From patchwork Tue Feb 25 11:43:42 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Zabel X-Patchwork-Id: 3715871 Return-Path: X-Original-To: patchwork-linux-fbdev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 09622BF13A for ; Tue, 25 Feb 2014 11:43:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 28FCB201DD for ; Tue, 25 Feb 2014 11:43:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4B6A0201C7 for ; Tue, 25 Feb 2014 11:43:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752443AbaBYLnw (ORCPT ); Tue, 25 Feb 2014 06:43:52 -0500 Received: from metis.ext.pengutronix.de ([92.198.50.35]:36368 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752118AbaBYLnv (ORCPT ); Tue, 25 Feb 2014 06:43:51 -0500 Received: from pizza.hi.pengutronix.de ([10.1.0.104] helo=pizza.pengutronix.de.) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1WIGQO-0002ZU-OC; Tue, 25 Feb 2014 12:43:48 +0100 From: Philipp Zabel To: Greg Kroah-Hartman Cc: devel@driverdev.osuosl.org, linux-fbdev@vger.kernel.org, Tomi Valkeinen , kernel@pengutronix.de, Dave Airlie , Russell King , Shawn Guo , Philipp Zabel Subject: [PATCH 2/3] imx-drm: ipu-dc: Use usleep_range instead of msleep Date: Tue, 25 Feb 2014 12:43:42 +0100 Message-Id: <1393328624-28013-3-git-send-email-p.zabel@pengutronix.de> X-Mailer: git-send-email 1.9.0.rc3 In-Reply-To: <1393328624-28013-1-git-send-email-p.zabel@pengutronix.de> References: <1393328624-28013-1-git-send-email-p.zabel@pengutronix.de> X-SA-Exim-Connect-IP: 10.1.0.104 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-fbdev@vger.kernel.org Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Since msleep(2) can sleep up to 20ms anyway, make this explicit by using usleep_range(2000, 20000). Signed-off-by: Philipp Zabel --- drivers/staging/imx-drm/ipu-v3/ipu-dc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-dc.c b/drivers/staging/imx-drm/ipu-v3/ipu-dc.c index d0e3bc3..d5de8bb 100644 --- a/drivers/staging/imx-drm/ipu-v3/ipu-dc.c +++ b/drivers/staging/imx-drm/ipu-v3/ipu-dc.c @@ -262,7 +262,7 @@ void ipu_dc_disable_channel(struct ipu_dc *dc) /* Wait for DC triple buffer to empty */ while ((readl(priv->dc_reg + DC_STAT) & val) != val) { - msleep(2); + usleep_range(2000, 20000); timeout -= 2; if (timeout <= 0) break;