From patchwork Thu Mar 23 21:10:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manish Mandlik X-Patchwork-Id: 13186093 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 169DEC6FD1C for ; Thu, 23 Mar 2023 21:10:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231452AbjCWVKd (ORCPT ); Thu, 23 Mar 2023 17:10:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37746 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231359AbjCWVK3 (ORCPT ); Thu, 23 Mar 2023 17:10:29 -0400 Received: from mail-pl1-x649.google.com (mail-pl1-x649.google.com [IPv6:2607:f8b0:4864:20::649]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AF4411ADE0 for ; Thu, 23 Mar 2023 14:10:28 -0700 (PDT) Received: by mail-pl1-x649.google.com with SMTP id s11-20020a170902a50b00b001a1f8fc0d2cso32304plq.15 for ; Thu, 23 Mar 2023 14:10:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1679605828; 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=EhYvkoKvgCCbxOwjd6FuNdq1QrRIoJpWIF7cJLLZ9gASmnAaRc+cEHJaCpIAkfBfUg bL/I+y8T8nHmo6qbtvmbKbUsCqzj9JjBzg++8JYVM78eHpCxyl3oilRt/AnkhiAncn90 IKEK+BWoX5XhAUB973cOyK7Jg9eku+sMNyWkrycSxQkg6o5ID2JM0YuLOybxk61aMjWy M+eFazc3nyJLiG9V//Kqckr/f+am+zrkTAsMgXJAA8+U8h2ZeyouKn18jsnA8LYw6T+9 KSiO0GkQ+3CEqqnpdpnP8IqnkO650sTRlV/DS3G3/UVUwQwjag6wNhfkSwnWsIcw+CJb dM1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679605828; 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=bnrY4e9O6H3F5QqVpNT6ecdK2AMIG5JHXPq17wdfkLwWX+KYWDRYY/gLysjtIRUgcH vKBY6pyXaL7xTG1Ym9KQ+V5+ROJMjSDyNMESvvZcXMGUMVbN6JQ2N6DmW9ZhUhy7wa9d n+WS4vi3DfBKPyIG/Wnppn/foUD+T3MtsVusB8yYS6iEIQfcGCEWzYsXezcUYuFrPQIk X/Q3ZUZ2z0KzVSULnQAPqboI3M63+gpP3JXXZaieHqm6vk0hXIMrPo+9QbDxRsJi2331 AtWgnza7Xn9IjgiXHUOM8JKBZQ3fS8jgeZCArwQOFQY/A40QGTpgIx/lx9OXbh9prxUP 4KYQ== X-Gm-Message-State: AO0yUKWqT5krsZBwLMaAW/ferC6ZqUqb49srMML92+gYvYWZTJ/rWO3+ Z4z52rOaSoWsGlSi+a8fnPWoJ+1Eg1Wc7w== X-Google-Smtp-Source: AK7set8+jv1JzR3p1mgIcB67lMvllj7a5DVGzCsJvMiKKf4L89EIKtT8Ml5k+po/ClBmv1Tb0DZy265BlbJ47w== X-Received: from mmandlik-cloudtop.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:2893]) (user=mmandlik job=sendgmr) by 2002:a65:5086:0:b0:503:7bbb:9a77 with SMTP id r6-20020a655086000000b005037bbb9a77mr2310504pgp.8.1679605828243; Thu, 23 Mar 2023 14:10:28 -0700 (PDT) Date: Thu, 23 Mar 2023 14:10:17 -0700 In-Reply-To: <20230323140942.v8.1.I9b4e4818bab450657b19cda3497d363c9baa616e@changeid> Mime-Version: 1.0 References: <20230323140942.v8.1.I9b4e4818bab450657b19cda3497d363c9baa616e@changeid> X-Mailer: git-send-email 2.40.0.348.gf938b09366-goog Message-ID: <20230323140942.v8.3.I8cd97c192e8268567b6f467ccd993ec71897318e@changeid> Subject: [PATCH v8 3/4] Bluetooth: btusb: Add btusb devcoredump support From: Manish Mandlik To: marcel@holtmann.org, luiz.dentz@gmail.com Cc: linux-bluetooth@vger.kernel.org, chromeos-bluetooth-upstreaming@chromium.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);