From mboxrd@z Thu Jan 1 00:00:00 1970 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=-3.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_PASS,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 47E77C43381 for ; Tue, 26 Feb 2019 20:09:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0D93221850 for ; Tue, 26 Feb 2019 20:09:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="dZzjk32b" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728833AbfBZUJE (ORCPT ); Tue, 26 Feb 2019 15:09:04 -0500 Received: from mail-pf1-f179.google.com ([209.85.210.179]:34472 "EHLO mail-pf1-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727823AbfBZUJD (ORCPT ); Tue, 26 Feb 2019 15:09:03 -0500 Received: by mail-pf1-f179.google.com with SMTP id u9so6768334pfn.1 for ; Tue, 26 Feb 2019 12:09:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=nvbgkBTzE6DW3B27GZ2U1P+7u2ZflsVz7nzJQehfxaw=; b=dZzjk32boKQzxt+8iYwyNhLx0GbuhTQlarOSfabMsUX4HLnCnd3/uNGmTlgwEzIU91 q1qVgAH79q2yEbWaLjHzx3DypYDfcF+B9PEVCHr6fx/3ckkkvpGzPhuElls4rjxpxJn4 Y2B0q5cxkuzF93XIQdunp9Q9qhKXxf1Y6xgos= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=nvbgkBTzE6DW3B27GZ2U1P+7u2ZflsVz7nzJQehfxaw=; b=AZ+DrGMMD4G3OrerzjONLGXlbHwhDRnTp1uNngkeY5WXicuyt/rySmrfckWO5Jqmjn 8P1WwULLF3kpW7NIGVKY2Fdk5wxkQCmctiiD9vT5Ov1yNpBJ2LPYMuQdHUUzcmNAPeyg R6/OvIT3NUGKL9sS/tkyw5rBK9wRPiinYicCNkOky2/SB9ZnS30erocWkmTpnQHZn0d0 jX/++zSi8ukPw0CAUSQd5F0zAjB0I4kerclSW2YiD75I4ck5M9U6S7OHTFnKSBF7lk3Z dqweQOQQUYxXq6SOUwXMKD+GW83g+rfsvYI5wGRr3do9Uhf0atoal+vejTF7RA4UiAPe ZfYQ== X-Gm-Message-State: AHQUAuYjG2/1eARs8TnwGxLl6BhUVM8GDTl/idzKLeCIy0Vkgrau322l O67SDmPIvTXgSylYcYkZP5E2LA== X-Google-Smtp-Source: AHgI3IaPcJW0xwH4ofnUwAazfJy53tdc2IvIYiCIrLYPmuHBQQftilvfFjHor3ogxZQYAOXNg2rRGQ== X-Received: by 2002:aa7:8459:: with SMTP id r25mr25740935pfn.65.1551211743044; Tue, 26 Feb 2019 12:09:03 -0800 (PST) Received: from mka.mtv.corp.google.com ([2620:15c:202:1:75a:3f6e:21d:9374]) by smtp.gmail.com with ESMTPSA id l5sm7637328pfi.97.2019.02.26.12.09.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 26 Feb 2019 12:09:02 -0800 (PST) From: Matthias Kaehlcke To: Marcel Holtmann , Johan Hedberg Cc: linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, Balakrishna Godavarthi , Hemantg , Matthias Kaehlcke Subject: [PATCH 0/2] Reduce delay after sending baudrate request for WCN3990 Date: Tue, 26 Feb 2019 12:08:46 -0800 Message-Id: <20190226200848.154216-1-mka@chromium.org> X-Mailer: git-send-email 2.21.0.rc2.261.ga7da99ff1b-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The current 300ms delay after a baudrate change is extremely long. For WCM3990 it is sufficient to wait 10ms after the baudrate change request has been sent over the wire. Also use msleep() instead of a set_current_state() / schedule_timeout() combo. Matthias Kaehlcke (2): hci_qca: Use msleep() instead of open coding it hci_qca: Reduce delay after sending baudrate request for WCN3990 drivers/bluetooth/hci_qca.c | 30 +++++++++++++++++++++--------- 1 file changed, 21 insertions(+), 9 deletions(-) -- 2.21.0.rc2.261.ga7da99ff1b-goog