From patchwork Sun Jun 7 14:34:40 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicholas Mc Guire X-Patchwork-Id: 30093 X-Patchwork-Delegate: hdegoede@redhat.com Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1Z1bn1-0003Ga-Ku; Sun, 07 Jun 2015 16:43:07 +0200 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.76/mailfrontend-6) with esmtp id 1Z1bmz-000740-5o; Sun, 07 Jun 2015 16:43:07 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751294AbbFGOmy (ORCPT + 1 other); Sun, 7 Jun 2015 10:42:54 -0400 Received: from www.osadl.org ([62.245.132.105]:41344 "EHLO www.osadl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750746AbbFGOmx (ORCPT ); Sun, 7 Jun 2015 10:42:53 -0400 Received: from debian.hofr.at (92-243-35-153.adsl.nanet.at [92.243.35.153] (may be forged)) by www.osadl.org (8.13.8/8.13.8/OSADL-2007092901) with ESMTP id t57EgcCu021764; Sun, 7 Jun 2015 16:42:38 +0200 From: Nicholas Mc Guire To: Erik Andren Cc: Hans de Goede , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Nicholas Mc Guire Subject: [PATCH] [media] gscpa_m5602: use msecs_to_jiffies for conversions Date: Sun, 7 Jun 2015 16:34:40 +0200 Message-Id: <1433687680-1736-1-git-send-email-hofrat@osadl.org> X-Mailer: git-send-email 1.7.10.4 X-Spam-Status: No, score=-0.9 required=5.0 tests=BAYES_00, KHOP_SC_TOP_CIDR8, RDNS_DYNAMIC autolearn=no version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on www.osadl.org Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2015.6.7.143316 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_1300_1399 0, BODY_SIZE_2000_LESS 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, FROM_NAME_PHRASE 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __CP_URI_IN_BODY 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __MIME_TEXT_ONLY 0, __MULTIPLE_RCPTS_CC_X2 0, __SANE_MSGID 0, __TO_MALFORMED_2 0, __URI_NO_WWW 0, __URI_NS ' API compliance scanning with coccinelle flagged: ./drivers/media/usb/gspca/m5602/m5602_s5k83a.c:180:9-25: WARNING: timeout (100) seems HZ dependent Numeric constants passed to schedule_timeout() make the effective timeout HZ dependent which makes little sense in a polling loop for the cameras rotation state. Fixed up by converting the constant to jiffies with msecs_to_jiffies() Signed-off-by: Nicholas Mc Guire --- Patch was compile tested with i386_defconfig + Patch is against 4.1-rc6 (localversion-next is -next-20150605) drivers/media/usb/gspca/m5602/m5602_s5k83a.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/usb/gspca/m5602/m5602_s5k83a.c b/drivers/media/usb/gspca/m5602/m5602_s5k83a.c index 7cbc3a0..bf6b215 100644 --- a/drivers/media/usb/gspca/m5602/m5602_s5k83a.c +++ b/drivers/media/usb/gspca/m5602/m5602_s5k83a.c @@ -177,7 +177,7 @@ static int rotation_thread_function(void *data) __s32 vflip, hflip; set_current_state(TASK_INTERRUPTIBLE); - while (!schedule_timeout(100)) { + while (!schedule_timeout(msecs_to_jiffies(100))) { if (mutex_lock_interruptible(&sd->gspca_dev.usb_lock)) break;