From patchwork Tue Mar 28 01:18:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manish Mandlik X-Patchwork-Id: 13190278 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 352D2C76195 for ; Tue, 28 Mar 2023 01:19:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231990AbjC1BTZ (ORCPT ); Mon, 27 Mar 2023 21:19:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231904AbjC1BTL (ORCPT ); Mon, 27 Mar 2023 21:19:11 -0400 Received: from mail-pj1-x104a.google.com (mail-pj1-x104a.google.com [IPv6:2607:f8b0:4864:20::104a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2F8282118 for ; Mon, 27 Mar 2023 18:19:05 -0700 (PDT) Received: by mail-pj1-x104a.google.com with SMTP id q30-20020a17090a17a100b0023d376ac2c5so2753642pja.5 for ; Mon, 27 Mar 2023 18:19:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1679966344; 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=XyFLtl/5xKP+J4XEIX0wfelHUuTwFHtfLQLUMR0MLPBm+IxTXAkLytPRNmH00qN7CH mdz9BCoC9fCDLYGDK5cwlaTJzjnBIzJVSlX88gvb41TAGW0G8pXsSXrRv7Xoehv3BBfH 5hCvbAoGfljbkeVpDI2KuA8mWujfUE2JJCoWoRBi6zO9M05QXzuqCrpuzzQDGqXLTwui IbAQY74ug1vpWqD9DuoESSp+kvpKZQm4tRjcB9lRnt0D0doowOclDegh9iSgsSXciCZf jfE7URODKNcCcWOrI7tVPeIrEZFKaXXjkX2ApAI5nsczPfnh/qBYaRPlOsmpWTM6OplO jZww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679966344; 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=wOD43QUsFaLwHLefzB/o889Qcwa3a6CKP/8kVxKYKR/8suA4C/EKHVCgJBRSBPR2A+ 9vsDidsubsqwopkQVOj7v/sPfwAz9Shf1cSU65kzZQxxn/J+mBHC4mHoJZwRRge2nzze Kvn9ffshr8HfrF+Z8dHKSS3vE4mm83ZIv/oXUOIBbzQq3kYzMQvJajOKqWvj8wtozN0h F31EPb/15zr99j4/Mu9b1NoL7wUPCrHNcd/aXi1C9T/qB7XaCmesKGmr6NQixT/jjKpt BkS2Vx+hhdyZjfr6JfsCAnz98b1+YxTFiGTghELEKmMh0lsXLlf/zCz3ZUBpZud4+B6p 6PaQ== X-Gm-Message-State: AAQBX9eK3PQ92aW5HZLyYEgld8z6Wg6hf8Nt91VCCqPTnjcYTu1f0QQi +Juda1oia0m5CkcA5obGkTaOdetzdxHKWQ== X-Google-Smtp-Source: AKy350aDQyXH8Z6uCN+o1t4aSklBoh4FNFzYy5pA6U0E0t0xbLqUtjmcFFEGh3nIbSf7k8AE1jLZQH9DUIoEIg== X-Received: from mmandlik-cloudtop.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:2893]) (user=mmandlik job=sendgmr) by 2002:a17:90a:3ec2:b0:23f:4b8d:2393 with SMTP id k60-20020a17090a3ec200b0023f4b8d2393mr4025254pjc.8.1679966344653; Mon, 27 Mar 2023 18:19:04 -0700 (PDT) Date: Mon, 27 Mar 2023 18:18:56 -0700 In-Reply-To: <20230327181825.v9.1.I9b4e4818bab450657b19cda3497d363c9baa616e@changeid> Mime-Version: 1.0 References: <20230327181825.v9.1.I9b4e4818bab450657b19cda3497d363c9baa616e@changeid> X-Mailer: git-send-email 2.40.0.348.gf938b09366-goog Message-ID: <20230327181825.v9.3.I8cd97c192e8268567b6f467ccd993ec71897318e@changeid> Subject: [PATCH v9 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);