 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 84ACDC433E6 for ; Wed, 10 Feb 2021 00:19:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 504C464E66 for ; Wed, 10 Feb 2021 00:19:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234318AbhBJASs (ORCPT ); Tue, 9 Feb 2021 19:18:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233758AbhBIXey (ORCPT ); Tue, 9 Feb 2021 18:34:54 -0500 Received: from mail-pg1-x52d.google.com (mail-pg1-x52d.google.com [IPv6:2607:f8b0:4864:20::52d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9B207C06178C for ; Tue, 9 Feb 2021 15:34:09 -0800 (PST) Received: by mail-pg1-x52d.google.com with SMTP id e7so15111pge.0 for ; Tue, 09 Feb 2021 15:34:09 -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=O9iKgPn4LCWBYgOKdHMjLPOYN57TDAbQkLbQ2xPL650=; b=KBfHBPK+3x3BfSb0MxBennVtGXbImKMtGrCl0gmuyPkBgONnhUz/lgIwzDDQUSYErl FBlNha4bK+qppr3tfKHvnIneO2JrUnyNm/+Wx4ltB0ft6SGHKqoQCZu6hOnVltDgDaLQ NO00MeLcOt8UuBVGo/yUrFky3OavU0hNa0bWHyddHgOXntFDb4Tx8Y6OJFJmggEmZsfG g5psyMiA2Ozrcj3SMZfHeonL40RRtcmmlRa7jliYh8ipDiONIs2TADWj7AOaH+trpYCB gE31oR4ODZTD3M+VaZZ9leghwgGzP5F2L/vg0k6udexSSn7T2YzJLAhMYl+A2yKD8lk0 UzCg== 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=O9iKgPn4LCWBYgOKdHMjLPOYN57TDAbQkLbQ2xPL650=; b=Lm3v+ymeb40VJ9sTRPHpodLLfdhPDINIdLUJCc39ODJNSg1ejuhCHG//t/3/3BAOMv CIrZPFH5XrifpbPxK0+FP1PCorexDb3rNv7oAHEUv0QG0tGLajG5yZ3n97IpkvZDEgXx BZyCJFYnyouL98QsSPktPETllIT89/9vKC+4FVI2wZ4YuFTF0j+K0mQTa0FPDQk0Y99Q IX6NKKvUYCCo1Up1MFQ6WMwzCMeZbX9Gs2QEVO/yd79e15U3aNrCF28J4c47JO43z+9V q/6qF2uP2mbNG3g8VpRBRi/cZUnVhTBbh0iSQdua0yRWa7Y0bNY3xZ+vugfCgTpKTn0g sVAg== X-Gm-Message-State: AOAM532j5LCu3h2fxz8btS24jZo6kzijnjz74xavq5SjXHfcKoD3dFZZ DcyWdU21zlmpnaKDrg9c06O6oAZu2VLniw== X-Google-Smtp-Source: ABdhPJw6aipzoAOyG+XaqtM9sWSRpVL2SuaANdJGzlCBJz1Ejt93nGRYEo/gjPNUnBYxDT358rWnZQ== X-Received: by 2002:a65:648c:: with SMTP id e12mr333515pgv.123.1612913648625; Tue, 09 Feb 2021 15:34:08 -0800 (PST) Received: from localhost.localdomain (c-71-56-157-77.hsd1.or.comcast.net. [71.56.157.77]) by smtp.gmail.com with ESMTPSA id s18sm141943pjr.14.2021.02.09.15.34.07 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Feb 2021 15:34:08 -0800 (PST) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH v3 5/6] Bluetooth: btusb: Consolidate code for waiting firmware download Date: Tue, 9 Feb 2021 15:34:03 -0800 Message-Id: <20210209233404.2121960-5-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210209233404.2121960-1-luiz.dentz@gmail.com> References: <20210209233404.2121960-1-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 duplicated code for waiting firmware download to complete to a function that can then be reused. Signed-off-by: Luiz Augusto von Dentz --- drivers/bluetooth/btusb.c | 108 +++++++++++++++++--------------------- 1 file changed, 48 insertions(+), 60 deletions(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index c1f8d61ced65..0462961f4690 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2524,6 +2524,44 @@ static void btusb_setup_intel_newgen_get_fw_name(const struct intel_version_tlv suffix); } +static int btusb_download_wait(struct hci_dev *hdev, ktime_t calltime, int msec) +{ + struct btusb_data *data = hci_get_drvdata(hdev); + ktime_t delta, rettime; + unsigned long long duration; + int err; + + set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); + + bt_dev_info(hdev, "Waiting for firmware download to complete"); + + err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, + TASK_INTERRUPTIBLE, + msecs_to_jiffies(msec)); + if (err == -EINTR) { + bt_dev_err(hdev, "Firmware loading interrupted"); + return err; + } + + if (err) { + bt_dev_err(hdev, "Firmware loading timeout"); + return -ETIMEDOUT; + } + + if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { + bt_dev_err(hdev, "Firmware loading failed"); + return -ENOEXEC; + } + + rettime = ktime_get(); + delta = ktime_sub(rettime, calltime); + duration = (unsigned long long)ktime_to_ns(delta) >> 10; + + bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration); + + return 0; +} + static int btusb_intel_download_firmware_newgen(struct hci_dev *hdev, struct intel_version_tlv *ver, u32 *boot_param) @@ -2532,6 +2570,7 @@ static int btusb_intel_download_firmware_newgen(struct hci_dev *hdev, char fwname[64]; int err; struct btusb_data *data = hci_get_drvdata(hdev); + ktime_t calltime; if (!ver || !boot_param) return -EINVAL; @@ -2578,6 +2617,8 @@ static int btusb_intel_download_firmware_newgen(struct hci_dev *hdev, goto done; } + calltime = ktime_get(); + set_bit(BTUSB_DOWNLOADING, &data->flags); /* Start firmware downloading and get boot parameter */ @@ -2597,9 +2638,6 @@ static int btusb_intel_download_firmware_newgen(struct hci_dev *hdev, btintel_reset_to_bootloader(hdev); goto done; } - set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); - - bt_dev_info(hdev, "Waiting for firmware download to complete"); /* Before switching the device into operational mode and with that * booting the loaded firmware, wait for the bootloader notification @@ -2612,26 +2650,9 @@ static int btusb_intel_download_firmware_newgen(struct hci_dev *hdev, * and thus just timeout if that happens and fail the setup * of this device. */ - err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, - TASK_INTERRUPTIBLE, - msecs_to_jiffies(5000)); - if (err == -EINTR) { - bt_dev_err(hdev, "Firmware loading interrupted"); - goto done; - } - - if (err) { - bt_dev_err(hdev, "Firmware loading timeout"); - err = -ETIMEDOUT; + err = btusb_download_wait(hdev, calltime, 5000); + if (err == -ETIMEDOUT) btintel_reset_to_bootloader(hdev); - goto done; - } - - if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { - bt_dev_err(hdev, "Firmware loading failed"); - err = -ENOEXEC; - goto done; - } done: release_firmware(fw); @@ -2647,6 +2668,7 @@ static int btusb_intel_download_firmware(struct hci_dev *hdev, char fwname[64]; int err; struct btusb_data *data = hci_get_drvdata(hdev); + ktime_t calltime; if (!ver || !params) return -EINVAL; @@ -2746,6 +2768,8 @@ static int btusb_intel_download_firmware(struct hci_dev *hdev, goto done; } + calltime = ktime_get(); + set_bit(BTUSB_DOWNLOADING, &data->flags); /* Start firmware downloading and get boot parameter */ @@ -2763,9 +2787,6 @@ static int btusb_intel_download_firmware(struct hci_dev *hdev, btintel_reset_to_bootloader(hdev); goto done; } - set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); - - bt_dev_info(hdev, "Waiting for firmware download to complete"); /* Before switching the device into operational mode and with that * booting the loaded firmware, wait for the bootloader notification @@ -2778,26 +2799,9 @@ static int btusb_intel_download_firmware(struct hci_dev *hdev, * and thus just timeout if that happens and fail the setup * of this device. */ - err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, - TASK_INTERRUPTIBLE, - msecs_to_jiffies(5000)); - if (err == -EINTR) { - bt_dev_err(hdev, "Firmware loading interrupted"); - goto done; - } - - if (err) { - bt_dev_err(hdev, "Firmware loading timeout"); - err = -ETIMEDOUT; + err = btusb_download_wait(hdev, calltime, 5000); + if (err == -ETIMEDOUT) btintel_reset_to_bootloader(hdev); - goto done; - } - - if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { - bt_dev_err(hdev, "Firmware loading failed"); - err = -ENOEXEC; - goto done; - } done: release_firmware(fw); @@ -2824,8 +2828,6 @@ static int btusb_setup_intel_new(struct hci_dev *hdev) */ boot_param = 0x00000000; - calltime = ktime_get(); - /* Read the Intel version information to determine if the device * is in bootloader mode or if it already has operational firmware * loaded. @@ -2849,12 +2851,6 @@ static int btusb_setup_intel_new(struct hci_dev *hdev) if (ver.fw_variant == 0x23) goto finish; - rettime = ktime_get(); - delta = ktime_sub(rettime, calltime); - duration = (unsigned long long) ktime_to_ns(delta) >> 10; - - bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration); - calltime = ktime_get(); set_bit(BTUSB_BOOTING, &data->flags); @@ -2972,8 +2968,6 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev) */ boot_param = 0x00000000; - calltime = ktime_get(); - /* Read the Intel version information to determine if the device * is in bootloader mode or if it already has operational firmware * loaded. @@ -2997,12 +2991,6 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev) if (version.img_type == 0x03) goto finish; - rettime = ktime_get(); - delta = ktime_sub(rettime, calltime); - duration = (unsigned long long)ktime_to_ns(delta) >> 10; - - bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration); - calltime = ktime_get(); set_bit(BTUSB_BOOTING, &data->flags);