From patchwork Thu Mar 30 16:58:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manish Mandlik X-Patchwork-Id: 669051 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AA950C761A6 for ; Thu, 30 Mar 2023 16:58:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232043AbjC3Q6x (ORCPT ); Thu, 30 Mar 2023 12:58:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46032 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231741AbjC3Q6k (ORCPT ); Thu, 30 Mar 2023 12:58:40 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5DAF9B47F for ; Thu, 30 Mar 2023 09:58:36 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id c187-20020a25c0c4000000b00b6fd84f760dso19392045ybf.12 for ; Thu, 30 Mar 2023 09:58:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1680195515; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=3IPXOF71xhyJEtqQ3Z98VllJlolVRDwWUwDqo2jNXHo=; b=sPkOM60p9XfgUbH7pBqUd6F96vI0z12zFZQETS/H9riaTmwdSkGlenqKyfhBTC/U7j PtK54UDOLWnX+Fx3oyis0o7DI4JTPlvINvBlMalUduIzcBbSrqy/DNY5WnhiJmE5DeE5 yMmgRWeuadZKKUzXv53Lql8cXIa9Jy/DGqd5uq82/xEaNu+X+vVYbrByUn8OVSi/7i+V +qNOkz1irQ9lYHRKlu3ddPhy71wJIVT4+vms7OaxKK8/k4HVrY9bmPSspeAQqWnoRmJ8 rWp7snGpEq5ca3mAtorvXHsfSUn7C/yI8e0ca96v3VuWFMQgGjV+Ux6CzAer9A5KX3CY 4Bdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680195515; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=3IPXOF71xhyJEtqQ3Z98VllJlolVRDwWUwDqo2jNXHo=; b=te5XfeG9AY1EbTE8DmRfEpjsp8Dp0Czo2Ag2uL7DAHBxX3RNlEEFGLL4JvDRDQoNee H1nXgAP8okhBzf9f8AbZHtaAbFSQ7hAg6HZZ6pJRtzD49A5W1pBURCTnSKbmI0wZudi8 BOzydGt/XUCx1hrhLi7AMWZ3/g2quqaqQ0xnbXIuXQj7VhfGDbM8CUUvKMK9eGpIyEb9 uf2qjuKwJ3z9CzcLFpeDvX+Np5JQxyv4ZvP33rkAndy6aRYYDEYGADY2QrgWCzfz+O9F 6TvUDRhkvlMPfYgXcjuPxhx3823wtCYymv62AwEoCsc9HZE/PRyXFIIPT7IVqGGIgox6 f/NQ== X-Gm-Message-State: AAQBX9fg9TSll6n8OlvEtpKNmkPI9e8SKmGnieBEPR06vm2UY1X8DIA7 TGjDYvOe9HEFxVCaI98gvJ65PkhPAD5uwg== X-Google-Smtp-Source: AKy350boZukWbuXgC6wUO0k6aTTxUoc9xBZqgphDIqIKwRq3W8Ollw1lCQYK6HXG5SVcl6J/Wqfv3dF36Fagsw== X-Received: from mmandlik-cloudtop.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:2893]) (user=mmandlik job=sendgmr) by 2002:a05:6902:1003:b0:b1d:5061:98e3 with SMTP id w3-20020a056902100300b00b1d506198e3mr16426997ybt.6.1680195515673; Thu, 30 Mar 2023 09:58:35 -0700 (PDT) Date: Thu, 30 Mar 2023 09:58:25 -0700 In-Reply-To: <20230330095714.v13.1.I9b4e4818bab450657b19cda3497d363c9baa616e@changeid> Mime-Version: 1.0 References: <20230330095714.v13.1.I9b4e4818bab450657b19cda3497d363c9baa616e@changeid> X-Mailer: git-send-email 2.40.0.348.gf938b09366-goog Message-ID: <20230330095714.v13.3.I8cd97c192e8268567b6f467ccd993ec71897318e@changeid> Subject: [PATCH v13 3/4] Bluetooth: btusb: Add btusb devcoredump support From: Manish Mandlik To: marcel@holtmann.org, luiz.dentz@gmail.com Cc: chromeos-bluetooth-upstreaming@chromium.org, linux-bluetooth@vger.kernel.org, Manish Mandlik , Abhishek Pandit-Subedi , Johan Hedberg , linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org This patch implements the btusb driver side .coredump() callback to trigger a devcoredump via sysfs. Signed-off-by: Manish Mandlik Reviewed-by: Abhishek Pandit-Subedi --- (no changes since v6) Changes in v6: - Remove dev->coredump_disabled check since the sysfs flag related change has been abandoned Changes in v4: - New patch in the series drivers/bluetooth/btusb.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 4ca91c033d2f..9c9f7bf1375a 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -4385,6 +4385,17 @@ static int btusb_resume(struct usb_interface *intf) } #endif +#ifdef CONFIG_DEV_COREDUMP +static void btusb_coredump(struct device *dev) +{ + struct btusb_data *data = dev_get_drvdata(dev); + struct hci_dev *hdev = data->hdev; + + if (hdev->dump.coredump) + hdev->dump.coredump(hdev); +} +#endif + static struct usb_driver btusb_driver = { .name = "btusb", .probe = btusb_probe, @@ -4396,6 +4407,14 @@ static struct usb_driver btusb_driver = { .id_table = btusb_table, .supports_autosuspend = 1, .disable_hub_initiated_lpm = 1, + +#ifdef CONFIG_DEV_COREDUMP + .drvwrap = { + .driver = { + .coredump = btusb_coredump, + }, + }, +#endif }; module_usb_driver(btusb_driver);