From patchwork Tue Apr 3 09:11:30 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Michael_B=C3=BCsch?= X-Patchwork-Id: 10557 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1SEzm7-0007NX-1x for patchwork@linuxtv.org; Tue, 03 Apr 2012 11:11:39 +0200 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.75/mailfrontend-3) with esmtp for id 1SEzm6-0003BG-EZ; Tue, 03 Apr 2012 11:11:39 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751769Ab2DCJLg (ORCPT ); Tue, 3 Apr 2012 05:11:36 -0400 Received: from bues.ch ([80.190.117.144]:45932 "EHLO bues.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751598Ab2DCJLf (ORCPT ); Tue, 3 Apr 2012 05:11:35 -0400 Received: by bues.ch with esmtpsa (Exim 4.72) (envelope-from ) id 1SEzm2-000444-Gk; Tue, 03 Apr 2012 11:11:34 +0200 Date: Tue, 3 Apr 2012 11:11:30 +0200 From: Michael =?UTF-8?B?QsO8c2No?= To: Antti Palosaari Cc: linux-media Subject: [PATCH] af9035: Use usleep_range() in fc0011 support code Message-ID: <20120403111130.6a41e347@milhouse> X-Mailer: Claws Mail 3.8.0 (GTK+ 2.24.10; x86_64-pc-linux-gnu) Mime-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2012.4.3.90030 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' HTML_00_01 0.05, HTML_00_10 0.05, MIME_LOWER_CASE 0.05, MSGID_ADDED_BY_MTA 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_2000_2999 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, INVALID_MSGID_NO_FQDN 0, __ANY_URI 0, __CP_URI_IN_BODY 0, __CT 0, __CTYPE_HAS_BOUNDARY 0, __CTYPE_MULTIPART 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __MIME_VERSION 0, __RUS_OBFU_PHONE 0, __SANE_MSGID 0, __SUBJ_ALPHA_END 0, __TO_MALFORMED_2 0, __URI_NO_WWW 0, __URI_NS ' Use usleep_range() instead of msleep() to improve power saving opportunities. Signed-off-by: Michael Buesch Index: linux/drivers/media/dvb/dvb-usb/af9035.c =================================================================== --- linux.orig/drivers/media/dvb/dvb-usb/af9035.c 2012-04-03 10:49:18.270364916 +0200 +++ linux/drivers/media/dvb/dvb-usb/af9035.c 2012-04-03 10:49:57.495125781 +0200 @@ -590,7 +590,7 @@ err = af9035_wr_reg_mask(d, 0xd8d1, 1, 1); if (err) return err; - msleep(10); + usleep_range(10000, 50000); break; case FC0011_FE_CALLBACK_RESET: err = af9035_wr_reg(d, 0xd8e9, 1); @@ -602,11 +602,11 @@ err = af9035_wr_reg(d, 0xd8e7, 1); if (err) return err; - msleep(10); + usleep_range(10000, 20000); err = af9035_wr_reg(d, 0xd8e7, 0); if (err) return err; - msleep(10); + usleep_range(10000, 20000); break; default: return -EINVAL;