From patchwork Tue Mar 28 16:42:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manish Mandlik X-Patchwork-Id: 13191353 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 A5751C77B61 for ; Tue, 28 Mar 2023 16:42:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229866AbjC1Qmv (ORCPT ); Tue, 28 Mar 2023 12:42:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53590 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229752AbjC1Qms (ORCPT ); Tue, 28 Mar 2023 12:42:48 -0400 Received: from mail-yw1-x114a.google.com (mail-yw1-x114a.google.com [IPv6:2607:f8b0:4864:20::114a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 152043C1D for ; Tue, 28 Mar 2023 09:42:47 -0700 (PDT) Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-536cb268ab8so126654757b3.17 for ; Tue, 28 Mar 2023 09:42:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1680021766; 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=akG81if4jTiA5YzyK2S4GHzKQoAhTTq+47u+UaQ/VHIofm3zkprIOu6B7rYPy0tSyl UGUGltoHlgfE+76EaGusuobGe+lom/TQ52hOMw/twnoJxK9R3Yk/6h0k5KShhzn3To8f gYW0DhK35mOjv7aS7au1ZBOmUGhsI6ryXgzUQYQSSm2PKV33DE23sYJc2rioXGa0MsUY f/EJgHP565/cUHbq1M1UoGXALU239pGH/qxEiGJK7Z/1A+/+hbZwROBWpoYZqp3UBI9A T7Drp3G2KX0M/LyhaAJvdq2xc5i4v2uGrjOj3YHmEBie7OApXYb1qHy/IfIxxHduKF8+ EmfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680021766; 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=nATuSCqOcgupJmPJPk6+sQFiEHxTMKokrJ1716azQgmfWfgTdb07Gza2fLhqGUkdPp yglj+qnIRTk1zuIVT56nxcHP0xsuRclguYZSTpDNvL6RCgZs5PL9FIqocX3Qb8MQ++cf gGbdQQpOPX2S4fk7JNfhNQsjMRgZ9Kne1pVjaxMHS7KneLZHVuW25SkXP4Zrj6Lw5JML /XkpmPrpDmiiwbr6C2j+emdckeIDyMHoVKYiY2+OGMojpADgpecQqBHUM1oAmjKx8jCC A87e1GpJr3oHjF6R6qHlhT0tHnREIVfBElcM3K7jVbTEktfTHbaJfJHW4YV4vHOpwA/N qvuw== X-Gm-Message-State: AAQBX9edf9aC68WHh0etT7j6dD6oddAhcZgj452zWs6MJUxIhhPNfRT6 AF5yYPQOgZvDN42UXhjNT2r+QgQTLmtpPw== X-Google-Smtp-Source: AKy350bR6rJxmGAjFwURfQiBKLRMeY2B+66CwIhzIMLLr9+9B8WExIll1C/vuZ6mOLKs6yawoneAG/tQ3CHasw== X-Received: from mmandlik-cloudtop.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:2893]) (user=mmandlik job=sendgmr) by 2002:a81:ac46:0:b0:533:9185:fc2c with SMTP id z6-20020a81ac46000000b005339185fc2cmr7783218ywj.7.1680021766358; Tue, 28 Mar 2023 09:42:46 -0700 (PDT) Date: Tue, 28 Mar 2023 09:42:39 -0700 In-Reply-To: <20230328094207.v11.1.I9b4e4818bab450657b19cda3497d363c9baa616e@changeid> Mime-Version: 1.0 References: <20230328094207.v11.1.I9b4e4818bab450657b19cda3497d363c9baa616e@changeid> X-Mailer: git-send-email 2.40.0.348.gf938b09366-goog Message-ID: <20230328094207.v11.3.I8cd97c192e8268567b6f467ccd993ec71897318e@changeid> Subject: [PATCH v11 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);