| Message ID | 20201025174600.27896-10-johan@kernel.org |
|---|---|
| State | New |
| Headers | show
Return-Path: <SRS0=7VGP=EA=vger.kernel.org=linux-usb-owner@kernel.org> 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=-10.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, UNWANTED_LANGUAGE_BODY, 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 E9850C388F7 for <linux-usb@archiver.kernel.org>; Sun, 25 Oct 2020 17:46:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B4A7921707 for <linux-usb@archiver.kernel.org>; Sun, 25 Oct 2020 17:46:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603648004; bh=4SlHM5j/5vNgv2PmVV06G73zvgqVqCPshjp33FH6ViQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=U0Z5OlcW7oX3ehg9SrhTWB/378VSJSAPodnzE428kJvB7G4bo71svN0nfhkm8xTde ynrAOIgrwKgH5pe6QARzer8ZGytDrCuuWF5BGiyiYtFdgcCuS9ge4IGRbA8n1wWFle rkKq6EcaBsPR3c6kzFaZwlzUIAJxTq7zQMLk1jRI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1417746AbgJYRqn (ORCPT <rfc822;linux-usb@archiver.kernel.org>); Sun, 25 Oct 2020 13:46:43 -0400 Received: from mail-lf1-f68.google.com ([209.85.167.68]:44310 "EHLO mail-lf1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1417729AbgJYRqm (ORCPT <rfc822; linux-usb@vger.kernel.org>); Sun, 25 Oct 2020 13:46:42 -0400 Received: by mail-lf1-f68.google.com with SMTP id b1so8902419lfp.11; Sun, 25 Oct 2020 10:46:40 -0700 (PDT) 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=tGTT39jWlLeV6qw6JuECAsw5LeIu6htUw8WodmgXEVI=; b=XkVvJzDzd3Qn/fZ4eBvE/vaL7nah2jIhXOw59rXgbUpCPGNfg+Zj46Oa79BtXIc0zF zDzUsR7JkjpzrQgB3f6ywCFuI55suyyBb6gGV/Y9eYY4fisoSUEymxN8gXdcMnnv1oEd eCs4SgHH9y6aOiVqZhq3vKfylG+v2btIXlv40y7hwe9cWGnkpCOET52hTARxoOm6ukzD Q+7IqBDPoTtxqJ9EHRexx+cAP66LB4KB65gfJYi5whc5l58C363RyhgwlPnIlJ4WSWJj 7lnKZ1MwbW1ViSPEH0InGRQc0ZnNEI9jfZPUaVbHTuGU7NkB+A73ZBwWix5hvxjYfUJg dueA== X-Gm-Message-State: AOAM532f/qlMDOcE6WgqXsNVduhsSQls3JSIcg/xTkxm3h/lZuEJnpTG f8ldaNp6A+1qxXgXRYYOiV22MwccWg4fHg== X-Google-Smtp-Source: ABdhPJyg3MdoMNccmbHEu+WlbVdesSjkOhQXLYIvMsk57nibY5czw5DG9W3f7mjm8LuJdCh4vy7v6g== X-Received: by 2002:a19:407:: with SMTP id 7mr3676131lfe.291.1603647999803; Sun, 25 Oct 2020 10:46:39 -0700 (PDT) Received: from xi.terra (c-beaee455.07-184-6d6c6d4.bbcust.telenor.se. [85.228.174.190]) by smtp.gmail.com with ESMTPSA id e19sm793673lfn.241.2020.10.25.10.46.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 25 Oct 2020 10:46:37 -0700 (PDT) Received: from johan by xi.terra with local (Exim 4.93.0.4) (envelope-from <johan@xi.terra>) id 1kWk6J-0007Hn-6X; Sun, 25 Oct 2020 18:46:39 +0100 From: Johan Hovold <johan@kernel.org> To: linux-usb@vger.kernel.org Cc: "Ahmed S . Darwish" <a.darwish@linutronix.de>, Sebastian Andrzej Siewior <bigeasy@linutronix.de>, Thomas Gleixner <tglx@linutronix.de>, linux-kernel@vger.kernel.org, Johan Hovold <johan@kernel.org> Subject: [PATCH 09/14] USB: serial: keyspan_pda: increase transmitter threshold Date: Sun, 25 Oct 2020 18:45:55 +0100 Message-Id: <20201025174600.27896-10-johan@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201025174600.27896-1-johan@kernel.org> References: <20201025174600.27896-1-johan@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: <linux-usb.vger.kernel.org> X-Mailing-List: linux-usb@vger.kernel.org |
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USB: serial: keyspan_pda: fix up write implementation
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diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index b3fb2ecefb31..3816bbc928b2 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -40,7 +40,7 @@ #define DRIVER_AUTHOR "Brian Warner <warner@lothar.com>" #define DRIVER_DESC "USB Keyspan PDA Converter driver" -#define KEYSPAN_TX_THRESHOLD 16 +#define KEYSPAN_TX_THRESHOLD 128 struct keyspan_pda_private { int tx_room;
Increase the transmitter threshold so that writing isn't resumed until 128 bytes are available in the device buffer thereby allowing for larger and more efficient transfers. Signed-off-by: Johan Hovold <johan@kernel.org> --- drivers/usb/serial/keyspan_pda.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)