From patchwork Fri Mar 2 14:46:37 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 10254851 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1B31D60211 for ; Fri, 2 Mar 2018 14:47:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0BD6C289BE for ; Fri, 2 Mar 2018 14:47:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0072A289C6; Fri, 2 Mar 2018 14:47:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AE38C289BE for ; Fri, 2 Mar 2018 14:47:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1426479AbeCBOrJ (ORCPT ); Fri, 2 Mar 2018 09:47:09 -0500 Received: from relay3-d.mail.gandi.net ([217.70.183.195]:48028 "EHLO relay3-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1426315AbeCBOrI (ORCPT ); Fri, 2 Mar 2018 09:47:08 -0500 Received: from w540.lan (unknown [IPv6:2001:b07:2e0:f265:f056:c2e8:fc6b:a908]) (Authenticated sender: jacopo@jmondi.org) by relay3-d.mail.gandi.net (Postfix) with ESMTPSA id 42B9EA8111; Fri, 2 Mar 2018 15:47:05 +0100 (CET) From: Jacopo Mondi To: mchehab@s-opensource.com, laurent.pinchart@ideasonboard.com, hans.verkuil@cisco.com, g.liakhovetski@gmx.de, bhumirks@gmail.com, joe@perches.com Cc: Jacopo Mondi , linux-media@vger.kernel.org Subject: [PATCH v2 05/11] media: tw9910: Replace msleep(1) with usleep_range Date: Fri, 2 Mar 2018 15:46:37 +0100 Message-Id: <1520002003-10200-6-git-send-email-jacopo+renesas@jmondi.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1520002003-10200-1-git-send-email-jacopo+renesas@jmondi.org> References: <1520002003-10200-1-git-send-email-jacopo+renesas@jmondi.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP msleep() can sleep up to 20ms. As suggested by Documentation/timers/timers_howto.txt replace it with usleep_range() with up to 5ms delay. Signed-off-by: Jacopo Mondi --- drivers/media/i2c/tw9910.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/i2c/tw9910.c b/drivers/media/i2c/tw9910.c index 9c12bda..6f2f1d7 100644 --- a/drivers/media/i2c/tw9910.c +++ b/drivers/media/i2c/tw9910.c @@ -401,7 +401,7 @@ static int tw9910_set_hsync(struct i2c_client *client) static void tw9910_reset(struct i2c_client *client) { tw9910_mask_set(client, ACNTL1, SRESET, SRESET); - msleep(1); + usleep_range(1000, 5000); } static int tw9910_power(struct i2c_client *client, int enable)