From patchwork Thu Apr 25 17:28:48 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 239573 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id B1D5D2C00FF for ; Fri, 26 Apr 2013 03:30:31 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932843Ab3DYRaE (ORCPT ); Thu, 25 Apr 2013 13:30:04 -0400 Received: from moutng.kundenserver.de ([212.227.126.187]:62912 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932523Ab3DYR37 (ORCPT ); Thu, 25 Apr 2013 13:29:59 -0400 Received: from wuerfel.lan (HSI-KBW-095-208-002-043.hsi5.kabel-badenwuerttemberg.de [95.208.2.43]) by mrelayeu.kundenserver.de (node=mrbap4) with ESMTP (Nemesis) id 0MhU6E-1U9uoP1758-00MdKO; Thu, 25 Apr 2013 19:29:03 +0200 From: Arnd Bergmann To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Arnd Bergmann , Chas Williams , linux-atm-general@lists.sourceforge.net, netdev@vger.kernel.org Subject: [PATCH 05/21] atm: he: use mdelay instead of large udelay constants Date: Thu, 25 Apr 2013 19:28:48 +0200 Message-Id: <1366910944-3033663-6-git-send-email-arnd@arndb.de> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1366910944-3033663-1-git-send-email-arnd@arndb.de> References: <1366910944-3033663-1-git-send-email-arnd@arndb.de> X-Provags-ID: V02:K0:owGBgzWOFO8Gwr83p82TUcAghVvhlF9OaRp3Yanc1Gl eY+wYfB4oukUUxSdbaXRxsw4NBPMFACi+JI2Cgc5WUrtMAO21N nSf8he44HBX31w91lGgI3ubXO7kUX+TNjBEQQk+vAFQ3ij9QvG KxF+TCFKY05PRUTenbDY87R6eixL1IFZC+nqiiupME181946oA zcfcWz2FkwCu9I31GinHBuevft0zkq/F98umxjzkQUbmg0naK/ +ID/wCC2TDFHYKHWnXanyPx/6vBQriaQ+8tc4396/O45baun5f mLW/34RdKqy4m1qfAfpsaSn9rkYO/T5ktK13py7TU6mu+mgiyY NE2YmFb+YULeNvjK4o2nkkwLxzRU/e3MewWyN0KYx Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org ARM cannot handle udelay for more than 2 miliseconds, so we should use mdelay instead for those. Signed-off-by: Arnd Bergmann Cc: Chas Williams Cc: linux-atm-general@lists.sourceforge.net Cc: netdev@vger.kernel.org --- drivers/atm/he.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/atm/he.c b/drivers/atm/he.c index d689126..7700061 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 */ + mdelay(16); /* 16 ms */ status = he_readl(he_dev, RESET_CNTL); if ((status & BOARD_RST_STATUS) == 0) { hprintk("reset failed\n");