From patchwork Mon Apr 29 13:13:26 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 2500111 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by patchwork1.kernel.org (Postfix) with ESMTP id 3683C3FD1A for ; Mon, 29 Apr 2013 13:15:03 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UWnup-00012P-1M; Mon, 29 Apr 2013 13:14:47 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UWnuc-00014X-Lh; Mon, 29 Apr 2013 13:14:34 +0000 Received: from moutng.kundenserver.de ([212.227.126.187]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UWnua-00014G-6e for linux-arm-kernel@lists.infradead.org; Mon, 29 Apr 2013 13:14:33 +0000 Received: from klappe2.localnet (HSI-KBW-095-208-002-043.hsi5.kabel-badenwuerttemberg.de [95.208.2.43]) by mrelayeu.kundenserver.de (node=mrbap2) with ESMTP (Nemesis) id 0M6xID-1UjERL2h0v-00wRqO; Mon, 29 Apr 2013 15:13:30 +0200 From: Arnd Bergmann To: "chas williams - CONTRACTOR" Subject: [PATCH v2 05/21] atm: he: use msleep instead of large udelay constants Date: Mon, 29 Apr 2013 15:13:26 +0200 User-Agent: KMail/1.12.2 (Linux/3.8.0-18-generic; KDE/4.3.2; x86_64; ; ) References: <1366910944-3033663-1-git-send-email-arnd@arndb.de> <20130426091220.468cf59e@thirdoffive.cmf.nrl.navy.mil> In-Reply-To: <20130426091220.468cf59e@thirdoffive.cmf.nrl.navy.mil> MIME-Version: 1.0 Message-Id: <201304291513.27104.arnd@arndb.de> X-Provags-ID: V02:K0:86yt3r88vZac3lgwY77qM0GIdA8PUV7xRUsdSJNsKWc 7wfZi5oUese1t1hVKXJVaBg0jlLEIeEqlC9yM7UofQmI2b5Yte R0EeOvAE7SUEdavfJgXPVKfMO5tpgepRo508aGKANuuwDSirbM C3fZH5g+cf74H67ufsq2VKbS44ou+0x0UXgAzoWwuN9xxhnaAf +C+nIM+jeAZ1B2jARytfWN8hztUEqspjgQKIggINF56CKCWGM5 F5EJwzh+WQJc0o4q5AaCr1iMxi/pQ4tgvyReM/JGgv0++gWUig t4PBczE3S2zTKqDaWIcoWVkPs9I59dYy7+V4ZKvZvvDyBsdk6S BnJGyNgcCMZySE0jReoE= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130429_091432_481782_D2D39D00 X-CRM114-Status: UNSURE ( 6.99 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [212.227.126.187 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: linux-atm-general@lists.sourceforge.net, David Laight , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From a0ddf082821b064cc2d6a9bb90861f9b81a559a5 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Thu, 14 Mar 2013 15:21:36 +0100 Subject: [PATCH] atm: he: use mdelay instead of large udelay constants ARM cannot handle udelay for more than 2 miliseconds, and it is rather bad style to block the cpu for 16ms anyway, so let's use msleep instead. Signed-off-by: Arnd Bergmann Cc: Chas Williams Cc: linux-atm-general@lists.sourceforge.net Cc: netdev@vger.kernel.org diff --git a/drivers/atm/he.c b/drivers/atm/he.c index d689126..507362a 100644 --- a/drivers/atm/he.c +++ b/drivers/atm/he.c @@ -1055,7 +1055,7 @@ static int he_start(struct atm_dev *dev) he_writel(he_dev, 0x0, RESET_CNTL); he_writel(he_dev, 0xff, RESET_CNTL); - udelay(16*1000); /* 16 ms */ + msleep(16); /* 16 ms */ status = he_readl(he_dev, RESET_CNTL); if ((status & BOARD_RST_STATUS) == 0) { hprintk("reset failed\n");